rfc1213-mib(7) - Linux man page

        RFC1213-MIB DEFINITIONS ::= BEGIN

       IMPORTS
                mgmt, NetworkAddress, IpAddress, Counter, Gauge,
                        TimeTicks
                    FROM RFC1155-SMI
                OBJECT-TYPE
                        FROM RFC-1212;

       --  This MIB module uses the extended OBJECT-TYPE macro as
        --  defined in [14];

       --  MIB-II (same prefix as MIB-I)

mib-2      OBJECT IDENTIFIER ::= { mgmt 1 }

       -- textual conventions

       DisplayString ::=
            OCTET STRING
        -- This data type is used to model textual information taken
        -- from the NVT ASCII character set.  By convention, objects
        -- with this syntax are declared as having

       --
        --      SIZE (0..255)

       PhysAddress ::=
            OCTET STRING
        -- This data type is used to model media addresses.  For many
        -- types of media, this will be in a binary representation.
        -- For example, an ethernet address would be represented as
        -- a string of 6 octets.

       -- groups in MIB-II

       system       OBJECT IDENTIFIER ::= { mib-2 1 }

 interfaces   OBJECT IDENTIFIER ::= { mib-2 2 }

       at           OBJECT IDENTIFIER ::= { mib-2 3 }

       ip           OBJECT IDENTIFIER ::= { mib-2 4 }

       icmp         OBJECT IDENTIFIER ::= { mib-2 5 }

       tcp          OBJECT IDENTIFIER ::= { mib-2 6 }

       udp          OBJECT IDENTIFIER ::= { mib-2 7 }

       egp          OBJECT IDENTIFIER ::= { mib-2 8 }

       -- historical (some say hysterical)
        -- cmot      OBJECT IDENTIFIER ::= { mib-2 9 }

       transmission OBJECT IDENTIFIER ::= { mib-2 10 }

       snmp         OBJECT IDENTIFIER ::= { mib-2 11 }

       -- the System group

       -- Implementation of the System group is mandatory for all
        -- systems.  If an agent is not configured to have a value
        -- for any of these variables, a string of length 0 is
        -- returned.

       sysDescr OBJECT-TYPE
            SYNTAX  DisplayString (SIZE (0..255))
            ACCESS  read-only
            STATUS  mandatory

           DESCRIPTION
                    "A textual description of the entity.  This value
                    should include the full name and version
                    identification of the system's hardware type,
                    software operating-system, and networking
                    software.  It is mandatory that this only contain
                    printable ASCII characters."
            ::= { system 1 }

       sysObjectID OBJECT-TYPE
            SYNTAX  OBJECT IDENTIFIER
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The vendor's authoritative identification of the
                    network management subsystem contained in the
                    entity.  This value is allocated within the SMI
                    enterprises subtree (1.3.6.1.4.1) and provides an
                    easy and unambiguous means for determining 'what
                    kind of box' is being managed.  For example, if
                    vendor 'Flintstones, Inc.' was assigned the
                    subtree 1.3.6.1.4.1.4242, it could assign the
                    identifier 1.3.6.1.4.1.4242.1.1 to its 'Fred
                    Router'."
            ::= { system 2 }

       sysUpTime OBJECT-TYPE
            SYNTAX  TimeTicks
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The time (in hundredths of a second) since the
                    network management portion of the system was last
                    re-initialized."
            ::= { system 3 }

       sysContact OBJECT-TYPE
            SYNTAX  DisplayString (SIZE (0..255))
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The textual identification of the contact person
                    for this managed node, together with information
                    on how to contact this person."
            ::= { system 4 }

       sysName OBJECT-TYPE
            SYNTAX  DisplayString (SIZE (0..255))

           ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "An administratively-assigned name for this
                    managed node.  By convention, this is the node's
                    fully-qualified domain name."
            ::= { system 5 }

       sysLocation OBJECT-TYPE
            SYNTAX  DisplayString (SIZE (0..255))
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The physical location of this node (e.g.,
                    'telephone closet, 3rd floor')."
            ::= { system 6 }

       sysServices OBJECT-TYPE
            SYNTAX  INTEGER (0..127)
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "A value which indicates the set of services that
                    this entity primarily offers.

                   The value is a sum.  This sum initially takes the
                    value zero, Then, for each layer, L, in the range
                    1 through 7, that this node performs transactions
                    for, 2 raised to (L - 1) is added to the sum.  For
                    example, a node which performs primarily routing
                    functions would have a value of 4 (2^(3-1)).  In
                    contrast, a node which is a host offering
                    application services would have a value of 72
                    (2^(4-1) + 2^(7-1)).  Note that in the context of
                    the Internet suite of protocols, values should be
                    calculated accordingly:

                        layer  functionality
                             1  physical (e.g., repeaters)
                             2  datalink/subnetwork (e.g., bridges)
                             3  internet (e.g., IP gateways)
                             4  end-to-end  (e.g., IP hosts)
                             7  applications (e.g., mail relays)

                   For systems including OSI protocols, layers 5 and
                    6 may also be counted."
            ::= { system 7 }

       -- the Interfaces group

       -- Implementation of the Interfaces group is mandatory for
        -- all systems.

       ifNumber OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of network interfaces (regardless of
                    their current state) present on this system."
            ::= { interfaces 1 }

       -- the Interfaces table

       -- The Interfaces table contains information on the entity's
        -- interfaces.  Each interface is thought of as being
        -- attached to a 'subnetwork'.  Note that this term should
        -- not be confused with 'subnet' which refers to an
        -- addressing partitioning scheme used in the Internet suite
        -- of protocols.

       ifTable OBJECT-TYPE
            SYNTAX  SEQUENCE OF IfEntry
            ACCESS  not-accessible
            STATUS  mandatory
            DESCRIPTION
                    "A list of interface entries.  The number of
                    entries is given by the value of ifNumber."
            ::= { interfaces 2 }

       ifEntry OBJECT-TYPE
            SYNTAX  IfEntry
            ACCESS  not-accessible
            STATUS  mandatory
            DESCRIPTION
                    "An interface entry containing objects at the
                    subnetwork layer and below for a particular
                    interface."
            INDEX   { ifIndex }
            ::= { ifTable 1 }

       IfEntry ::=
            SEQUENCE {
                ifIndex
                    INTEGER,
                 ifDescr
                    DisplayString,
                ifType
                    INTEGER,
                ifMtu
                    INTEGER,
                ifSpeed
                    Gauge,
                ifPhysAddress
                    PhysAddress,
                ifAdminStatus
                    INTEGER,
                ifOperStatus
                    INTEGER,
                ifLastChange
                    TimeTicks,
                ifInOctets
                    Counter,
                ifInUcastPkts
                    Counter,
                ifInNUcastPkts
                    Counter,
                ifInDiscards
                    Counter,
                ifInErrors
                    Counter,
                ifInUnknownProtos
                    Counter,
                ifOutOctets
                    Counter,
                ifOutUcastPkts
                    Counter,
                ifOutNUcastPkts
                    Counter,
                ifOutDiscards
                    Counter,
                ifOutErrors
                    Counter,
                ifOutQLen
                    Gauge,
                ifSpecific
                    OBJECT IDENTIFIER
            }

       ifIndex OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-only
            STATUS  mandatory

           DESCRIPTION
                    "A unique value for each interface.  Its value
                    ranges between 1 and the value of ifNumber.  The
                    value for each interface must remain constant at
                    least from one re-initialization of the entity's
                    network management system to the next re-
                    initialization."
            ::= { ifEntry 1 }

       ifDescr OBJECT-TYPE
            SYNTAX  DisplayString (SIZE (0..255))
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "A textual string containing information about the
                    interface.  This string should include the name of
                    the manufacturer, the product name and the version
                    of the hardware interface."
            ::= { ifEntry 2 }

       ifType OBJECT-TYPE
            SYNTAX  INTEGER {
                        other(1),          -- none of the following
                        regular1822(2),
                        hdh1822(3),
                        ddn-x25(4),
                        rfc877-x25(5),
                        ethernet-csmacd(6),
                        iso88023-csmacd(7),
                        iso88024-tokenBus(8),
                        iso88025-tokenRing(9),
                        iso88026-man(10),
                        starLan(11),
                        proteon-10Mbit(12),
                        proteon-80Mbit(13),
                        hyperchannel(14),
                        fddi(15),
                        lapb(16),
                        sdlc(17),
                        ds1(18),           -- T-1
                        e1(19),            -- european equiv. of T-1
                        basicISDN(20),
                        primaryISDN(21),   -- proprietary serial
                        propPointToPointSerial(22),
                        ppp(23),
                        softwareLoopback(24),
                        eon(25),            -- CLNP over IP [11]
                        ethernet-3Mbit(26),

                       nsip(27),           -- XNS over IP
                        slip(28),           -- generic SLIP
                        ultra(29),          -- ULTRA technologies
                        ds3(30),            -- T-3
                        sip(31),            -- SMDS
                        frame-relay(32)
                    }
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The type of interface, distinguished according to
                    the physical/link protocol(s) immediately 'below'
                    the network layer in the protocol stack."
            ::= { ifEntry 3 }

       ifMtu OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The size of the largest datagram which can be
                    sent/received on the interface, specified in
                    octets.  For interfaces that are used for
                    transmitting network datagrams, this is the size
                    of the largest network datagram that can be sent
                    on the interface."
            ::= { ifEntry 4 }

       ifSpeed OBJECT-TYPE
            SYNTAX  Gauge
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "An estimate of the interface's current bandwidth
                    in bits per second.  For interfaces which do not
                    vary in bandwidth or for those where no accurate
                    estimation can be made, this object should contain
                    the nominal bandwidth."
            ::= { ifEntry 5 }

       ifPhysAddress OBJECT-TYPE
            SYNTAX  PhysAddress
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The interface's address at the protocol layer
                    immediately 'below' the network layer in the
                    protocol stack.  For interfaces which do not have

                   such an address (e.g., a serial line), this object
                    should contain an octet string of zero length."
            ::= { ifEntry 6 }

       ifAdminStatus OBJECT-TYPE
            SYNTAX  INTEGER {
                        up(1),       -- ready to pass packets
                        down(2),
                        testing(3)   -- in some test mode
                    }
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The desired state of the interface.  The
                    testing(3) state indicates that no operational
                    packets can be passed."
            ::= { ifEntry 7 }

       ifOperStatus OBJECT-TYPE
            SYNTAX  INTEGER {
                        up(1),       -- ready to pass packets
                        down(2),
                        testing(3)   -- in some test mode
                    }
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The current operational state of the interface.
                    The testing(3) state indicates that no operational
                    packets can be passed."
            ::= { ifEntry 8 }

       ifLastChange OBJECT-TYPE
            SYNTAX  TimeTicks
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The value of sysUpTime at the time the interface
                    entered its current operational state.  If the
                    current state was entered prior to the last re-
                    initialization of the local network management
                    subsystem, then this object contains a zero
                    value."
            ::= { ifEntry 9 }

       ifInOctets OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only

           STATUS  mandatory
            DESCRIPTION
                    "The total number of octets received on the
                    interface, including framing characters."
            ::= { ifEntry 10 }

       ifInUcastPkts OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of subnetwork-unicast packets
                    delivered to a higher-layer protocol."
            ::= { ifEntry 11 }

       ifInNUcastPkts OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of non-unicast (i.e., subnetwork-
                    broadcast or subnetwork-multicast) packets
                    delivered to a higher-layer protocol."
            ::= { ifEntry 12 }

       ifInDiscards OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of inbound packets which were chosen
                    to be discarded even though no errors had been
                    detected to prevent their being deliverable to a
                    higher-layer protocol.  One possible reason for
                    discarding such a packet could be to free up
                    buffer space."
            ::= { ifEntry 13 }

       ifInErrors OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of inbound packets that contained
                    errors preventing them from being deliverable to a
                    higher-layer protocol."
            ::= { ifEntry 14 }

       ifInUnknownProtos OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of packets received via the interface
                    which were discarded because of an unknown or
                    unsupported protocol."
            ::= { ifEntry 15 }

       ifOutOctets OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of octets transmitted out of the
                    interface, including framing characters."
            ::= { ifEntry 16 }

       ifOutUcastPkts OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of packets that higher-level
                    protocols requested be transmitted to a
                    subnetwork-unicast address, including those that
                    were discarded or not sent."
            ::= { ifEntry 17 }

       ifOutNUcastPkts OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of packets that higher-level
                    protocols requested be transmitted to a non-
                    unicast (i.e., a subnetwork-broadcast or
                    subnetwork-multicast) address, including those
                    that were discarded or not sent."
            ::= { ifEntry 18 }

       ifOutDiscards OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of outbound packets which were chosen

                   to be discarded even though no errors had been
                    detected to prevent their being transmitted.  One
                    possible reason for discarding such a packet could
                    be to free up buffer space."
            ::= { ifEntry 19 }

       ifOutErrors OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of outbound packets that could not be
                    transmitted because of errors."
            ::= { ifEntry 20 }

       ifOutQLen OBJECT-TYPE
            SYNTAX  Gauge
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The length of the output packet queue (in
                    packets)."
            ::= { ifEntry 21 }

       ifSpecific OBJECT-TYPE
            SYNTAX  OBJECT IDENTIFIER
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "A reference to MIB definitions specific to the
                    particular media being used to realize the
                    interface.  For example, if the interface is
                    realized by an ethernet, then the value of this
                    object refers to a document defining objects
                    specific to ethernet.  If this information is not
                    present, its value should be set to the OBJECT
                    IDENTIFIER { 0 0 }, which is a syntatically valid
                    object identifier, and any conformant
                    implementation of ASN.1 and BER must be able to
                    generate and recognize this value."
            ::= { ifEntry 22 }

       -- the Address Translation group

       -- Implementation of the Address Translation group is
        -- mandatory for all systems.  Note however that this group
        -- is deprecated by MIB-II. That is, it is being included

       -- solely for compatibility with MIB-I nodes, and will most
        -- likely be excluded from MIB-III nodes.  From MIB-II and
        -- onwards, each network protocol group contains its own
        -- address translation tables.

       -- The Address Translation group contains one table which is
        -- the union across all interfaces of the translation tables
        -- for converting a NetworkAddress (e.g., an IP address) into
        -- a subnetwork-specific address.  For lack of a better term,
        -- this document refers to such a subnetwork-specific address
        -- as a 'physical' address.

       -- Examples of such translation tables are: for broadcast
        -- media where ARP is in use, the translation table is
        -- equivalent to the ARP cache; or, on an X.25 network where
        -- non-algorithmic translation to X.121 addresses is
        -- required, the translation table contains the
        -- NetworkAddress to X.121 address equivalences.

       atTable OBJECT-TYPE
            SYNTAX  SEQUENCE OF AtEntry
            ACCESS  not-accessible
            STATUS  deprecated
            DESCRIPTION
                    "The Address Translation tables contain the
                    NetworkAddress to 'physical' address equivalences.
                    Some interfaces do not use translation tables for
                    determining address equivalences (e.g., DDN-X.25
                    has an algorithmic method); if all interfaces are
                    of this type, then the Address Translation table
                    is empty, i.e., has zero entries."
            ::= { at 1 }

       atEntry OBJECT-TYPE
            SYNTAX  AtEntry
            ACCESS  not-accessible
            STATUS  deprecated
            DESCRIPTION
                    "Each entry contains one NetworkAddress to
                    'physical' address equivalence."
            INDEX   { atIfIndex,
                      atNetAddress }
            ::= { atTable 1 }

       AtEntry ::=
            SEQUENCE {
                atIfIndex
                    INTEGER,

               atPhysAddress
                    PhysAddress,
                atNetAddress
                    NetworkAddress
            }

       atIfIndex OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-write
            STATUS  deprecated
            DESCRIPTION
                    "The interface on which this entry's equivalence
                    is effective.  The interface identified by a
                    particular value of this index is the same
                    interface as identified by the same value of
                    ifIndex."
            ::= { atEntry 1 }

       atPhysAddress OBJECT-TYPE
            SYNTAX  PhysAddress
            ACCESS  read-write
            STATUS  deprecated
            DESCRIPTION
                    "The media-dependent 'physical' address.

                   Setting this object to a null string (one of zero
                    length) has the effect of invaliding the
                    corresponding entry in the atTable object.  That
                    is, it effectively dissasociates the interface
                    identified with said entry from the mapping
                    identified with said entry.  It is an
                    implementation-specific matter as to whether the
                    agent removes an invalidated entry from the table.
                    Accordingly, management stations must be prepared
                    to receive tabular information from agents that
                    corresponds to entries not currently in use.
                    Proper interpretation of such entries requires
                    examination of the relevant atPhysAddress object."
            ::= { atEntry 2 }

       atNetAddress OBJECT-TYPE
            SYNTAX  NetworkAddress
            ACCESS  read-write
            STATUS  deprecated
            DESCRIPTION
                    "The NetworkAddress (e.g., the IP address)
                    corresponding to the media-dependent 'physical'
                    address."

           ::= { atEntry 3 }

       -- the IP group

       -- Implementation of the IP group is mandatory for all
        -- systems.

       ipForwarding OBJECT-TYPE
            SYNTAX  INTEGER {
                        forwarding(1),    -- acting as a gateway
                        not-forwarding(2) -- NOT acting as a gateway
                    }
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The indication of whether this entity is acting
                    as an IP gateway in respect to the forwarding of
                    datagrams received by, but not addressed to, this
                    entity.  IP gateways forward datagrams.  IP hosts
                    do not (except those source-routed via the host).

                   Note that for some managed nodes, this object may
                    take on only a subset of the values possible.
                    Accordingly, it is appropriate for an agent to
                    return a 'badValue' response if a management
                    station attempts to change this object to an
                    inappropriate value."
            ::= { ip 1 }

       ipDefaultTTL OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The default value inserted into the Time-To-Live
                    field of the IP header of datagrams originated at
                    this entity, whenever a TTL value is not supplied
                    by the transport layer protocol."
            ::= { ip 2 }

       ipInReceives OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of input datagrams received from
                    interfaces, including those received in error."

           ::= { ip 3 }

       ipInHdrErrors OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of input datagrams discarded due to
                    errors in their IP headers, including bad
                    checksums, version number mismatch, other format
                    errors, time-to-live exceeded, errors discovered
                    in processing their IP options, etc."
            ::= { ip 4 }

       ipInAddrErrors OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of input datagrams discarded because
                    the IP address in their IP header's destination
                    field was not a valid address to be received at
                    this entity.  This count includes invalid
                    addresses (e.g., 0.0.0.0) and addresses of
                    unsupported Classes (e.g., Class E).  For entities
                    which are not IP Gateways and therefore do not
                    forward datagrams, this counter includes datagrams
                    discarded because the destination address was not
                    a local address."
            ::= { ip 5 }

       ipForwDatagrams OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of input datagrams for which this
                    entity was not their final IP destination, as a
                    result of which an attempt was made to find a
                    route to forward them to that final destination.
                    In entities which do not act as IP Gateways, this
                    counter will include only those packets which were
                    Source-Routed via this entity, and the Source-
                    Route option processing was successful."
            ::= { ip 6 }

       ipInUnknownProtos OBJECT-TYPE
            SYNTAX  Counter

           ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of locally-addressed datagrams
                    received successfully but discarded because of an
                    unknown or unsupported protocol."
            ::= { ip 7 }

       ipInDiscards OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of input IP datagrams for which no
                    problems were encountered to prevent their
                    continued processing, but which were discarded
                    (e.g., for lack of buffer space).  Note that this
                    counter does not include any datagrams discarded
                    while awaiting re-assembly."
            ::= { ip 8 }

       ipInDelivers OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of input datagrams successfully
                    delivered to IP user-protocols (including ICMP)."
            ::= { ip 9 }

       ipOutRequests OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of IP datagrams which local IP
                    user-protocols (including ICMP) supplied to IP in
                    requests for transmission.  Note that this counter
                    does not include any datagrams counted in
                    ipForwDatagrams."
            ::= { ip 10 }

       ipOutDiscards OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of output IP datagrams for which no

                   problem was encountered to prevent their
                    transmission to their destination, but which were
                    discarded (e.g., for lack of buffer space).  Note
                    that this counter would include datagrams counted
                    in ipForwDatagrams if any such packets met this
                    (discretionary) discard criterion."
            ::= { ip 11 }

       ipOutNoRoutes OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of IP datagrams discarded because no
                    route could be found to transmit them to their
                    destination.  Note that this counter includes any
                    packets counted in ipForwDatagrams which meet this
                    'no-route' criterion.  Note that this includes any
                    datagarms which a host cannot route because all of
                    its default gateways are down."
            ::= { ip 12 }

       ipReasmTimeout OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The maximum number of seconds which received
                    fragments are held while they are awaiting
                    reassembly at this entity."
            ::= { ip 13 }

       ipReasmReqds OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of IP fragments received which needed
                    to be reassembled at this entity."
            ::= { ip 14 }

       ipReasmOKs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of IP datagrams successfully re-
                    assembled."

           ::= { ip 15 }

       ipReasmFails OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of failures detected by the IP re-
                    assembly algorithm (for whatever reason: timed
                    out, errors, etc).  Note that this is not
                    necessarily a count of discarded IP fragments
                    since some algorithms (notably the algorithm in
                    RFC 815) can lose track of the number of fragments
                    by combining them as they are received."
            ::= { ip 16 }

       ipFragOKs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of IP datagrams that have been
                    successfully fragmented at this entity."
            ::= { ip 17 }

       ipFragFails OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of IP datagrams that have been
                    discarded because they needed to be fragmented at
                    this entity but could not be, e.g., because their
                    Don't Fragment flag was set."
            ::= { ip 18 }

       ipFragCreates OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of IP datagram fragments that have
                    been generated as a result of fragmentation at
                    this entity."
            ::= { ip 19 }

       -- the IP address table

       -- The IP address table contains this entity's IP addressing
        -- information.

       ipAddrTable OBJECT-TYPE
            SYNTAX  SEQUENCE OF IpAddrEntry
            ACCESS  not-accessible
            STATUS  mandatory
            DESCRIPTION
                    "The table of addressing information relevant to
                    this entity's IP addresses."
            ::= { ip 20 }

       ipAddrEntry OBJECT-TYPE
            SYNTAX  IpAddrEntry
            ACCESS  not-accessible
            STATUS  mandatory
            DESCRIPTION
                    "The addressing information for one of this
                    entity's IP addresses."
            INDEX   { ipAdEntAddr }
            ::= { ipAddrTable 1 }

       IpAddrEntry ::=
            SEQUENCE {
                ipAdEntAddr
                    IpAddress,
                ipAdEntIfIndex
                    INTEGER,
                ipAdEntNetMask
                    IpAddress,
                ipAdEntBcastAddr
                    INTEGER,
                ipAdEntReasmMaxSize
                    INTEGER (0..65535)
            }

       ipAdEntAddr OBJECT-TYPE
            SYNTAX  IpAddress
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The IP address to which this entry's addressing
                    information pertains."
            ::= { ipAddrEntry 1 }

       ipAdEntIfIndex OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The index value which uniquely identifies the
                    interface to which this entry is applicable.  The
                    interface identified by a particular value of this
                    index is the same interface as identified by the
                    same value of ifIndex."
            ::= { ipAddrEntry 2 }

       ipAdEntNetMask OBJECT-TYPE
            SYNTAX  IpAddress
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The subnet mask associated with the IP address of
                    this entry.  The value of the mask is an IP
                    address with all the network bits set to 1 and all
                    the hosts bits set to 0."
            ::= { ipAddrEntry 3 }

       ipAdEntBcastAddr OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The value of the least-significant bit in the IP
                    broadcast address used for sending datagrams on
                    the (logical) interface associated with the IP
                    address of this entry.  For example, when the
                    Internet standard all-ones broadcast address is
                    used, the value will be 1.  This value applies to
                    both the subnet and network broadcasts addresses
                    used by the entity on this (logical) interface."
            ::= { ipAddrEntry 4 }

       ipAdEntReasmMaxSize OBJECT-TYPE
            SYNTAX  INTEGER (0..65535)
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The size of the largest IP datagram which this
                    entity can re-assemble from incoming IP fragmented
                    datagrams received on this interface."
            ::= { ipAddrEntry 5 }

       -- the IP routing table

       -- The IP routing table contains an entry for each route
        -- presently known to this entity.

       ipRouteTable OBJECT-TYPE
            SYNTAX  SEQUENCE OF IpRouteEntry
            ACCESS  not-accessible
            STATUS  mandatory
            DESCRIPTION
                    "This entity's IP Routing table."
            ::= { ip 21 }

       ipRouteEntry OBJECT-TYPE
            SYNTAX  IpRouteEntry
            ACCESS  not-accessible
            STATUS  mandatory
            DESCRIPTION
                    "A route to a particular destination."
            INDEX   { ipRouteDest }
            ::= { ipRouteTable 1 }

       IpRouteEntry ::=
            SEQUENCE {
                ipRouteDest
                    IpAddress,
                ipRouteIfIndex
                    INTEGER,
                ipRouteMetric1
                    INTEGER,
                ipRouteMetric2
                    INTEGER,
                ipRouteMetric3
                    INTEGER,
                ipRouteMetric4
                    INTEGER,
                ipRouteNextHop
                    IpAddress,
                ipRouteType
                    INTEGER,
                ipRouteProto
                    INTEGER,
                ipRouteAge
                    INTEGER,
                ipRouteMask
                    IpAddress,
                ipRouteMetric5
                    INTEGER,

               ipRouteInfo
                    OBJECT IDENTIFIER
            }

       ipRouteDest OBJECT-TYPE
            SYNTAX  IpAddress
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The destination IP address of this route.  An
                    entry with a value of 0.0.0.0 is considered a
                    default route.  Multiple routes to a single
                    destination can appear in the table, but access to
                    such multiple entries is dependent on the table-
                    access mechanisms defined by the network
                    management protocol in use."
            ::= { ipRouteEntry 1 }

       ipRouteIfIndex OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The index value which uniquely identifies the
                    local interface through which the next hop of this
                    route should be reached.  The interface identified
                    by a particular value of this index is the same
                    interface as identified by the same value of
                    ifIndex."
            ::= { ipRouteEntry 2 }

       ipRouteMetric1 OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The primary routing metric for this route.  The
                    semantics of this metric are determined by the
                    routing-protocol specified in the route's
                    ipRouteProto value.  If this metric is not used,
                    its value should be set to -1."
            ::= { ipRouteEntry 3 }

       ipRouteMetric2 OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION

                   "An alternate routing metric for this route.  The
                    semantics of this metric are determined by the
                    routing-protocol specified in the route's
                    ipRouteProto value.  If this metric is not used,
                    its value should be set to -1."
            ::= { ipRouteEntry 4 }

       ipRouteMetric3 OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "An alternate routing metric for this route.  The
                    semantics of this metric are determined by the
                    routing-protocol specified in the route's
                    ipRouteProto value.  If this metric is not used,
                    its value should be set to -1."
            ::= { ipRouteEntry 5 }

       ipRouteMetric4 OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "An alternate routing metric for this route.  The
                    semantics of this metric are determined by the
                    routing-protocol specified in the route's
                    ipRouteProto value.  If this metric is not used,
                    its value should be set to -1."
            ::= { ipRouteEntry 6 }

       ipRouteNextHop OBJECT-TYPE
            SYNTAX  IpAddress
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The IP address of the next hop of this route.
                    (In the case of a route bound to an interface
                    which is realized via a broadcast media, the value
                    of this field is the agent's IP address on that
                    interface.)"
            ::= { ipRouteEntry 7 }

       ipRouteType OBJECT-TYPE
            SYNTAX  INTEGER {
                        other(1),        -- none of the following

                       invalid(2),      -- an invalidated route

                                        -- route to directly
                        direct(3),       -- connected (sub-)network

                                        -- route to a non-local
                        indirect(4)      -- host/network/sub-network
                    }
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The type of route.  Note that the values
                    direct(3) and indirect(4) refer to the notion of
                    direct and indirect routing in the IP
                    architecture.

                   Setting this object to the value invalid(2) has
                    the effect of invalidating the corresponding entry
                    in the ipRouteTable object.  That is, it
                    effectively dissasociates the destination
                    identified with said entry from the route
                    identified with said entry.  It is an
                    implementation-specific matter as to whether the
                    agent removes an invalidated entry from the table.
                    Accordingly, management stations must be prepared
                    to receive tabular information from agents that
                    corresponds to entries not currently in use.
                    Proper interpretation of such entries requires
                    examination of the relevant ipRouteType object."
            ::= { ipRouteEntry 8 }

       ipRouteProto OBJECT-TYPE
            SYNTAX  INTEGER {
                        other(1),       -- none of the following

                                       -- non-protocol information,
                                        -- e.g., manually configured
                        local(2),       -- entries

                                       -- set via a network
                        netmgmt(3),     -- management protocol

                                       -- obtained via ICMP,
                        icmp(4),        -- e.g., Redirect

                                       -- the remaining values are
                                        -- all gateway routing
                                        -- protocols
                        egp(5),
                        ggp(6),

                       hello(7),
                        rip(8),
                        is-is(9),
                        es-is(10),
                        ciscoIgrp(11),
                        bbnSpfIgp(12),
                        ospf(13),
                        bgp(14)
                    }
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The routing mechanism via which this route was
                    learned.  Inclusion of values for gateway routing
                    protocols is not intended to imply that hosts
                    should support those protocols."
            ::= { ipRouteEntry 9 }

       ipRouteAge OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The number of seconds since this route was last
                    updated or otherwise determined to be correct.
                    Note that no semantics of 'too old' can be implied
                    except through knowledge of the routing protocol
                    by which the route was learned."
            ::= { ipRouteEntry 10 }

       ipRouteMask OBJECT-TYPE
            SYNTAX  IpAddress
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "Indicate the mask to be logical-ANDed with the
                    destination address before being compared to the
                    value in the ipRouteDest field.  For those systems
                    that do not support arbitrary subnet masks, an
                    agent constructs the value of the ipRouteMask by
                    determining whether the value of the correspondent
                    ipRouteDest field belong to a class-A, B, or C
                    network, and then using one of:

                        mask           network
                         255.0.0.0      class-A
                         255.255.0.0    class-B
                         255.255.255.0  class-C

                   If the value of the ipRouteDest is 0.0.0.0 (a
                    default route), then the mask value is also
                    0.0.0.0.  It should be noted that all IP routing
                    subsystems implicitly use this mechanism."
            ::= { ipRouteEntry 11 }

       ipRouteMetric5 OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "An alternate routing metric for this route.  The
                    semantics of this metric are determined by the
                    routing-protocol specified in the route's
                    ipRouteProto value.  If this metric is not used,
                    its value should be set to -1."
            ::= { ipRouteEntry 12 }

       ipRouteInfo OBJECT-TYPE
            SYNTAX  OBJECT IDENTIFIER
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "A reference to MIB definitions specific to the
                    particular routing protocol which is responsible
                    for this route, as determined by the value
                    specified in the route's ipRouteProto value.  If
                    this information is not present, its value should
                    be set to the OBJECT IDENTIFIER { 0 0 }, which is
                    a syntatically valid object identifier, and any
                    conformant implementation of ASN.1 and BER must be
                    able to generate and recognize this value."
            ::= { ipRouteEntry 13 }

       -- the IP Address Translation table

       -- The IP address translation table contain the IpAddress to
        -- 'physical' address equivalences.  Some interfaces do not
        -- use translation tables for determining address
        -- equivalences (e.g., DDN-X.25 has an algorithmic method);
        -- if all interfaces are of this type, then the Address
        -- Translation table is empty, i.e., has zero entries.

       ipNetToMediaTable OBJECT-TYPE
            SYNTAX  SEQUENCE OF IpNetToMediaEntry
            ACCESS  not-accessible
            STATUS  mandatory

           DESCRIPTION
                    "The IP Address Translation table used for mapping
                    from IP addresses to physical addresses."
            ::= { ip 22 }

       ipNetToMediaEntry OBJECT-TYPE
            SYNTAX  IpNetToMediaEntry
            ACCESS  not-accessible
            STATUS  mandatory
            DESCRIPTION
                    "Each entry contains one IpAddress to 'physical'
                    address equivalence."
            INDEX   { ipNetToMediaIfIndex,
                      ipNetToMediaNetAddress }
            ::= { ipNetToMediaTable 1 }

       IpNetToMediaEntry ::=
            SEQUENCE {
                ipNetToMediaIfIndex
                    INTEGER,
                ipNetToMediaPhysAddress
                    PhysAddress,
                ipNetToMediaNetAddress
                    IpAddress,
                ipNetToMediaType
                    INTEGER
            }

       ipNetToMediaIfIndex OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The interface on which this entry's equivalence
                    is effective.  The interface identified by a
                    particular value of this index is the same
                    interface as identified by the same value of
                    ifIndex."
            ::= { ipNetToMediaEntry 1 }

       ipNetToMediaPhysAddress OBJECT-TYPE
            SYNTAX  PhysAddress
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The media-dependent 'physical' address."
            ::= { ipNetToMediaEntry 2 }

       ipNetToMediaNetAddress OBJECT-TYPE
            SYNTAX  IpAddress
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The IpAddress corresponding to the media-
                    dependent 'physical' address."
            ::= { ipNetToMediaEntry 3 }

       ipNetToMediaType OBJECT-TYPE
            SYNTAX  INTEGER {
                        other(1),        -- none of the following
                        invalid(2),      -- an invalidated mapping
                        dynamic(3),
                        static(4)
                    }
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The type of mapping.

                   Setting this object to the value invalid(2) has
                    the effect of invalidating the corresponding entry
                    in the ipNetToMediaTable.  That is, it effectively
                    dissasociates the interface identified with said
                    entry from the mapping identified with said entry.
                    It is an implementation-specific matter as to
                    whether the agent removes an invalidated entry
                    from the table.  Accordingly, management stations
                    must be prepared to receive tabular information
                    from agents that corresponds to entries not
                    currently in use.  Proper interpretation of such
                    entries requires examination of the relevant
                    ipNetToMediaType object."
            ::= { ipNetToMediaEntry 4 }

       -- additional IP objects

       ipRoutingDiscards OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of routing entries which were chosen
                    to be discarded even though they are valid.  One
                    possible reason for discarding such an entry could
                    be to free-up buffer space for other routing

                   entries."
            ::= { ip 23 }

       -- the ICMP group

       -- Implementation of the ICMP group is mandatory for all
        -- systems.

       icmpInMsgs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of ICMP messages which the
                    entity received.  Note that this counter includes
                    all those counted by icmpInErrors."
            ::= { icmp 1 }

       icmpInErrors OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP messages which the entity
                    received but determined as having ICMP-specific
                    errors (bad ICMP checksums, bad length, etc.)."
            ::= { icmp 2 }

       icmpInDestUnreachs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Destination Unreachable
                    messages received."
            ::= { icmp 3 }

       icmpInTimeExcds OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Time Exceeded messages
                    received."
            ::= { icmp 4 }

       icmpInParmProbs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Parameter Problem messages
                    received."
            ::= { icmp 5 }

       icmpInSrcQuenchs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Source Quench messages
                    received."
            ::= { icmp 6 }

       icmpInRedirects OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Redirect messages received."
            ::= { icmp 7 }

       icmpInEchos OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Echo (request) messages
                    received."
            ::= { icmp 8 }

       icmpInEchoReps OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Echo Reply messages received."
            ::= { icmp 9 }

       icmpInTimestamps OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION

                   "The number of ICMP Timestamp (request) messages
                    received."
            ::= { icmp 10 }

       icmpInTimestampReps OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Timestamp Reply messages
                    received."
            ::= { icmp 11 }

       icmpInAddrMasks OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Address Mask Request messages
                    received."
            ::= { icmp 12 }

       icmpInAddrMaskReps OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Address Mask Reply messages
                    received."
            ::= { icmp 13 }

       icmpOutMsgs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of ICMP messages which this
                    entity attempted to send.  Note that this counter
                    includes all those counted by icmpOutErrors."
            ::= { icmp 14 }

       icmpOutErrors OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP messages which this entity did
                    not send due to problems discovered within ICMP

                   such as a lack of buffers.  This value should not
                    include errors discovered outside the ICMP layer
                    such as the inability of IP to route the resultant
                    datagram.  In some implementations there may be no
                    types of error which contribute to this counter's
                    value."
            ::= { icmp 15 }

       icmpOutDestUnreachs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Destination Unreachable
                    messages sent."
            ::= { icmp 16 }

       icmpOutTimeExcds OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Time Exceeded messages sent."
            ::= { icmp 17 }

       icmpOutParmProbs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Parameter Problem messages
                    sent."
            ::= { icmp 18 }

       icmpOutSrcQuenchs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Source Quench messages sent."
            ::= { icmp 19 }

       icmpOutRedirects OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Redirect messages sent.  For a

                   host, this object will always be zero, since hosts
                    do not send redirects."
            ::= { icmp 20 }

       icmpOutEchos OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Echo (request) messages sent."
            ::= { icmp 21 }

       icmpOutEchoReps OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Echo Reply messages sent."
            ::= { icmp 22 }

       icmpOutTimestamps OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Timestamp (request) messages
                    sent."
            ::= { icmp 23 }

       icmpOutTimestampReps OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Timestamp Reply messages
                    sent."
            ::= { icmp 24 }

       icmpOutAddrMasks OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Address Mask Request messages
                    sent."
            ::= { icmp 25 }

       icmpOutAddrMaskReps OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of ICMP Address Mask Reply messages
                    sent."
            ::= { icmp 26 }

       -- the TCP group

       -- Implementation of the TCP group is mandatory for all
        -- systems that implement the TCP.

       -- Note that instances of object types that represent
        -- information about a particular TCP connection are
        -- transient; they persist only as long as the connection
        -- in question.

       tcpRtoAlgorithm OBJECT-TYPE
            SYNTAX  INTEGER {
                        other(1),    -- none of the following

                       constant(2), -- a constant rto
                        rsre(3),     -- MIL-STD-1778, Appendix B
                        vanj(4)      -- Van Jacobson's algorithm [10]
                    }
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The algorithm used to determine the timeout value
                    used for retransmitting unacknowledged octets."
            ::= { tcp 1 }

       tcpRtoMin OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The minimum value permitted by a TCP
                    implementation for the retransmission timeout,
                    measured in milliseconds.  More refined semantics
                    for objects of this type depend upon the algorithm
                    used to determine the retransmission timeout.  In
                    particular, when the timeout algorithm is rsre(3),
                    an object of this type has the semantics of the
                    LBOUND quantity described in RFC 793."

           ::= { tcp 2 }

       tcpRtoMax OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The maximum value permitted by a TCP
                    implementation for the retransmission timeout,
                    measured in milliseconds.  More refined semantics
                    for objects of this type depend upon the algorithm
                    used to determine the retransmission timeout.  In
                    particular, when the timeout algorithm is rsre(3),
                    an object of this type has the semantics of the
                    UBOUND quantity described in RFC 793."
            ::= { tcp 3 }

       tcpMaxConn OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The limit on the total number of TCP connections
                    the entity can support.  In entities where the
                    maximum number of connections is dynamic, this
                    object should contain the value -1."
            ::= { tcp 4 }

       tcpActiveOpens OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of times TCP connections have made a
                    direct transition to the SYN-SENT state from the
                    CLOSED state."
            ::= { tcp 5 }

       tcpPassiveOpens OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of times TCP connections have made a
                    direct transition to the SYN-RCVD state from the
                    LISTEN state."
            ::= { tcp 6 }

       tcpAttemptFails OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of times TCP connections have made a
                    direct transition to the CLOSED state from either
                    the SYN-SENT state or the SYN-RCVD state, plus the
                    number of times TCP connections have made a direct
                    transition to the LISTEN state from the SYN-RCVD
                    state."
            ::= { tcp 7 }

       tcpEstabResets OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of times TCP connections have made a
                    direct transition to the CLOSED state from either
                    the ESTABLISHED state or the CLOSE-WAIT state."
            ::= { tcp 8 }

       tcpCurrEstab OBJECT-TYPE
            SYNTAX  Gauge
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of TCP connections for which the
                    current state is either ESTABLISHED or CLOSE-
                    WAIT."
            ::= { tcp 9 }

       tcpInSegs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of segments received, including
                    those received in error.  This count includes
                    segments received on currently established
                    connections."
            ::= { tcp 10 }

       tcpOutSegs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory

           DESCRIPTION
                    "The total number of segments sent, including
                    those on current connections but excluding those
                    containing only retransmitted octets."
            ::= { tcp 11 }

       tcpRetransSegs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of segments retransmitted - that
                    is, the number of TCP segments transmitted
                    containing one or more previously transmitted
                    octets."
            ::= { tcp 12 }

       -- the TCP Connection table

       -- The TCP connection table contains information about this
        -- entity's existing TCP connections.

       tcpConnTable OBJECT-TYPE
            SYNTAX  SEQUENCE OF TcpConnEntry
            ACCESS  not-accessible
            STATUS  mandatory
            DESCRIPTION
                    "A table containing TCP connection-specific
                    information."
            ::= { tcp 13 }

       tcpConnEntry OBJECT-TYPE
            SYNTAX  TcpConnEntry
            ACCESS  not-accessible
            STATUS  mandatory
            DESCRIPTION
                    "Information about a particular current TCP
                    connection.  An object of this type is transient,
                    in that it ceases to exist when (or soon after)
                    the connection makes the transition to the CLOSED
                    state."
            INDEX   { tcpConnLocalAddress,
                      tcpConnLocalPort,
                      tcpConnRemAddress,
                      tcpConnRemPort }
            ::= { tcpConnTable 1 }

       TcpConnEntry ::=
            SEQUENCE {
                tcpConnState
                    INTEGER,
                tcpConnLocalAddress
                    IpAddress,
                tcpConnLocalPort
                    INTEGER (0..65535),
                tcpConnRemAddress
                    IpAddress,
                tcpConnRemPort
                    INTEGER (0..65535)
            }

       tcpConnState OBJECT-TYPE
            SYNTAX  INTEGER {
                        closed(1),
                        listen(2),
                        synSent(3),
                        synReceived(4),
                        established(5),
                        finWait1(6),
                        finWait2(7),
                        closeWait(8),
                        lastAck(9),
                        closing(10),
                        timeWait(11),
                        deleteTCB(12)
                    }
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "The state of this TCP connection.

                   The only value which may be set by a management
                    station is deleteTCB(12).  Accordingly, it is
                    appropriate for an agent to return a 'badValue'
                    response if a management station attempts to set
                    this object to any other value.

                   If a management station sets this object to the
                    value deleteTCB(12), then this has the effect of
                    deleting the TCB (as defined in RFC 793) of the
                    corresponding connection on the managed node,
                    resulting in immediate termination of the
                    connection.

                   As an implementation-specific option, a RST

                   segment may be sent from the managed node to the
                    other TCP endpoint (note however that RST segments
                    are not sent reliably)."
            ::= { tcpConnEntry 1 }

       tcpConnLocalAddress OBJECT-TYPE
            SYNTAX  IpAddress
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The local IP address for this TCP connection.  In
                    the case of a connection in the listen state which
                    is willing to accept connections for any IP
                    interface associated with the node, the value
                    0.0.0.0 is used."
            ::= { tcpConnEntry 2 }

       tcpConnLocalPort OBJECT-TYPE
            SYNTAX  INTEGER (0..65535)
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The local port number for this TCP connection."
            ::= { tcpConnEntry 3 }

       tcpConnRemAddress OBJECT-TYPE
            SYNTAX  IpAddress
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The remote IP address for this TCP connection."
            ::= { tcpConnEntry 4 }

       tcpConnRemPort OBJECT-TYPE
            SYNTAX  INTEGER (0..65535)
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The remote port number for this TCP connection."
            ::= { tcpConnEntry 5 }

       -- additional TCP objects

       tcpInErrs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory

           DESCRIPTION
                    "The total number of segments received in error
                    (e.g., bad TCP checksums)."
            ::= { tcp 14 }

       tcpOutRsts OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of TCP segments sent containing the
                    RST flag."
            ::= { tcp 15 }

       -- the UDP group

       -- Implementation of the UDP group is mandatory for all
        -- systems which implement the UDP.

       udpInDatagrams OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of UDP datagrams delivered to
                    UDP users."
            ::= { udp 1 }

       udpNoPorts OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of received UDP datagrams for
                    which there was no application at the destination
                    port."
            ::= { udp 2 }

       udpInErrors OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of received UDP datagrams that could
                    not be delivered for reasons other than the lack
                    of an application at the destination port."
            ::= { udp 3 }

       udpOutDatagrams OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of UDP datagrams sent from this
                    entity."
            ::= { udp 4 }

       -- the UDP Listener table

       -- The UDP listener table contains information about this
        -- entity's UDP end-points on which a local application is
        -- currently accepting datagrams.

       udpTable OBJECT-TYPE
            SYNTAX  SEQUENCE OF UdpEntry
            ACCESS  not-accessible
            STATUS  mandatory
            DESCRIPTION
                    "A table containing UDP listener information."
            ::= { udp 5 }

       udpEntry OBJECT-TYPE
            SYNTAX  UdpEntry
            ACCESS  not-accessible
            STATUS  mandatory
            DESCRIPTION
                    "Information about a particular current UDP
                    listener."
            INDEX   { udpLocalAddress, udpLocalPort }
            ::= { udpTable 1 }

       UdpEntry ::=
            SEQUENCE {
                udpLocalAddress
                    IpAddress,
                udpLocalPort
                    INTEGER (0..65535)
            }

       udpLocalAddress OBJECT-TYPE
            SYNTAX  IpAddress
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The local IP address for this UDP listener.  In

                   the case of a UDP listener which is willing to
                    accept datagrams for any IP interface associated
                    with the node, the value 0.0.0.0 is used."
            ::= { udpEntry 1 }

       udpLocalPort OBJECT-TYPE
            SYNTAX  INTEGER (0..65535)
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The local port number for this UDP listener."
            ::= { udpEntry 2 }

       -- the EGP group

       -- Implementation of the EGP group is mandatory for all
        -- systems which implement the EGP.

       egpInMsgs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of EGP messages received without
                    error."
            ::= { egp 1 }

       egpInErrors OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of EGP messages received that proved
                    to be in error."
            ::= { egp 2 }

       egpOutMsgs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of locally generated EGP
                    messages."
            ::= { egp 3 }

       egpOutErrors OBJECT-TYPE
            SYNTAX  Counter

           ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of locally generated EGP messages not
                    sent due to resource limitations within an EGP
                    entity."
            ::= { egp 4 }

       -- the EGP Neighbor table

       -- The EGP neighbor table contains information about this
        -- entity's EGP neighbors.

       egpNeighTable OBJECT-TYPE
            SYNTAX  SEQUENCE OF EgpNeighEntry
            ACCESS  not-accessible
            STATUS  mandatory
            DESCRIPTION
                    "The EGP neighbor table."
            ::= { egp 5 }

       egpNeighEntry OBJECT-TYPE
            SYNTAX  EgpNeighEntry
            ACCESS  not-accessible
            STATUS  mandatory
            DESCRIPTION
                    "Information about this entity's relationship with
                    a particular EGP neighbor."
            INDEX   { egpNeighAddr }
            ::= { egpNeighTable 1 }

       EgpNeighEntry ::=
            SEQUENCE {
                egpNeighState
                    INTEGER,
                egpNeighAddr
                    IpAddress,
                egpNeighAs
                    INTEGER,
                egpNeighInMsgs
                    Counter,
                egpNeighInErrs
                    Counter,
                egpNeighOutMsgs
                    Counter,
                egpNeighOutErrs
                    Counter,

               egpNeighInErrMsgs
                    Counter,
                egpNeighOutErrMsgs
                    Counter,
                egpNeighStateUps
                    Counter,
                egpNeighStateDowns
                    Counter,
                egpNeighIntervalHello
                    INTEGER,
                egpNeighIntervalPoll
                    INTEGER,
                egpNeighMode
                    INTEGER,
                egpNeighEventTrigger
                    INTEGER
            }

       egpNeighState OBJECT-TYPE
            SYNTAX  INTEGER {
                        idle(1),
                        acquisition(2),
                        down(3),
                        up(4),
                        cease(5)
                    }
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The EGP state of the local system with respect to
                    this entry's EGP neighbor.  Each EGP state is
                    represented by a value that is one greater than
                    the numerical value associated with said state in
                    RFC 904."
            ::= { egpNeighEntry 1 }

       egpNeighAddr OBJECT-TYPE
            SYNTAX  IpAddress
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The IP address of this entry's EGP neighbor."
            ::= { egpNeighEntry 2 }

       egpNeighAs OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-only
            STATUS  mandatory

           DESCRIPTION
                    "The autonomous system of this EGP peer.  Zero
                    should be specified if the autonomous system
                    number of the neighbor is not yet known."
            ::= { egpNeighEntry 3 }

       egpNeighInMsgs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of EGP messages received without error
                    from this EGP peer."
            ::= { egpNeighEntry 4 }

       egpNeighInErrs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of EGP messages received from this EGP
                    peer that proved to be in error (e.g., bad EGP
                    checksum)."
            ::= { egpNeighEntry 5 }

       egpNeighOutMsgs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of locally generated EGP messages to
                    this EGP peer."
            ::= { egpNeighEntry 6 }

       egpNeighOutErrs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of locally generated EGP messages not
                    sent to this EGP peer due to resource limitations
                    within an EGP entity."
            ::= { egpNeighEntry 7 }

       egpNeighInErrMsgs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory

           DESCRIPTION
                    "The number of EGP-defined error messages received
                    from this EGP peer."
            ::= { egpNeighEntry 8 }

       egpNeighOutErrMsgs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of EGP-defined error messages sent to
                    this EGP peer."
            ::= { egpNeighEntry 9 }

       egpNeighStateUps OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of EGP state transitions to the UP
                    state with this EGP peer."
            ::= { egpNeighEntry 10 }

       egpNeighStateDowns OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The number of EGP state transitions from the UP
                    state to any other state with this EGP peer."
            ::= { egpNeighEntry 11 }

       egpNeighIntervalHello OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The interval between EGP Hello command
                    retransmissions (in hundredths of a second).  This
                    represents the t1 timer as defined in RFC 904."
            ::= { egpNeighEntry 12 }

       egpNeighIntervalPoll OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The interval between EGP poll command

                   retransmissions (in hundredths of a second).  This
                    represents the t3 timer as defined in RFC 904."
            ::= { egpNeighEntry 13 }

       egpNeighMode OBJECT-TYPE
            SYNTAX  INTEGER { active(1), passive(2) }
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The polling mode of this EGP entity, either
                    passive or active."
            ::= { egpNeighEntry 14 }

       egpNeighEventTrigger OBJECT-TYPE
            SYNTAX  INTEGER { start(1), stop(2) }
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "A control variable used to trigger operator-
                    initiated Start and Stop events.  When read, this
                    variable always returns the most recent value that
                    egpNeighEventTrigger was set to.  If it has not
                    been set since the last initialization of the
                    network management subsystem on the node, it
                    returns a value of 'stop'.

                   When set, this variable causes a Start or Stop
                    event on the specified neighbor, as specified on
                    pages 8-10 of RFC 904.  Briefly, a Start event
                    causes an Idle peer to begin neighbor acquisition
                    and a non-Idle peer to reinitiate neighbor
                    acquisition.  A stop event causes a non-Idle peer
                    to return to the Idle state until a Start event
                    occurs, either via egpNeighEventTrigger or
                    otherwise."
            ::= { egpNeighEntry 15 }

       -- additional EGP objects

       egpAs OBJECT-TYPE
            SYNTAX  INTEGER
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The autonomous system number of this EGP entity."
            ::= { egp 6 }

       -- the Transmission group

       -- Based on the transmission media underlying each interface
        -- on a system, the corresponding portion of the Transmission
        -- group is mandatory for that system.

       -- When Internet-standard definitions for managing
        -- transmission media are defined, the transmission group is
        -- used to provide a prefix for the names of those objects.

       -- Typically, such definitions reside in the experimental
        -- portion of the MIB until they are "proven", then as a
        -- part of the Internet standardization process, the
        -- definitions are accordingly elevated and a new object
        -- identifier, under the transmission group is defined. By
        -- convention, the name assigned is:
        --
        --     type OBJECT IDENTIFIER    ::= { transmission number }
        --
        -- where "type" is the symbolic value used for the media in
        -- the ifType column of the ifTable object, and "number" is
        -- the actual integer value corresponding to the symbol.

       -- the SNMP group

       -- Implementation of the SNMP group is mandatory for all
        -- systems which support an SNMP protocol entity.  Some of
        -- the objects defined below will be zero-valued in those
        -- SNMP implementations that are optimized to support only
        -- those functions specific to either a management agent or
        -- a management station.  In particular, it should be
        -- observed that the objects below refer to an SNMP entity,
        -- and there may be several SNMP entities residing on a
        -- managed node (e.g., if the node is hosting acting as
        -- a management station).

       snmpInPkts OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of Messages delivered to the
                    SNMP entity from the transport service."
            ::= { snmp 1 }

       snmpOutPkts OBJECT-TYPE
            SYNTAX  Counter

           ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP Messages which were
                    passed from the SNMP protocol entity to the
                    transport service."
            ::= { snmp 2 }

       snmpInBadVersions OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP Messages which were
                    delivered to the SNMP protocol entity and were for
                    an unsupported SNMP version."
            ::= { snmp 3 }

       snmpInBadCommunityNames OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP Messages delivered to
                    the SNMP protocol entity which used a SNMP
                    community name not known to said entity."
            ::= { snmp 4 }

       snmpInBadCommunityUses OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP Messages delivered to
                    the SNMP protocol entity which represented an SNMP
                    operation which was not allowed by the SNMP
                    community named in the Message."
            ::= { snmp 5 }

       snmpInASNParseErrs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of ASN.1 or BER errors
                    encountered by the SNMP protocol entity when
                    decoding received SNMP Messages."
            ::= { snmp 6 }

       -- { snmp 7 } is not used

       snmpInTooBigs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP PDUs which were
                    delivered to the SNMP protocol entity and for
                    which the value of the error-status field is
                    'tooBig'."
            ::= { snmp 8 }

       snmpInNoSuchNames OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP PDUs which were
                    delivered to the SNMP protocol entity and for
                    which the value of the error-status field is
                    'noSuchName'."
            ::= { snmp 9 }

       snmpInBadValues OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP PDUs which were
                    delivered to the SNMP protocol entity and for
                    which the value of the error-status field is
                    'badValue'."
            ::= { snmp 10 }

       snmpInReadOnlys OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number valid SNMP PDUs which were
                    delivered to the SNMP protocol entity and for
                    which the value of the error-status field is
                    'readOnly'.  It should be noted that it is a
                    protocol error to generate an SNMP PDU which
                    contains the value 'readOnly' in the error-status
                    field, as such this object is provided as a means
                    of detecting incorrect implementations of the

                   SNMP."
            ::= { snmp 11 }

       snmpInGenErrs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP PDUs which were
                    delivered to the SNMP protocol entity and for
                    which the value of the error-status field is
                    'genErr'."
            ::= { snmp 12 }

       snmpInTotalReqVars OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of MIB objects which have been
                    retrieved successfully by the SNMP protocol entity
                    as the result of receiving valid SNMP Get-Request
                    and Get-Next PDUs."
            ::= { snmp 13 }

       snmpInTotalSetVars OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of MIB objects which have been
                    altered successfully by the SNMP protocol entity
                    as the result of receiving valid SNMP Set-Request
                    PDUs."
            ::= { snmp 14 }

       snmpInGetRequests OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP Get-Request PDUs which
                    have been accepted and processed by the SNMP
                    protocol entity."
            ::= { snmp 15 }

       snmpInGetNexts OBJECT-TYPE
            SYNTAX  Counter

           ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP Get-Next PDUs which have
                    been accepted and processed by the SNMP protocol
                    entity."
            ::= { snmp 16 }

       snmpInSetRequests OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP Set-Request PDUs which
                    have been accepted and processed by the SNMP
                    protocol entity."
            ::= { snmp 17 }

       snmpInGetResponses OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP Get-Response PDUs which
                    have been accepted and processed by the SNMP
                    protocol entity."
            ::= { snmp 18 }

       snmpInTraps OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP Trap PDUs which have
                    been accepted and processed by the SNMP protocol
                    entity."
            ::= { snmp 19 }

       snmpOutTooBigs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP PDUs which were
                    generated by the SNMP protocol entity and for
                    which the value of the error-status field is
                    'tooBig.'"
            ::= { snmp 20 }

       snmpOutNoSuchNames OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP PDUs which were
                    generated by the SNMP protocol entity and for
                    which the value of the error-status is
                    'noSuchName'."
            ::= { snmp 21 }

       snmpOutBadValues OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP PDUs which were
                    generated by the SNMP protocol entity and for
                    which the value of the error-status field is
                    'badValue'."
            ::= { snmp 22 }

       -- { snmp 23 } is not used

       snmpOutGenErrs OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP PDUs which were
                    generated by the SNMP protocol entity and for
                    which the value of the error-status field is
                    'genErr'."
            ::= { snmp 24 }

       snmpOutGetRequests OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP Get-Request PDUs which
                    have been generated by the SNMP protocol entity."
            ::= { snmp 25 }

       snmpOutGetNexts OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory

           DESCRIPTION
                    "The total number of SNMP Get-Next PDUs which have
                    been generated by the SNMP protocol entity."
            ::= { snmp 26 }

       snmpOutSetRequests OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP Set-Request PDUs which
                    have been generated by the SNMP protocol entity."
            ::= { snmp 27 }

       snmpOutGetResponses OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP Get-Response PDUs which
                    have been generated by the SNMP protocol entity."
            ::= { snmp 28 }

       snmpOutTraps OBJECT-TYPE
            SYNTAX  Counter
            ACCESS  read-only
            STATUS  mandatory
            DESCRIPTION
                    "The total number of SNMP Trap PDUs which have
                    been generated by the SNMP protocol entity."
            ::= { snmp 29 }

       snmpEnableAuthenTraps OBJECT-TYPE
            SYNTAX  INTEGER { enabled(1), disabled(2) }
            ACCESS  read-write
            STATUS  mandatory
            DESCRIPTION
                    "Indicates whether the SNMP agent process is
                    permitted to generate authentication-failure
                    traps.  The value of this object overrides any
                    configuration information; as such, it provides a
                    means whereby all authentication-failure traps may
                    be disabled.

                   Note that it is strongly recommended that this
                    object be stored in non-volatile memory so that it
                    remains constant between re-initializations of the
                    network management system."

           ::= { snmp 30 }

       END