ipmaddr(8) - Linux man page
Name
ipmaddr - adds, deletes, and displays multicast addressesSynopsis
/usr/sbin/ipmaddr [<operation>] [<args>]Note
This program is obsolete. For replacement check ip maddress.
Description
The ipmaddr command can perform one of the following operations:add - add a multicast address
del - delete
a multicast address
show - list multicast addresses