ipmaddr − adds, changes, deletes, and displays multicast addresses
ipmaddr [<operation>] [<args>]
This program is obsolete. Please use ip maddr instead, and see ip-maddress(8) for more information.
The ipmaddr command can perform one of the following operations:
add − add a multicast address
change − change a multicast address
del − delete a multicast address
show − list multicast addresses
ip-maddress(8), ip(8)