ADC Telecommunications, Inc.
362 CHAPTER 17: MANAGING IP MULTICAST
Deleting IGMP Groups

You can delete IGMP groups that you join on an interface using the ip igmp

join-group command. You can delete these groups in two ways:

■Using the no ip igmp join-group command
■Using the clear ip igmp group command

To delete groups with the no ip igmp join-group command:

To delete multicast group entries with the clear ip igmp group command:

Task Command
1. Enter interface mode. root
2. Display groups. show ip igmp groups
3. Specify the multicast address of
the group you want to delete.
no ip igmp groups <group-address>
Task Command
1. Enter root mode or interface mode. enable root
or
interface <c/s/i>
2. Display multicast groups. show ip igmp groups
3. Specify arguments as follows:
■To flush the entire cache on the Cuda
12000, issue the command in root mode
without specifying a group address.
■To remove a single multicast group from all
interfaces on the Cuda 12000, issue the
command in root mode and specify the
address of the group.
■To remove all multicast groups from an
interface, issue the command in interface
mode without specifying a group address.
■To remove a single multicast group from an
interface, issue the command in interface
mode and specify the address of the group.
clear ip igmp group
[<group-address>]