CLI Reference Guide-R04

Chapter 25 | Multicast Filtering Commands
IGMP Snooping
– 683 –
Command Mode
Global Configuration
Command Usage
◆ Static multicast entries are never aged out.
◆ When a multicast entry is assigned to an interface in a specific VLAN, the
corresponding traffic can only be forwarded to ports within that VLAN.
Example
The following shows how to statically configure a multicast group on a port.
Console(config)#ip igmp snooping vlan 1 static 224.128.0.12 ethernet 1/21
Console(config)#
clear ip igmp
snooping groups
dynamic
This command clears multicast group information dynamically learned through
IGMP snooping.
Syntax
clear ip igmp snooping groups dynamic
Command Mode
Privileged Exec
Command Usage
This command only clears entries learned though IGMP snooping. Statically
configured multicast address are not cleared.
Example
Console#clear ip igmp snooping groups dynamic
Console#
clear ip igmp
snooping statistics
This command clears IGMP snooping statistics.
Syntax
clear ip igmp snooping statistics [interface interface]
interface
ethernet unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-28)