Cisco Catalyst 2960 Series User Manual

Related Topics
IGMP Filtering and Throttling, on page 126
Restrictions for IGMP Snooping, on page 116
Configuring the IGMP Throttling Action
After you set the maximum number of IGMP groups that a Layer 2 interface can join, you can configure an
interface to replace the existing group with the new group for which the IGMP report was received.
Follow these steps to configure the throttling action when the maximum number of entries is in the forwarding
table:
SUMMARY STEPS
1.
enable
2.
configure terminal
3.
interface interface-id
4.
ip igmp max-groups action {deny | replace}
5.
end
6.
show running-config interface interface-id
7.
copy running-config startup-config
DETAILED STEPS
PurposeCommand or Action
Enables privileged EXEC mode. Enter your password if prompted.enable
Step 1
Example:
Switch> enable
Enters the global configuration mode.configure terminal
Example:
Switch# configure terminal
Step 2
Specifies the physical interface to be configured, and enters interface
configuration mode. The interface can be a Layer 2 port that does not belong
interface interface-id
Example:
Switch(config)# interface
Step 3
to an EtherChannel group or an EtherChannel interface. The interface cannot
be a trunk port.
gigabitethernet 1/0/1
When an interface receives an IGMP report and the maximum number of
entries is in the forwarding table, specifies the action that the interface takes:
ip igmp max-groups action {deny |
replace}
Step 4
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
157
How to Configure IGMP Snooping and MVR

Cisco Catalyst 2960 Series Specifications

General

Layer	Layer 2
Power over Ethernet (PoE)	Available on some models
RAM	128 MB
Flash Memory	32 MB
MAC Address Table Size	8000
Operating Temperature	0°C to 45°C (32 to 113°F)
Ports	24 or 48 x 10/100/1000