Cisco Nexus 5000 Series Switch CLI Software Configuration Guide, NX-OS 4.0(1a)N1 (OL-16597-01, January 2009)

Send feedback to [e-mail]
14-6
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
OL-16597-01
Chapter 14 Configuring IGMP Snooping
Verifying IGMP Snooping Configuration
You can disable IGMP snooping either globally or for a specific VLAN. To disable IGMP snooping
globally, perform this task:
The following example shows disabling IGMP snooping for VLAN 5 only:
switch# configure terminal
switch(config)# vlan 5
switch(config-vlan)# no ip igmp snooping
Verifying IGMP Snooping Configuration
To verify the IGMP snooping configuration, perform one of these tasks:
The following example shows how to verify the IGMP snooping parameters:
switch# show ip igmp snooping
Global IGMP Snooping Information:
IGMP Snooping enabled
IGMP Snooping information for vlan 1
IGMP snooping enabled
IGMP querier none
Switch-querier disabled
Explicit tracking enabled
Fast leave disabled
Report suppression enabled
Router port detection using PIM Hellos, IGMP Queries
Command Purpose
Step 1
switch# configure terminal
Enters configuration mode.
Step 2
switch(config)# no ip igmp snooping
Globally disables IGMP snooping. The default is
enabled.
Note If the global setting is disabled, then all
VLANs are treated as disabled, whether they
are enabled or not.
Step 3
switch(config)# vlan vlan-id
Enters VLAN configuration mode.
Step 4
switch(config-vlan)# no ip igmp snooping
Disables IGMP snooping for the current VLAN. The
default is enabled.
Command Description
switch# show ip igmp snooping [[vlan]
vlan-id]
IGMP snooping configuration by VLAN.
switch# show ip igmp snooping groups
[[vlan] vlan-id] [detail]
IGMP snooping information about groups by VLAN.
switch# show ip igmp snooping querier
[[vlan] vlan-id]
IGMP snooping queriers by VLAN.
switch# show ip igmp snooping mrouter
[[vlan] vlan-id]
Multicast router ports by VLAN.
switch# show ip igmp snooping
explicit-tracking vlan vlan-id
IGMP snooping explicit tracking information by
VLAN.