Configuration Guide
292
Configuring Layer 2 Multicast
IGMP Snooping Configurations
2.2.6 Configuring IGMP Snooping Parameters in the VLAN
Configuring Router Port Time and Member Port Time
Step 1
configure
Enter global configuration mode.
Step 2
ip igmp snooping vlan-config
vlan-id-list
[rtime
router-time
| mtime
member-time
]
router-time
is the aging time of the router ports in the specified VLAN, ranging from 60 to 600
seconds.
member-time
is the aging time of the member ports in the specified VLAN, ranging from 60 to
600 seconds.
Step 3
show ip igmp snooping vlan
vlan-id
Show the basic IGMP snooping configuration in the specified VLAN.
Step 4
end
Return to privileged EXEC mode.
Step 5
copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to enable IGMP Snooping in VLAN 2 and VLAN 3,
configure the router port time as 500 seconds and the member port time as 400 seconds:
Switch#configure
Switch(config)#ip igmp snooping
Switch(config)#ip igmp snooping vlan-config
2-3
rtime
500
Switch(config)#ip igmp snooping vlan-config
2-3
mtime
400
Switch(config)#show ip igmp snooping vlan
2
Vlan Id: 2
Router Time:500
Member Time:400
Static Router Port:None
Dynamic Router Port:None
Forbidden Router Port:None
Switch(config)#show ip igmp snooping vlan
3
Vlan Id: 3
Router Time:500