User Guide

OmniAccess SafeGuard OS Administration Guide
165
Chapter 5: Setting Up SafeGuard Switches
Configuring IGMP Snooping on a VLAN
IGMP Snooping is disabled by default. The only required configuration step is to enable
the feature on the VLAN. All other VLAN for l IGMP Snooping configuration is optional.
To enable IGMP Snooping on a VLAN, use the igmpsnooping command in VLAN
Database mode. Use the no version of the command to disable IGMP snooping.
igmpsnooping vlan vlanid
no igmpsnooping vlan vlanid
The following example enables IGMP Snooping on the VLAN with the ID of 2.
(SafeGuardOS) #configure terminal
(SafeGuardOS) (config) #vlan database
(SafeGuardOS) (Vlan) #igmpsnooping vlan 2
(SafeGuardOS) (Vlan) #exit
(SafeGuardOS) (config) #exit
(SafeGuardOS) #
To verify the configuration, use the Privileged Exec show igmpsnooping command. This
command is described further in Showing the IGMP Snooping Configuration on page 172.
Optional IGMP Snooping Configuration
For global IGMP Snooping configurations, the following configuration settings can be
changed:
■ Setting the Group Membership Interval Time on page 166
■ Setting the Maximum Response Time on page 167
■ Setting the Multicast Router Expiration Time on page 168
■ Clearing IGMP Snooping Entries Globally on page 171
For VLAN IGMP Snooping configurations, the following configuration settings can be
changed:
■ Setting the Group Membership Interval Time on page 166
■ Setting the Maximum Response Time on page 167
■ Setting the Multicast Router Expiration Time on page 168
■ Enabling Fast-Leave Mode on page 170
Syntax Description vlanid Enables IGMP Snooping on a VLAN having this
identification number. Valid assignment
numbers are from 1 to 4094.