Configuration Guide (Supporting R2.2.0.0) Owner's manual

Brocade 6910 Ethernet Access Switch Configuration Guide 445
53-1002651-02
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IGMP Snooping
ip igmp snooping
This command enables IGMP snooping globally on the switch or on a selected VLAN interface. Use
the no form to disable it.
Syntax
[no] ip igmp snooping [vlan vlan-id]
vlan-id - VLAN ID (Range: 1-4093)
Default Setting
Enabled
Command Mode
Global Configuration
Command Usage
When IGMP snooping is enabled globally, the per VLAN interface settings for IGMP snooping
take precedence.
When IGMP snooping is disabled globally, snooping can still be configured per VLAN interface,
but the interface settings will not take effect until snooping is re-enabled globally.
Example
The following example enables IGMP snooping globally.
Console(config)#ip igmp snooping
Console(config)#
ip igmp snooping priority
This command assigns a priority to all multicast traffic. Use the no form to restore the default
setting.
Syntax
ip igmp snooping priority priority
no ip igmp snooping priority
priority - The CoS priority assigned to all multicast traffic. (Range: 0-6, where 6 is the
highest priority)
Default Setting
2
Command Mode
Global Configuration
Command Usage
This command can be used to set a high priority for low-latency multicast traffic such as a
video-conference, or to set a low priority for normal multicast traffic not sensitive to latency.