Brocade Communications Systems Converged Enhanced Ethernet 53-1002163-02 - Manual (Page 151)

Converged Enhanced Ethernet Administrator’s Guide 129
53-1002163-02
Configuring IGMP snooping querier
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DRAFT: BROCADE CONFIDENTIAL
9. Optional: Activate the IGMP querier functionality with additional features.
Configuring IGMP snooping querier
If your multicast traffic is not routed because Protocol-Independent Multicast (PIM) and IGMP are
not configured, use the IGMP snooping querier in a VLAN.
IGMP snooping querier sends out IGMP queries to trigger IGMP responses from switches that wish
to receive IP multicast traffic. IGMP snooping listens for these responses to map the appropriate
forwarding addresses.
Refer to the CEE Command Reference for complete information about the commands in this
section.
To configure the IGMP snooping querier, use the following procedure from privileged EXEC mode.
1. Enter interface configuration mode.
switch(config)#interface vlan 25
2. Activate the default IGMP querier functionality for the VLAN.
switch(conf-if-vl-25)#ip igmp snooping querier enable
3. Return to privileged EXEC mode.
switch(conf-if-vl-25)#exit
4. Set the IGMP querier interval for the VLAN.
The valid range is from 1 through 18000 seconds. The default value is 125 seconds.
switch(config)#ip igmp query-interval 125
5. Set the last member query interval.
The valid range is from 100 through 25500 milliseconds. The default value is 1000
milliseconds.
switch(config)#ip igmp last-member-query-interval 2000
6. Set the Max Response Time (MRT).
The valid range is from 1 through 25 seconds. The default value is 10 seconds.
switch(config)#ip igmp query-max-response-time 10
Configuring IGMP snooping mrouter
To configure IGMP snooping mrouter, perform this task in global configuration mode.
1. Enter interface configuration mode for the VLAN port member.
switch(config)#interface vlan 10
2. Configure a the port member to be a multicast router interface.
switch(config-if-vl-10)#ip igmp snooping mrouter interface tengigabitethernet
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