Monitoring Igmp - Brocade Communications Systems Converged Enhanced Ethernet 8000 Administrator's Manual

13

Monitoring IGMP

3. Return to global configuration mode.
4. Configure the mrouter timeout value.
Monitoring IGMP
Monitoring the performance of your IGMP traffic allows you to diagnose any potential issues on
your switch. This helps you utilize bandwidth more efficiently by setting the switch to forward IP
multicast traffic only to connected hosts that request multicast traffic.
Refer to the CEE Command Reference for complete information about the commands in this
section.
To monitor IGMP snooping, perform the following procedure in EXEC or privileged EXEC mode.
1. Enter the show ip igmp groups command to display all information on IGMP multicast groups
2. Use the show ip igmp statistics command to display the IGMP statistics for a VLAN or interface.
3. Use the show ip igmp mrouter to display multicast router (mrouter) port related information for
4. Use the show ip igmp interface command to display information relating to the IGMP
5. When you have reviewed the IGMP statistics for the switch, refer to
130
DRAFT: BROCADE CONFIDENTIAL
NOTE
Use the no ip igmp snooping mrouter command to return to the default setting.
switch(conf-if-vl-25)#exit
switch(config)#ip igmp snooping mrouter-timeout 500
for the switch.
Use this command to display the IGMP database, including configured entries for either all
groups on all interfaces, or all groups on specific interfaces, or specific groups on specific
interfaces.
switch#show ip igmp groups
switch#show ip igmp statistics interface vlan 1
all VLANs, or a specific VLAN.
switch#show ip igmp snooping mrouter
- or -
switch#show ip igmp snooping mrouter interface vlan 1
configuration on the specified VLAN interface.
switch#show ip igmp interface vlan 100
page 128 or "Configuring IGMP snooping querier"
corrections.
NOTE
Refer to the CEE Command Reference for additional information on IGMP CLI commands.
"Configuring IGMP"
on page 129 to make any needed
Converged Enhanced Ethernet Administrator's Guide
on
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