Accton Technology ES4626 - Manual (Page 603)

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Switch2#config
Switch2(Config)#ip igmp snooping
Switch2(Config)#ip igmp snooping vlan 100
Switch2(Config)#ip igmp snooping vlan 100 mrouter interface ethernet 1/1
Multicast Configuration
The same as scenario 1.
IGMP Snooping listening result:
Similar to scenario 1.
14.5 IGMP Snooping Troubleshooting
On IGMP Snooping function configuration and usage, IGMP Snooping might not run
properly because of physical connection or configuration mistakes. So the users should
noted that:
4. Make sure correct physical connection.
5. Activate IGMP Snooping on whole config mode (use ip igmp snooping)
6. Config IGMP Snooping at VLAN on whole config mode ( use ip igmp snooping vlan
)
7. Make sure one VLAN is configured as L2 common checker in same mask, or make
sure configured static mrouter.
8. Use show ip igmp snooping vlan command check IGMP Snooping information
If IGMP Snooping problem cannot be solve by check, then pls. use debug command
like debug igmp snooping. Copy and send 3 minutes DEBUG information to our customer
center.
14.5.1 Commands for Monitor And Debug
14.5.1.1 debug ip igmp snooping
Command: debug ip igmp snooping
no debug ip igmp snooping
Function: Enable the IGMP Snooping debug function: the “ no debug ip igmp
snooping” command disables this debug function.
Command mode:
Admin Mode
Default: IGMP Snooping debug is disabled by default.