IGMP subscribers complete list in 7600

ogvalverde · ‎05-21-2009

Hello,

I need to access to the complete list of multicast subscribers for one VLAN, not just the last reporter.

Does anybody know how to get it through commands or SNMP?

Regards

Harold Ritter · ‎05-21-2009

Oscar,

I am not sure you will be able to get that information. From the router point of view, all we care about is whether there is an interested subscriber or not, hence the last reporter.

Regards

Harold Ritter
Sr Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
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Cuauhtémoc, Juárez
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Giuseppe Larosa · ‎05-21-2009

Hello Oscar,

with IGMPv2 only L2 switches have the complete picture for the report suppression feature:

on all L2 switches taking part in the vlan including the c7600 you can use:

you need to refer to the L2 multicast address.

See this example from a C7609

sh mac-address-table multicast vlan 617 | beg 0100.5e48.6403

617 0100.5e48.6403 static Yes - Po1,Po277,Router

617 0100.5e48.6402 static Yes - Po1,Po277,Router

617 0100.5e48.6406 static Yes - Po1,Po277,Router

617 0100.5e00.0128 static Yes - Po1,Po277,Router

Hope to help

Giuseppe