Configuration Guide

Table Of Contents
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October 2021
313
22.5.3.2 Verify IGMP cache/group and senders
Assuming the multicast sender is using IGMPv3 (source IP 10.5.41.20@232.2.2.2) connect to Switch-2
off SPB bridges 8005 & 8006 with a receiver (10.5.41.10) connected to Switch-3 off SPB bridges 8007.
Step 1 – Verify SPB multicast is enabled
show ip igmp cache
show ip igmp group
Results:
8007:
8007:3#show ip igmp cache
================================================================================
IGMP Cache - GlobalRouter
================================================================================
GRPADDR INTERFACE LASTREPORTER EXPIRYTIME VERSION1HOSTTIMER TYPE
STATICP
ORTS
232.2.2.2 Vlan2256 10.7.30.5 0day,00h:04m:08s 0day,00h:00m:00s DYNAMIC NULL
8007:3#show ip igmp group
================================================================================
IGMP Group - GlobalRouter
================================================================================
GRPADDR INPORT MEMBER EXPIRATION TYPE
232.2.2.2 V2256-4/35 10.5.41.10 54 Dynamic
Step 2 – Verify IGMP sender
show ip igmp sender
Results:
8007:
8007:3#show ip igmp sender
================================================================================
IGMP Sender - GlobalRouter
================================================================================
PORT/
GRPADDR IFINDEX MEMBER MLT STATE
232.2.2.2
Vlan 2256 10.5.41.20
spb
NOTFILTERED