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ASR920s not passing Layer 2 Multicast Traffic within the same BD

ronit
Beginner
Beginner

I really have a very simple setup; shown below.

WAC Multicast.jpg

 

Have 2 devices in the same subnet and BD. They can pass Unicast and Broadcast traffic between each other, but not multicast traffic (224.0.150.1). I tried with both IGMP snooping ON/OFF.

 

The same devices connected to a pair of 3650 switches work fine with close to default configuration. Can anyone suggest what I might be doing wrong?

1 Accepted Solution

Accepted Solutions

Thanks. Those outputs were blank. Those outputs populated once I turned on "ip pim sparse-mode", but the traffic didn't work end-to-end.

 

The only thing that worked was disabling IGMP snooping on both routers for this specific BD. 

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4 Replies 4

balaji.bandi
Hall of Fame
Hall of Fame

high level i do not see multicast routing enabled? 

 

Ip multicast-routing, along with configuring IGMP also

 

post the below output :

 

show ip igmp snooping group
show ip igmp snooping group bd
show ip igmp snooping group bd 150 count

BB

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Thank you. I wasn’t aware multicast routing was needed to allow layer 2 multicast, also. I will enable it tomorrow and post the outputs of the above commands before and after. 

Thanks. Those outputs were blank. Those outputs populated once I turned on "ip pim sparse-mode", but the traffic didn't work end-to-end.

 

The only thing that worked was disabling IGMP snooping on both routers for this specific BD. 

Glad all well and working.

BB

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