Thursday, January 3, 2019

(Cisco) L2 Multicast Traffic not being properly forwarded

We are experiencing an issue where video intercoms need to multicast information across a L2 network. The data is not getting end to end. We have two endpoints on the same network/subnet/gateway but on separated switches.

To my understanding this type of traffic should be forwarded without issue as long as it was L2.

Traffic flow is 3750x-->Nexus7000-->9300

When both endpoints are put on the same switch, it works. They are both still on the same VLAN as they were on when they were on two separate switches.

Any suggestions on what I should look at next?



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