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Forum Discussion
Multicast traffic only goes in one direction (need to send multi cast back)
We have a igmp layer 2 network for multicast video traffic. I am able to join multicast traffic in "one direction" Source A and TV A ---> M5300-52G3 --> LAG --> GS752TS --> Source B and TV B ...
Hi krobinson,
We have got the configuration for two switches. Looks like the IGMP configuration is same on two switches, so the behavior should be same.
Now we have some suggestion for the IGMP configuration:
1. You can enable IGMP Snooping in desired VLAN, no need enable in all VLANs.----I notice on M5300 switch, IGMP Snooping enable on all of VLANs(1/3/20~30/300);
2. We not suggest enable IGMP Snooping for VLAN and ports at the same time. In other words, no need enable IGMP Snooping in all port if it's enabled in VLAN.
3. Could you reload switch and try again after you modify the configuration as above?
Regards,
EricZ
NETGEAR employee
Eric,
For clearification:
1. enable igmp snooping only on vlans that have multicast traffic (currently VLANs: 1,3,20-30)
2. enable igmp snooping on vlans only, disable per port configuration. Is this the desired configuration for both swiches??
3. Will try in the morning.
Hi krobinson,
Please see my comments in line:
2. enable igmp snooping on vlans only, disable per port configuration. Is this the desired configuration for both swiches??
Yes, only enable on related VLANs for both switches.
EricZ
There was no change when I disabled IGMP on a per port configuration.
any other ideas??
Hi krobinson,
I have no idea any more.
It would be best that you open an online case with NETGEAR Support for further assistance. Kindly state your concern and the troubleshooting steps you've done so far to isolate the problem.
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