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IGMP snooping/query support in Openvswitch [closed]

asked 2013-12-13 07:04:19 -0500

taurus-cheung gravatar image

Hi all,

As I know, Openvswitch is a L2 virtual switch that currently does not support IGMP snooping/query. (This has been confirmed from Openvswitch mailing list)

We are running 2 VM (VM-A and VM-B) under same VLAN on the same OpenStack compute node (Grizzly version) with Openvswitch (v1.9.0). Theoretically, if only VM-A has joined the multicast group, VM-B can also receive this multicast traffic even VM-B has not join the group (since there’s no IGMP snooping/query implementation in Openvswitch)

However in our experiment, VM-B would not receive the multicast traffic joined by VM-A. The effect like Openvswitch has already supported IGMP snooping/query. Is there anything we have missed?

Regards, Taurus

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Closed for the following reason duplicate question by SamYaple
close date 2014-06-05 08:15:03.018891

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SamYaple gravatar imageSamYaple ( 2014-06-05 08:14:58 -0500 )edit

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answered 2014-06-05 02:30:23 -0500

Liping Mao gravatar image

VM-A and VM-B on the same compute node?

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answered 2013-12-19 08:11:44 -0500

fetahi gravatar image

Try playing around with the MTU of the interfaces.

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Asked: 2013-12-13 07:04:19 -0500

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Last updated: Jun 05 '14