[ovs-discuss] [ovs-dev] Support for MCAST_Snooping

Flavio Leitner fbl at redhat.com
Tue Dec 2 14:58:25 UTC 2014


On Tue, Dec 02, 2014 at 07:57:19PM +0530, Aman Kumar wrote:
> Hi Flavio,
> 
> I am also working with Neethi Shashidhar
> 
>  > You said to Look at the bridge commands mdb/flush and mdb/show at
> ovs-vswitch(8) man-page.
> 
>      I ran the command  "sudo ovs-appctl mdb/show br-int" , this should
> show details(like: port, vlan and group) of some hosts which are doing
> multicasting. But it is not showing      any host details. Switch is not
> able to snoop all those details.

It supports only IGMPv1 and IGMPv2, so make sure the membership
reports are using either one of those versions.

The multicast snooping works as part of action NORMAL, so if you
are steering your traffic using other flow actions, then it wouldn't
work.

Does the above help?

fbl



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