netdev - Re: vrf and multicast is broken in some cases

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Message-ID: <3906c6fe-e7a7-94c1-9d7d-74050084b56e@gmail.com>
Date:   Wed, 15 Jan 2020 11:45:59 -0700
From:   David Ahern <dsahern@...il.com>
To:     Ben Greear <greearb@...delatech.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: vrf and multicast is broken in some cases

On 1/15/20 10:57 AM, Ben Greear wrote:
> Hello,
> 
> We put two different ports into their own VRF, and then tried to run a
> multicast
> sender on one and receiver on the other.  The receiver does not receive
> anything.
> 
> Is this a known problem?
> 
> If we do a similar setup with policy based routing rules instead of VRF,
> then the multicast
> test works.
> 

It works for OSPF for example. I have lost track of FRR features that
use it, so you will need to specify more details.

Are the sender / receiver on the same host?