Hello, we have setup where some applications needs to send/receive multicast packets. These apps are running on bare metal compute nodes where vrouter is set up with vhost0 interface (which is the only active interface on these hosts).
Unfortunately we are facing the issue when multicast packets are sent
with no issue over vhost0 interface:
iperf -c 239.1.2.3 -u -T 32 -t 3 -i 1
But are not received on another host over vhost0:
iperf -s -u -B 239.1.2.3 -i 1
The same test is working fine on the same hosts without vrouter
installed (using physical network interface to receive packets).
Multicast seems to be set up correctly:
$ netstat -g | grep vhost0
vhost0 2 239.1.2.3
vhost0 1 all-systems.mcast.net
vhost0 1 ff02::1:ff59:3afe
vhost0 1 ip6-allnodes
vhost0 1 ff01::1
We are running OpenContrail R2.20.
Does anyone experience the same issue?
Thanks in advance for any ideas,
Filip
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