[ovirt-users] Re: Bridge not forwarding frames on node.

Il 14/05/2020 12:50, Dominik Holler ha scritto: > > > On Wed, May 13, 2020 at 9:44 PM s.danzi <s.danzi(a)hawai.it > <mailto:s.danzi@hawai.it>> wrote: > > Hi to all! > > I'm having an issue with networks bridges on ovirt node. > > It's look like this bug: > https://bugzilla.redhat.com/show_bug.cgi?id=1279161 > > On VM I have a bridge between a tap device and network interface.  > On node side the interface is bridged with bond0 vlan 128 > (bond0.128 lacp). > > When I ping an host on the other side of tap device I can see this: > > Arp request goes from my lan to the tap device on vm. Arp reply > return from tap vm and bridge forward this to vm networks > interface. Using tcpdump on vm interface on node I can see the arp > reply, using tcpdump on bond0.128 or on bridge I can't see the arp > reply.  Arp request is forwarded from bond0.128 to vm net but arp > reply isn't forwarded from vm net to bond0.128. > > > > Any chance that there is network filtering involved? > Please check if the related vNIC profile has No Network Filter. > If there is a Network Filter set, please shutdown the VM, set to No > Network Filter in the vNIC profile, and start the VM again and check > if the issue is gone. Hi! No Network filter.... It was my first check.