[CentOS] C8 - KVM on bridge on VLAN on team issues.

Wed Jun 17 17:51:43 UTC 2020
Ulf Volmer <u.volmer at u-v.de>

On 17.06.20 17:36, Lamar Owen wrote:
> On 6/17/20 11:04 AM, Lamar Owen wrote:
>> ...
>> It shows as being defined to 1.  I'm going to try adding to
>> sysctl.conf and see if that makes any difference, though.
> No difference.  What is aggravating, though, is virtually every howto on
> bridging out there refers to the deprecated brctl utility (from the
> bridge-utils package), and C8 no longer includes that package (even
> though it's in current Fedora 32!).  I know, I know, the new way is
> using the 'bridge' command or 'ip --br'....  So I grabbed the F32 source
> RPM and rebuilt on my C8 laptop and uploaded to the host:
> [root at c8-kvm-pe1950-1 ~]# brctl show
> bridge name      bridge id            STP enabled    interfaces
> bridge101        8000.001ec9fcde9d    yes              team0.101
>                                                      vnet0
> bridge302        8000.001ec9fcde9d    yes              team0.302
> bridge68         8000.001ec9fcde9d    yes              team0.68
> 
> 
> Still no dice.  Next step is tcpdump.....

Just to make it sure: Did you try to disable firewalld?
With my experience with libvirt and vlan bridges on Fedora, libvirt may
include unwanted firewall rules which drops the traffic over the bridges.

Best regards
Ulf