On Wed, Jul 09, 2025 at 02:42:44PM +0000, Jon Tabor wrote:
> Good day everyone,
>
> I recently ran through the process of updating my ancient vmm host server
> from 7.2 all the way up to 7.7 (stepping through each version using
> sysupgrade). Everything went extremely well, with the exception of one
> issue: previously when I started a vmm guest, the tap interface (tap0, tap1,
> etc) automatically added itself to the bridge (bridge0) so the guests could
> communicate on the network, but now they no longer do. I have to manually
> add them using
>
> ifconfig bridge0 add tap0
>
> every time I start/restart a vmm guest.
>
> Any thoughts on why that would be? Here's my vm.conf; not sure what else
> would be in play here, so let me know if there are other configuration files
> I should show.
>
> vm.conf:
>
> socket owner taborj:taborj
>
> switch "bridge" {
> interface bridge0
> }
>
> vm "athos" {
> memory 10G
> enable
> disk /mnt/sd1a/vmware/athos.qcow2
> disk /mnt/sd1a/vmware/athos_usr.qcow2
> interface { switch "bridge" }
> }
>
> vm "porthos" {
> memory 512M
> enable
> disk /mnt/sd1a/vmware/porthos.qcow2
> disk /mnt/sd1a/vmware/porthos2.qcow2
> interface { switch "bridge" }
> }
>
> Thanks,
> ------------------
> Jon Tabor
> tab...@obsolete.site
I had similar weird problems with bridge(4) long ago and switched to veb(4) at
the suggestion of some of the other devs. I just toss all the tapN into the
veb at boot (/etc/hostname.veb0), that way I don't need to worry about them
not getting added later.
-ml
