[libvirt-users] Broken br0

[Dominik Psenner]

Hi

I usually configure networks through /etc/network/interfaces especially
ones that virtual machines need.

Cheers

2017-07-03 14:44 GMT+02:00 <virt.persik at 9ox.net>:

> Hello,
>
> I wanted to get an extra IP on my local NIC, so I ran `sudo ip addr add
> 192.168.1.130/24 dev enp4s0`. This didn't work as intended, so I thought
> I'd restart the Ubuntu system to have things back to how they were.
>
> Alas, this didn't happen. While the host still has network as usual, none
> of the VMs are able to get a DHCP lease from the router, or any
> connectivity at all.
>
> I can still see br0 with `ip addr`, but my guess is that it's
> misconfigured now.
>
> I tried adding a br1 with virt-manager (Edit > Connection details >
> Network interfaces > Add interface) and using that instead, but the app
> crashed halfway through; and I can't disable or remove the connection with
> the app now.
>
> I wonder if this isn't a routing issue, but I am not very proficient in
> that area to troubleshoot and fix.
>
> Where should I start? I'd like to use this as an opportunity to learn more
> about networking and VMs, so bear with me if I ask stupid/basic questions.
> Thanks!
>
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>



-- 
Dominik Psenner
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