On Sun, Jan 6, 2019 at 11:21 PM Ian Kumlien <ian.kuml...@gmail.com> wrote:
>
> [Sorry for the repost, screwed up the netdev address...]
>
> Hi,
>
> Switching from 4.19.x -> 4.20 resulted in DHCP not working for my VM:s.
>
> My firewall (which also runs the dhcpd) runs VM:s and it does this by
> having physical
> interfaces attached to bridges - which the VM:s in turn attach to.
>
> Since 4.20 the VM:s can't use DHCP, it's odd since the requests are
> seen - a response is sent but
> it never enters the interface attached to the bridge.
>
> Basically:
> VM vnet2: -> br0 -> eno2 -> switch -> eno1 (dhcpd)
> dhcpd eno1 -> siwtch and... gone.
>
> Any clues?
>
> All the nics are handled by ixgbe

So, doing similar tests at work with other drivers works - could it be
related to the mac address filter that was added?
I don't *really* use VF:s though... (can't really find anything else atm)

Will try to test, but the VM:s on this machine is in use.

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