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I tried adding the address the bridge itself like Simon mentioned:

auto xenbr1

iface xenbr1 inet static

bridge_ports eth1

address 10.20.0.3

netmask 255.255.255.0

broadcast 10.20.0.255

gateway 10.20.0.1

dns-nameservers 8.8.8.8 8.8.4.4

A issue though. DNS doesn't seem to be working, I tried editing resolv.conf directly and dns-nameservers like showed above.

I can ping 8.8.8.8 and any other ip address directly but nslookup, dig etc aren't working. Any ideas why DNS is not propagating?

On Thu, May 19, 2016 at 2:36 AM, Simon Hobson <linux@xxxxxxxxxxxxxxxx> wrote:

John Pearson <johnpearson555@xxxxxxxxx> wrote:

> I have it working with this setup:
>
> eth0 connected to WAN
>
> eth1 connected to LAN
>
> domU running as router and devices connected to the server on eth1
>
> I am able to NAT, route packets etc on domU for devices connected to eth1 and internet/IP works.
>
>
> Now I am trying to connect dom0 to domU also as client. I would like dom0 traffic also forwarded domU. Running `brctl show` on dom0 shows this:
> bridge name bridge id STP enabled interfaces
> xenbr0 8000.xxxxxxxxxxxxx no vif0
> eth0
> xenbr1 8000.xxxxxxxxxxxxx no vif1

That all looks good

> Since I would like dom0 also another client on domU, I thought creating vlan

You're over-thinking it.
All you need to do is add an IP address to the bridge in Dom0, so change this :

>> auto xenbr1
>> iface xenbr1 inet manual
>> bridge_ports eth1

to
auto xenbr1
iface xenbr1 inet static
bridge_ports eth1
address nnn.nnn.nnn.nnn
netmask ....
gateway ...

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Re: [Xen-users] Server with 2 NICs. DomU as Router