Re: [Xen-users] Still confused about bridging (I think)

["Javier Guerra" <javier@xxxxxxxxxxx>]

On Fri, Sep 19, 2008 at 5:42 PM, David Dyer-Bennet <dd-b@xxxxxxxx> wrote:
> I know I'm confused about *something*, because packets aren't getting
> through.
>
> The hardware has two NICs, eth0 connects to the corporate lan on
> 192.168.1.14, and to a private cluster lan on 172.17.0.1.
>
> In dom0, I can reach systems on both lans.
>
> In a guest on 172.17.1.2, I can't reach anything.  Nothing in 172.17,
> nothing in 192.168.1.  The guest is domain 9, called vl01.
>
> In dom0 A bridge, xenbr0 (specified in my control files for the domains),
> is set up to let everybody talk to everywhere.
>
> [root@prcapp02 xen]# brctl show
> bridge name     bridge id               STP enabled     interfaces
> virbr0          8000.000000000000       yes
> xenbr0          8000.2ed4b2e93fd1       no              vif9.0
>                                                        vif7.0
>                                                        tap0
>                                                        peth0
>                                                        vif0.0

where's the 'way out' from xenbr0? IOW, is peth0 connected to a real NIC?

i think you should set two bridges, one connected to eth0
(192.168.1.14) , and the other to eth1 (172.17.0.1), then if you want
a DomU on 172.17.x.x, connect it's vif to the second bridge.

-- 
Javier

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