Re: inet and brd for peth0 drops in setup_bridge_port() (Re: [Xen-users] Dom0 network problem)

["Matt Richardson" <shortpath@xxxxxxxxx>]

On 12/20/06, Dominique Rousseau <d.rousseau@xxxxxxx> wrote:
> Le Wed, Dec 20, 2006 at 12:18:37PM +0900, Toshinao Ishii 
> [Ishii.Toshinao@xxxxxxxxxxxxxxxxxxxxxxxxxxx] a écrit:
> [...]
> > where ${dev} is the first argument. I checked these steps and I found
> > that the last command `ip addr flush ${dev}` drops the properties of
> > inet  and brd.
> >
> > According to xenwiki/XenNetworking page, peth0 should have network
> > address since it comes the interface directly connected to the
> > external.
> > The drop of inet and brd properties may be the reason of the problem
> > that Dom0 cannot communicate with the external machines.
>
> Here, on a setup using the network-bridge topology, we have, after
> starting Xen :
>
> - eth0 in Dom0 : which has the ip address
> - peth0 : the physical ethernet
> - vif0.0 : the other extremity of eth0
> - xenbr0 : the bridge where peth0 and vif0.0 (and the further vifX) are
>   included
>
> So, from this point of view, what you get seems quite normal.
>
>
> --
> Dominique Rousseau
> Neuronnexion, Prestataire Internet & Intranet
> 57, route de Paris 80000 Amiens
> tel: 03 22 71 61 90 - fax: 03 22 71 61 99 - http://www.neuronnexion.fr
>
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> Xen-users mailing list
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> http://lists.xensource.com/xen-users
I was having the same difficulty with Etch: networking was broken on
Dom0 when using network-bridge, worked fine with network-dummy.
However, I was just able to install a DomU using debootstrap with
network-dummy selected, then had to switch to network-bridge and
restart xend to get networking happening for both.  ifconfig  on Dom0
shows fe:ff:blah MAC addresses for the bridge, vif, and peth
interfaces, which seems odd to me.  It also seems odd that networking
for Dom0 only works when a DomU is brought up.  But I'm new to this,
so a lot of it seems odd.

--
Matt

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