[Xen-users] dom0 networking problem

[Jens Fiedler <jens.fiedler@xxxxxxxxxxxxxxxxxxx>]

Hello,

I'm new to xen and happily managed to boot into dom0 with default 
settings so far.
xend is not started automatically, but as soon as I do, networking is 
broken.
Here is what happens
the bridge is started by /etc/xen/scripts/network-bridge .
It gets the two interfaces peth0 (former eth0) and vif0.0, which connects
to eth0 (former veth0).
eth0 has IP address 10.147.160.15 (ok)
the MAC addess has also moved to eth0 (as it should)
Now, when I ping 10.147.160.11 (an existing system in the network), it 
does'nt work.
When I do this ping without the xen networking stuff, it works perfectly.
I've tracked down the problem by attaching tcpdump to each interface and 
found out that
ARP requests leave the xen system, get into the target machine, which 
generates the
ARP response. The ARP response is then sent over the network (one single 
switch),
passes the switch (checked using a hub after it), but does not show up 
in the
tcpdump for peth0, xenbr0, vif0.0 and eth0. causing ping to fail due to ARP.

I digged in the archive and found that people reported this problem 
before, but I was'nt
able to find a solution yet. Any clues ?

Cheers,
   -Jens

--
Dipl.-Inform. Jens Fiedler
FhI FOKUS, Competence Center for NGNI
Tel.: +49 30 3463 7270
jens.fiedler@xxxxxxxxxxxxxxxxxxx 

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