Re: [Xen-users] Strange ARP problem in a bridged config

[Ian Marlier <ian.marlier@xxxxxxxxxxxxxxxxxxx>]

On 4/3/08 10:35 AM, "Ian Marlier" <ian.marlier@xxxxxxxxxxxxxxxxxxx> wrote:

> I'm having an odd issue that I think is related to arp, and I'm hoping that
> someone can help me figure out why it's happening...
> 
> I am running nagios, monitoring a number of xen hosts.  Yesterday, I
> rebooted several of the machines (the physical hosts, not virtual machines).
> Since then, nagios is sometimes reporting that the hosts are down because
> pings to them fail.

<snip>

Disabling ARP on the bridge fixed the issue: `ip link set xenbr0 arp off`
was all that was needed.

Digging around in the xen source repository, it appears that the script
installed in /etc/xen/scripts/network-bridge is customized by the suse
package maintainers, rather than being shipped with Xen itself, so a bug has
been filed with Novell against the opensuse 10.3 xen package:
https://bugzilla.novell.com/show_bug.cgi?id=376853


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