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[Xen-users] intermittent domU network problems

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] intermittent domU network problems
From: JimBow <jimbow@xxxxxxxxx>
Date: Thu, 14 Feb 2008 16:12:25 +0000
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Hi all,

have a strange and recurring network problem with a domU host. Setup: Debian etch is running in domU on Debian etch dom0, xen 3.0.2

The xen network is configured in a bridged mode and there are no firewalls on any of xen domains.

Every now and again the domU host losses its connection to the Ethernet network. By loses I mean all network connectivity ceases - from arp to anything else I pass down the NIC. This leaves the host effectively useless as a server.

This event does not leave any traces in the logs on the domU or dom0 hosts and happens at seemingly irregular intervals. SNMP graphs dont show anything unusual either.

Running the Debian network init script doesn't fix the problem, the only way to fix it is by restarting the domU host.

Im not sure if this is even a xen issue, but perhaps someone here can recognise this or have anything to suggest?

Thanks for reading and any tips.


JimBow



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