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Re: [Xen-devel] ARP problems in -testing?

To: Derrik Pates <demon@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] ARP problems in -testing?
From: Felipe Alfaro Solana <lkml@xxxxxxx>
Date: Mon, 17 Jan 2005 01:58:59 +0100
Cc: Jan Kundrát <jan.kundrat@xxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>, Ron Watkins <xen-devel@xxxxxxxxx>
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On 17 Jan 2005, at 01:27, Derrik Pates wrote:

Keir Fraser wrote:
The MAC addresses from the tcpdump log look sane. The problem must lie
elsewhere.

I just tried this on a dedicated server located at thePlanet in Texas; I think this is an issue that combines the following:

- No MAC address specified causes a random MAC address to be selected at domain create time

Well, I can confirm this was the culprit of my problems: Xen was selecting random MAC addresses at startup. I have fixed the problem by manually and statically setting a predefined MAC address in the domain config file:

vif = [ 'mac=XX:XX:XX:XX:XX:XX' ]

Now, the MAC address is always the same and thus I don't need the ugly ping hack.
Thanks.



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