I am on sles11 sp1. You solved the problem but do you know the cause ? Have you 
tried to put a static mac address on your server ?
________________________________________
From: Linux on 390 Port [[email protected]] on behalf of Mauro Souza 
[[email protected]]
Sent: Thursday, May 17, 2012 12:18 PM
To: [email protected]
Subject: Re: mac address problem

I saw this on a SLES11-SP2 this week. To solve the problem, I put an
script to ping the gateway as soon as it boots. And it works.

Mauro
http://mauro.limeiratem.com - registered Linux User: 294521
Scripture is both history, and a love letter from God.


2012/5/17 Levy, Alan <[email protected]>:
> We have a problem with a linux server that when we reboot it, it takes at 
> least 15 minutes to be able to ssh into.
>
> It seems, from out network traces, that when the server reboots, it has 2 mac 
> addresses in the arp tables on the firewall  (one from before and one from 
> after the reboot).
>
> We cannot ping or ssh into the server after the reboot. Yesterday, we 
> rebooted it. The network group ran traces, captured packets, etc and we found 
> that if we pinged the network gateway address from this server, everything 
> started working again.
>
> Has anyone seen this before ?
>
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