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From: Peter Kruse <pk@q-leap.com>
To: linux-os@analogic.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: Random packets loss under x86_64 - routing?
Date: Mon, 17 Jan 2005 14:57:29 +0100	[thread overview]
Message-ID: <41EBC449.3090503@q-leap.com> (raw)
In-Reply-To: <Pine.LNX.4.61.0501141129260.5840@chaos.analogic.com>

Hello,

thanks for your reply

linux-os wrote:
  >
> When they 'disappear', use `arp -d hostname` to delete the
> entry from the ARP tables. Then see if you can ping it.
> It is possible that the destination machine got re-routed
> and the new router's HW address wasn't updated in the
> ARP tables. If this is the case, I don't know hot to 'fix'
> it, but it's a new data-point. When you have dynamic routing,
> there needs to be some way to update the ARP tables even though
> they eventually expire.

There is no router between sender and destination host,
they are on the same subnet and connected on the same switch.

> The fact that `ping -r` works seems to show that the ARP table
> has stale entries in it.
> 

Even directly after reboot when the arp table is empty?

	Peter

-- 
Peter Kruse <pk@q-leap.com>, Chief Software Architect
Q-Leap Networks GmbH
phone: +497071-703171, mobile: +49172-6340044

  reply	other threads:[~2005-01-17 13:58 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-14 15:35 Random packets loss under x86_64 - routing? Peter Kruse
2005-01-14 16:37 ` linux-os
2005-01-17 13:57   ` Peter Kruse [this message]
2005-01-17 14:27     ` linux-os
2005-01-24 10:24   ` Peter Kruse

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