From: Ben Greear <greearb@candelatech.com>
To: David Miller <davem@davemloft.net>
Cc: rick.jones2@hp.com, netdev@vger.kernel.org, kaber@trash.net
Subject: Re: ARP table question
Date: Thu, 20 Nov 2008 09:23:53 -0800 [thread overview]
Message-ID: <49259D29.3070308@candelatech.com> (raw)
In-Reply-To: <20081120.003306.213001819.davem@davemloft.net>
David Miller wrote:
>> After some more testing, I can still get it into a bad
>> state if I have a retrans timer of 1 sec and a randomness of 5 secs
>> and manage to cause all 1000 arp entries to go stale at once (by
>> yanking a cable, for instance).
>>
>> It seems I have to bump up the base timer to 3-5 seconds (I'm
>> leaving the random backoff at 5 secs as well).
>
> This scheme still seems hackish to me, so I'm going to defer on this
> for now.
You think something like an exponential backoff capped at some user-configurable
max-value would be better?
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
next prev parent reply other threads:[~2008-11-20 17:23 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <491B1600.4080505@candelatech.com>
[not found] ` <491B1841.9050404@candelatech.com>
2008-11-12 19:43 ` ARP table question Ben Greear
2008-11-12 22:10 ` Ben Greear
2008-11-17 3:16 ` David Miller
2008-11-17 18:17 ` Ben Greear
2008-11-18 0:33 ` Ben Greear
2008-11-18 0:51 ` Rick Jones
2008-11-18 1:23 ` Ben Greear
2008-11-18 1:39 ` Rick Jones
2008-11-18 1:50 ` Ben Greear
2008-11-20 8:33 ` David Miller
2008-11-20 17:23 ` Ben Greear [this message]
2008-11-20 17:33 ` Benjamin LaHaise
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