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HI,
Ramon Kagan
York University, Computing and Network Services
Unix Team - Intermediate System Administrator
(416)736-2100 #20263
rkagan@xxxxxxxx
On Tue, 11 Jun 2002, Roberto Nibali wrote:
> Hello,
>
> > 1. Kernel 2.2x seems to be far more proliferic in completing these arps.
>
> What makes you think this is the case? The arp prefsrc code hasn't
> really changed from 2.2.x to 2.4.x. What did I miss this time from
> your statement?
>
If you look at my statement I didn't say IS more proliferic, I
said SEEMS. This is purely from observation of our use. When we ran
2.2.19 we had the arp issue at least once every two weeks. Since going to
the 2.4.x kernel it has happened 4 times in 15 months. Thus the word
SEEMS. I'm just suggesting possible solutions that have worked for us in
the past. Knock on wood, we haven't had an arping issue since early
January, and that was explainable. (Some clown plugged in the second NIC,
and chaos ensued =) )
> > Try going to 2.4x. Since we've gone to 2.4.18 we haven't had anymore
> > incidients. Also do you start the second NIC with -arp options?
>
> '-arp' in the linux world doesn't mean that the device should not
> reply to arp anymore. Read the mailing list entries about 'hidden'
> and 'arp' from about a year ago. An interesting thing is the ip arp
> feature from Julian: http://www.linux-vs.org/~julian/route-noarp.txt
>
> > 2. The drivers make no difference, we've also tried the native intel
> > ones. In fact I believe they are the same in almost all respects.
>
> The drivers indeed can't make the difference but not because they
> are the same (which is actually not even true) but because the
> driver doesn't have anything to do with the arp/routing issue which
> seems clearly to be the problem here.
>
> Best regards,
> Roberto Nibali, ratz
> --
> echo '[q]sa[ln0=aln256%Pln256/snlbx]sb3135071790101768542287578439snlbxq' | dc
>
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