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Re: Linux problems with hundreds of interfaces/routes

To: pasky@xxxxxxxx (Petr Baudis)
Subject: Re: Linux problems with hundreds of interfaces/routes
From: kuznet@xxxxxxxxxxxxx
Date: Fri, 27 Sep 2002 18:49:00 +0400 (MSD)
Cc: pekkas@xxxxxxxxxx, netdev@xxxxxxxxxxx, xs26-dev@xxxxxxxx
In-reply-to: <20020927114309.GR2655@xxxxxxxxxxx> from "Petr Baudis" at Sep 27, 2 01:43:09 pm
Sender: netdev-bounce@xxxxxxxxxxx
Hello!

> 2002/09/27 11:11:03 ZEBRA: netlink-listen error: No buffer space available, 
> type=RTM_NEWROUTE(24), seq=426, pid=0

This means that you exceeded limit on size of neighbour table,
which is quite predictable when you have lots of interfaces.
Tune neighbour table size, it is net/ipv6/neigh/default/gc_thresh3 mostly.

Alexey


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