Subject: Re: ip_flow.c (ip_fastforward)
To: Herb Peyerl <hpeyerl@beer.org>
From: Anders Magnusson <ragge@ludd.luth.se>
List: tech-net
Date: 05/19/2000 22:44:26
> itojun@iijlab.net  wrote:
>  > 
>  > >> System has BGP4 running with 72,000 routes in kernel.
>  > >If you are running anything older than 1.4Y of -current, you will get into
>  > >trouble if you have more than 32K routes in the kernel.
>  > 
>  > 	IIRC, "32K routes point to single interface".
> 
> hmm?
> 
> router2# netstat -rn | grep ep0 | wc -l
>    78243
> router2# uname -a
> NetBSD router2 1.4P NetBSD 1.4P (ROUTER2) #0: Tue Jan 18 04:18:26 MST 2000     root@blizzard:/usr/src/sys/arch/i386/compile/ROUTER2 i386
> router2# w
>  9:48PM  up 122 days,  9:13, 3 users, load averages: 0.46, 0.20, 0.12
> 
You have problems. If you have routes that get deleted of the ones that
was added after 32k then strange things may happen. 

-- Ragge