Subject: Re: NetBSD in BSD Router / Firewall Testing
To: None <email@example.com>
From: Joerg Sonnenberger <firstname.lastname@example.org>
Date: 12/01/2006 11:49:59
On Thu, Nov 30, 2006 at 10:15:04PM -0500, Mike Tancsa wrote:
> Stock FreeBSD, or modified FreeBSD ? With RELENG_4 I can push over
> 1Mpps. All of the test setups I used saw input errors when I tried
> to push too many packets through the box. I really dont know much
> about NetBSD but it too will have some sort of limit as to how much
> it can forward. Once its limit is hit, how does it report that
> ? Does it just silently drop the packet ? Or does it show up as an
> input error ?
Input errors are problems of the hardware, not dropped packets (*). Try
"netstat -q" if you want to see whether the queues dropped packets --
otherwise they are processed.
(*) If the RX processing can't keep up, it might signal it as error, not
sure. That would hint to an interrupt problem though.