[57756] in North American Network Operators' Group
RE: Zebra Router???
daemon@ATHENA.MIT.EDU (Mike Tancsa)
Mon Apr 21 16:12:40 2003
Date: Mon, 21 Apr 2003 16:17:02 -0400
To: <deepak@ai.net>
From: Mike Tancsa <mike@sentex.net>
Cc: <nanog@merit.edu>
In-Reply-To: <GPEOJKGHAMKFIOMAGMDIIECILAAB.deepak@ai.net>
Errors-To: owner-nanog-outgoing@merit.edu
At 03:56 PM 21/04/2003 -0400, Deepak Jain wrote:
>If you go higher than 100Mb/s speeds, look for zero-copy boards, especially
>on the Gigabit side that FreeBSD supports. You have drastically low
>interrupt overhead and your speeds to move packets around increase. In my
>experience, its not the CPU that gets bogged down (first) but the interrupt
>load on a properly configured (software) box.
... The em driver now supports polling. The author of much of the polling
code (luigi@iet.unipi.it) claimed to push 650Kpps on a 2.4Ghz PIV machine.
YMMV based on the hardware you use, and the cards you combine.
---Mike
