On Wed, 23 Feb 2011 17:52:21 +0100 Patrick Lamaiziere <patf...@davenulle.org> wrote:
>| Le Tue, 22 Feb 2011 19:13:48 +0100, >| Manuel Guesdon <ml+openbsd.m...@oxymium.net> a icrit : >| >| Hello, >| >| > We've got same problems (on a routeur, not a firewall). Increasing >| > MAX_INTS_PER_SEC to 24000 increased bandwith and lowered packet loss. >| > Our cards are "Intel PRO/1000 (82576)" and "Intel PRO/1000 FP >| > (82576)". >| >| Did you try to increase the number of descriptor? >| #define EM_MAX_TXD 256 >| #define EM_MAX_RXD 256 >| >| I've tried up to 2048 (and with MAX_INTS_PER_SEC = 16000) but it looks >| worth. Thank you ! I'll investigate this ! >| My configuration is two firewalls in master/backup mode. On the first >| one the two most busy links are on the first card (Fiber). On the >| second, these two links are not on the same card, one is on the fiber >| card and the other on the cupper card. I've noticed today that the >| input "Ierr" rate is far lower on the second firewall than on the first. >| >| Is it possible to have a bottleneck on the ethernet card or on the bus? May be (but I'm not an expert :-). In my case, the bus doesn't seems to be the problem (cards are on the PCI #1 64-bit PCI Express on a X8DTU http://www.supermicro.com/products/motherboard/QPI/5500/X8DTU.cfm). Manuel -- ______________________________________________________________________ Manuel Guesdon - OXYMIUM
