From owner-freebsd-net@FreeBSD.ORG Wed Mar 8 12:52:32 2006 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A319316A420 for ; Wed, 8 Mar 2006 12:52:32 +0000 (GMT) (envelope-from Artis.Caune@latnet.lv) Received: from esbens.latnet.lv (esbens.latnet.lv [159.148.19.115]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2C02B43D46 for ; Wed, 8 Mar 2006 12:52:31 +0000 (GMT) (envelope-from Artis.Caune@latnet.lv) Received: from localhost (localhost.localdomain [127.0.0.1]) by esbens.latnet.lv (Postfix) with ESMTP id D1207A3ED2 for ; Wed, 8 Mar 2006 14:52:30 +0200 (EET) Received: from esbens.latnet.lv ([127.0.0.1]) by localhost (esbens.latnet.lv [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 29343-14 for ; Wed, 8 Mar 2006 14:52:30 +0200 (EET) Received: from [159.148.108.180] (artis.latnet.lv [159.148.108.180]) by esbens.latnet.lv (Postfix) with ESMTP id 125E1A0A9F for ; Wed, 8 Mar 2006 14:52:30 +0200 (EET) Mime-Version: 1.0 (Apple Message framework v746.2) Content-Transfer-Encoding: 7bit Message-Id: <08D42EF3-773C-41A0-B19C-1B177F4C5A5F@latnet.lv> Content-Type: text/plain; charset=US-ASCII; format=flowed To: freebsd-net@freebsd.org From: Artis Caune Date: Wed, 8 Mar 2006 14:52:22 +0200 X-Mailer: Apple Mail (2.746.2) X-Virus-Scanned: amavisd-new 2.3.2 (20050629) at latnet.lv Subject: if_bridge drops lot of outgoing packets X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Mar 2006 12:52:32 -0000 # kldload if_bridge # ifconfig bridge0 create # ifconfig bridge0 addm em0 # ifconfig bridge0 -learn em0 # ifconfig bridge0 span em1 # ifconfig bridge0 up traffic on em0: 30 second output rate 680818000 bits/sec, 152697 packets/sec # netstat -w1 -bd -I em1 input (em1) output packets errs bits packets errs bits colls drops 0 0 0 107332 0 493295560 0 50374 0 0 0 105825 0 484738088 0 53434 0 0 0 109800 0 499006384 0 44857 0 0 0 110054 0 493731344 0 46474 0 0 0 106508 0 486585112 0 54058 0 0 0 105180 0 484695272 0 52910 0 0 0 105304 0 485654248 0 54242 ~ 51% packet loss per second FreeBSD 7.0-CURRENT #0: Fri Feb 24 12:57:50 EET 2006 device = '82546EB Dual Port Gigabit Ethernet Controller' (pcix) VM_KMEM_SIZE_MAX=536870912 (512M) kern.ipc.nmbclusters=100000 dual 2.8GHz xeon 2G RAM POLLING not compiled in changes in if_em.h: #define EM_DEFAULT_TXD EM_MAX_TXD //(4096) #define EM_DEFAULT_RXD EM_MAX_RXD //(4096) #define EM_TIDV 0 #define EM_TADV 0 #define EM_RADV 0 same problem with unmodified if_em/KMEM/clusters