机器型号：Dell R710，操作系统Centos5.4，症状：流量大时网卡不通，日志无明显迹象。

解决办法，升级网卡驱动：

升级前：

[root@2hei.net]# ethtool -i eth0
driver: bnx2
version: 1.9.3
firmware-version: 5.2.3 NCSI 2.0.11
bus-info: 0000:01:00.0

步骤如下：

wget http://ftp.us.dell.com/network/Bcom_LAN_16.4.0_Linux_Source_A00.tar.gz

tar -zxvf Bcom_LAN_16.4.0_Linux_Source_A00.tar.gz
cd Bcom_LAN_16.4.0_Linux_Source_A00
cd NetXtremeII/
rpm -ivh netxtreme2-6.4.44-1.src.rpm

cd /usr/src/redhat/
rpmbuild -bb SPECS/netxtreme2.spec
rpm -ivh RPMS/x86_64/netxtreme2-6.4.44-1.x86_64.rpm

screen -R update_driver

vim upgrade.sh

#!/bin/bash

rmmod bnx2
depmod
modprobe bnx2

sh upgrade.sh &

升级后：

[root@2hei.net]#ethtool -i eth0
driver: bnx2
version: 2.1.6b
firmware-version: bc 3.5.12 ipms 1.6.0
bus-info: 0000:03:00.0

[root@2hei.net]#modinfo bnx2
filename: /lib/modules/2.6.18-164.el5/updates/bnx2.ko
version: 2.1.6b
license: GPL
description: Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver

本文固定链接: https://www.2hei.net/2013/01/04/r710centos5-4-upgrade-net-driver/ | 2hei.net