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4℃華客–study温故而知新….Linux下错误的加载其他型号网卡驱动导致无法访问网关17 十一月, 2013 (19:54) | Linux | By: 4℃華客安装Redhat 5.4(内核2.6.18-164.el5)系统之后使用ifconfig -a查看发现存在eth0,同时ping服务器自身的IP地址能正常ping通,但是无法ping通网关,同时同一网段的其他主机也不能ping通此服务器的IP1.系统安装完后使用ifconfig -a查看发现存在eth0 [root@dbtpss ~]# ifconfig -a eth0 Link encap:Ethernet HWaddr 08:2E:5F:13:48:14 inet addr:134.160.170.108 Bcast:134.160.170.127 Mask:255.255.255.128 inet6 addr: fe80::a2e:5fff:fe13:4814/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:2728 errors:0 dropped:0 overruns:0 frame:0 TX packets:534 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:444017 (433.6 KiB) TX bytes:90057 (87.9 KiB) Interrupt:98 Base address:0×2000lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:1289 errors:0 dropped:0 overruns:0 frame:0 TX packets:1289 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:3884054 (3.7 MiB) TX bytes:3884054 (3.7 MiB)sit0 Link encap:IPv6-in-IPv4 NOARP MTU:1480 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)2.在/etc/sysconfig/network-scripts目录下也正常的生成ifcfg-eth0配置文件3.在/etc/sysconfig/network-scripts目录下ifcfg-eth0配置文件信息 [root@dbtpss network-scripts]# cat ifcfg-eth0 # Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller DEVICE=eth0 BOOTPROTO=static BROADCAST=134.160.170.127 HWADDR=08:2E:5F:13:48:14 IPADDR=134.160.170.108 NETMASK=255.255.255.128 NETWORK=134.160.170.0 ONBOOT=yes从这里可以看到网卡的驱动型号是RTL8111/8168B4.也都可以正常的重启网络服务 service network restart [root@dbtpss network-scripts]# service network restart Shutting down interface eth0: [ OK ] Shutting down loopback interface: [ OK ] Bringing up loopback interface: [ OK ] Bringing up interface eth0: [ OK ]5.检查主机的网卡是否有问题 [root@dbtpss network-scripts]# lspci |grep -i eth 08:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06)有信息输出表示网卡没有问题6.检查网卡驱动是否加载 [root@dbtpss network-scripts]# dmesg|grep -i eth r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded eth0: RTL8169 at 0xf8842000, 08:2e:5f:13:48:14, XID 2c200000 IRQ 90 r8169: eth0: unknown chipset (mac_version = 1). r8169: eth0: link down ADDRCONF(NETDEV_UP): eth0: link is not ready r8169: eth0: unknown chipset (mac_version = 1). r8169: eth0: link down ADDRCONF(NETDEV_UP): eth0: link is not ready网卡出现报错了r8169: eth0: unknown chipset (mac_version = 1)此时看到加载的网卡驱动是RTL81697.再次检查网卡的型号 [root@dbtpss network-scripts]# cat /etc/modprobe.conf alias eth0 r8169 alias scsi_hostadapter ahci alias scsi_hostadapter1 usb-storage在这里发现dmesg|grep -i eth和lspci |grep -i eth里查到的网卡型号不一致从这里可以确认到系统是错误的加载了网卡驱动RTL8169,RTL8111/8168B的网卡驱动没加载8.安装之前需要安装 kernel-devel gcc 包,否则会报错 安装 kernel-2.6.18-164.el5.src.rpm 下载位置 ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Se
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