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RedHat6.5网卡常见问题及解决方法
RedHat是运用广泛的Linux系统,在RedHat6.5的版本中,在联网的时候经常会遇到一些网卡问题,今天华军小编给大家展示的是RedHat6.5网卡常见问题及解决方法,精心挑选的内容希望大家多多支持、多多分享,喜欢就赶紧get哦!。 1、找不到eth0文件 在使用RedHat6.5,新装好的系统,发现没有eth0网卡,默认的第一个网卡是Auto-eth0 [root@rac01 ~]# cat /etc/sysconfig/network-scripts/ifcfg-Auto_eth0 TYPE=Ethernet BOOTPROTO=none IPADDR=10.10.10.110 PREFIX=24 GATEWAY=10.10.10.111 DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no NAME=eth0 UUID=86d44060-4579-48cc-b85b-219a206ca37c ONBOOT=yes HWADDR=00:50:56:95:09:76 LAST_CONNECT=1411004329 解决方法: 直接更名ifcfg-Auto_eth0文件为eth0,重启网卡后会发现,网卡名已经变为eth0 [root@rac01 ~]# service network restart Bringing up loopback interface: [ OK ] Bringing up interface eth0: Active connection state: activated 2、ifconfig 发现网卡服务名并未更改 [root@rac01 ~]# ifconfig Auto_eth0 Link encap:Ethernet HWaddr 00:50:56:95:09:76 inet addr:10.10.10.110 Bcast:10.10.10.111 Mask:255.255.255.0 inet6 addr: fe80::250:56ff:fe95:976/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:484 errors:0 dropped:0 overruns:0 frame:0 TX packets:57 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:40095 (39.1 KiB) TX bytes:6271 (6.1 KiB) 解决方法: 每次更改RedHat的网卡信息,RedHat会自动的将网卡的MAC地址和对应的网卡服务名关系记录在/etc/udev/rules.d/70-persistent-net.rules中,修改里面的对应服务名即可 [root@rac01 ~]# vim /etc/udev/rules.d/70-persistent-net.rules # This file was automatically generated by the /lib/udev/write_net_rules # program, run by the persistent-net-generator.rules rules file. # # You can modify it, as long as you keep each rule on a single # line, and change only the value of the NAME= key. # PCI device 0x15ad:0x07b0 (vmxnet3) SUBSYSTEM==“net”, ACTION==“add”, DRIVERS==“?*”, ATTR{address}==“00:0c:29:1e:f6:ad”, ATTR{type}==“1”, KERNEL==“eth*”, NAME=“eth0” 修改完成后需重启一下系统,再次查看网卡服务名已经更改 [root@rac01 ~]# ifconfig eth0 Link encap:Ethernet HWaddr 00:50:56:95:09:76 inet addr:10.109.67.81 Bcast:10.109.67.255 Mask:255.255.255.0 inet6 addr: fe80::250:56ff:fe95:976/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:985 errors:0 dropped:0 overruns:0 frame:0 TX packets:61 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:74395 (72.6 KiB) TX bytes:6527 (6.3 KiB)
RedHat6.5网卡常见问题及解决方法