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 Windows教程網 >> Linux系統教程 >> 關於Linux >> RedHat6.5網卡常見問題及解決方法

RedHat6.5網卡常見問題及解決方法

日期:2017/1/25 10:45:33      編輯:關於Linux

  RedHat是運用廣泛的Linux系統,在RedHat6.5的版本中,在聯網的時候經常會遇到一些網卡問題,下面小編給大家整理了RedHat6.5網卡常見的問題及解決方法,希望對你有所幫助。

 RedHat6.5網卡常見問題及解決方法

  1、找不到eth0文件

  在使用RedHat6.5,新裝好的系統,發現沒有eth0網卡,默認的第一個網卡是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

  解決方法:

  直接更名ifcfg-Auto_eth0文件為eth0,重啟網卡後會發現,網卡名已經變為eth0

  [root@rac01 ~]# service network restart

  Bringing up loopback interface: [ OK ]

  Bringing up interface eth0: Active connection state: activated

  2、ifconfig 發現網卡服務名並未更改

  [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)

  解決方法:

  每次更改RedHat的網卡信息,RedHat會自動的將網卡的MAC地址和對應的網卡服務名關系記錄在/etc/udev/rules.d/70-persistent-net.rules中,修改裡面的對應服務名即可

  [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”

  修改完成後需重啟一下系統,再次查看網卡服務名已經更改

  [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)

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