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RedHat6.5網(wǎng)卡常見問題及解決方法

時間:2015-01-21 14:12:25 作者:qipeng 來源:系統(tǒng)之家 1. 掃描二維碼隨時看資訊 2. 請使用手機瀏覽器訪問: https://m.xitongzhijia.net/xtjc/20150121/35461.html 手機查看 評論

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

 RedHat6.5網(wǎng)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(tǒng),發(fā)現(xiàn)沒有eth0網(wǎng)卡,默認(rèn)的第一個網(wǎng)卡是Auto-eth0

 。踨oot@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(wǎng)卡后會發(fā)現(xiàn),網(wǎng)卡名已經(jīng)變?yōu)閑th0

 。踨oot@rac01 ~]# service network restart

  Bringing up loopback interface: [ OK ]

  Bringing up interface eth0: Active connection state: activated

  2、ifconfig 發(fā)現(xiàn)網(wǎng)卡服務(wù)名并未更改

 。踨oot@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(wǎng)卡信息,RedHat會自動的將網(wǎng)卡的MAC地址和對應(yīng)的網(wǎng)卡服務(wù)名關(guān)系記錄在/etc/udev/rules.d/70-persistent-net.rules中,修改里面的對應(yīng)服務(wù)名即可

 。踨oot@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”

  修改完成后需重啟一下系統(tǒng),再次查看網(wǎng)卡服務(wù)名已經(jīng)更改

 。踨oot@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)

  3、網(wǎng)卡eth0被刪除后,新加的網(wǎng)卡成了eth1,如何讓從eth0開始

  [root@rac01 ~]# ifconfig

  eth1 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:830 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:63700 (62.2 KiB) TX bytes:6259 (6.1 KiB)

  eth2 Link encap:Ethernet HWaddr 00:0C:29:1E:F6:B7

  inet addr:10.10.10.120 Bcast:10.10.10.111Mask:255.255.255.0

  inet6 addr: fe80::20c:29ff:fe1e:f6b7/64 Scope:Link

  UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

  RX packets:777 errors:0 dropped:0 overruns:0 frame:0

  TX packets:11 errors:0 dropped:0 overruns:0 carrier:0

  collisions:0 txqueuelen:1000

  RX bytes:54938 (53.6 KiB) TX bytes:746 (746.0 b)

  解決方法:

  同2問題類似,即可以手動的修改70-persistent-net.rules文件,將對應(yīng)的MAC地址與網(wǎng)卡序號改成想要的,也可以直接刪除該文件,重啟系統(tǒng)后,RedHat會自動的創(chuàng)建該文件,并從0開始計數(shù)。

  刪除文件,重啟系統(tǒng)

 。踨oot@rac01 ~]# mv /etc/udev/rules.d/70-persistent-net.rules /etc/udev/rules.d/7

  0-persistent-net.rules.bak

  [root@rac01 ~]# reboot

  再次查看,會發(fā)現(xiàn)已經(jīng)從eht0開始

  [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:206 errors:0 dropped:0 overruns:0 frame:0

  TX packets:68 errors:0 dropped:0 overruns:0 carrier:0

  collisions:0 txqueuelen:1000

  RX bytes:19282 (18.8 KiB) TX bytes:7215 (7.0 KiB)

  eth1 Link encap:Ethernet HWaddr 00:0C:29:1E:F6:B7

  inet addr:10.109.67.83 Bcast:10.109.67.255 Mask:255.255.255.0

  inet6 addr: fe80::20c:29ff:fe1e:f6b7/64 Scope:Link

  UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

  RX packets:131 errors:0 dropped:0 overruns:0 frame:0

  TX packets:11 errors:0 dropped:0 overruns:0 carrier:0

  collisions:0 txqueuelen:1000

  RX bytes:8736 (8.5 KiB) TX bytes:746 (746.0 b)

  4、每次重啟網(wǎng)卡,總是提示

  Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/9

  此時網(wǎng)卡也可以正常通信,這個是因為RedHat自己開發(fā)的NetworkManager管理工具和/etc/sysconfig/network-scripts/ifcfg-ethx配置不同步造成的。

  解決方法:

  要消除這個提示,請關(guān)閉NetworkManager服務(wù)即可:

  [root@rac01 ~]# service network restart

  Shutting down loopback interface: [ OK ]

  Bringing up loopback interface: [ OK ]

  Bringing up interface eth0: Active connection state: activated

  Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/2 [ OK ]

  Bringing up interface eth1: Active connection state: activated

  Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/3 [ OK ]

  關(guān)閉NetworkManager服務(wù)

 。踨oot@rac01 ~]# service NetworkManager stop

  Stopping NetworkManager daemon: [ OK ]

  再次重啟網(wǎng)卡

 。踨oot@rac01 ~]# service network restart

  Shutting down loopback interface: [ OK ]

  Bringing up loopback interface: [ OK ]

  Bringing up interface eth0: [ OK ]

  Bringing up interface eth1: [ OK ]

  5、重啟網(wǎng)卡出現(xiàn)提示:

  Bringing up interface eth0: Determining if ip address 10.109.67.81 is already in use for device eth0.。。

 。 OK ]

  Bringing up interface eth1: Determining if ip address 10.109.67.83 is already in use for device eth1.。。

 。 OK ]

  該警告一般是由于網(wǎng)卡解析arp協(xié)議導(dǎo)致的,可在網(wǎng)卡的配置文件中加入ARPCHECK=NO參數(shù)來屏蔽該檢查

 。踨oot@rac01 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0

  TYPE=Ethernet

  BOOTPROTO=none

  IPADDR=10.109.67.81

  PREFIX=24

  GATEWAY=10.109.67.254

  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

  ARPCHECK=no

  再次啟動網(wǎng)卡,一切正常

 。踨oot@rac01 ~]# service network restart

  Shutting down interface eth0: [ OK ]

  Shutting down interface eth1: [ OK ]

  Shutting down loopback interface: [ OK ]

  Bringing up loopback interface: [ OK ]

  Bringing up interface eth0: [ OK ]

  Bringing up interface eth1: [ OK ]

  上面就是RedHat6.5網(wǎng)卡常見問題及解決方法的介紹了,如果你在聯(lián)網(wǎng)的時候出現(xiàn)連接不上的情況,可以看看是不是網(wǎng)卡出現(xiàn)了問題,可用本文介紹的相關(guān)方法進(jìn)行處理。

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