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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 反饋
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。
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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