查看Linux下网卡连接/工作状态(up还是down)? |
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[root@localhost /root]# ifconfigeth0 Link encap:Ethernet HWaddr 00:19:DB:41:08:1B inet addr:211.100.10.235 Bcast:211.100.10.235 Mask:255.255.255.255 UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1 RX packets:178812 errors:0 dropped:0 overruns:0 frame:0 TX packets:153415 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:33094019 (31.5 MiB) TX bytes:71911163 (68.5 MiB) Base address:0x8f00 Memory:fd6e0000-fd700000 eth1 Link encap:Ethernet HWaddr 00:19:DB:41:08:1C inet addr:192.168.1.115 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:13805 errors:0 dropped:0 overruns:0 frame:0 TX packets:11356 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1520439 (1.4 MiB) TX bytes:5406527 (5.1 MiB) Base address:0x7f00 Memory:fd2e0000-fd300000 eth2 Link encap:Ethernet HWaddr 00:19:DB:41:08:1D inet addr:202.194.99.62 Bcast:202.194.99.62 Mask:255.255.255.255 UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1 RX packets:158024 errors:0 dropped:0 overruns:0 frame:0 TX packets:182280 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:74748049 (71.2 MiB) TX bytes:33535454 (31.9 MiB) Base address:0xdf00 Memory:fdee0000-fdf00000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:99 errors:0 dropped:0 overruns:0 frame:0 TX packets:99 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:12978 (12.6 kiB) TX bytes:12978 (12.6 kiB) 第二种方法,通过mii-tool指令 [root@localhost root]# mii-tool eth0: negotiated 100baseTx-FD, link ok eth1: no link 或 [root@localhost root]# mii-tool -v eth0: negotiated 100baseTx-FD, link ok product info: vendor 00:50:43, model 2 rev 3 basic mode: autonegotiation enabled basic status: autonegotiation complete, link ok capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD advertising: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control link partner: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD eth1: no link product info: vendor 00:50:43, model 2 rev 3 basic mode: autonegotiation enabled basic status: no link capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD advertising: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control 或[root@localhost root]# mii-tool -w 21:20:33 eth0: negotiated 100baseTx-FD, link ok 21:20:33 eth1: no link
第三种方法 ethtool eth0 Settings for eth0: Link detected: yes http://hi.baidu.com/nan5715077/blog/item/4bd02f071b5f01ca7a8947cd.html
FAQ:如何查看Linux下网卡是否连接(UP)? FAQ:如何查看Linux下网卡是否连接(UP)? 来自: 杨志刚 博客 ( http://yangzhigang.cublog.cn) //如何不到服务器端,通过指令判断Linux的网卡是否已经连接到网络并为UP状态。有的人用ifconfig -a 查网卡已经配置的正确的IP地址,可是就是ping不能网络,到机房一看网线没接,^@^! 网络不通 会有好多原因,但最先查的就是网卡的网络是还已连接并UP。就像办公室的MM喊着说上不了网![]() |
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