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環(huán)境說明: Centos4.4, Dell PowerEdge 2850, 10/100/1000M自適應網(wǎng)卡 2塊, Cisco 2960 交換機(接內(nèi)網(wǎng)用)
應用要求: 一塊網(wǎng)卡連接內(nèi)網(wǎng),配一個內(nèi)網(wǎng)IP,接收內(nèi)網(wǎng)數(shù)據(jù); 另一塊接外網(wǎng),配一個公網(wǎng)IP,接收公網(wǎng)數(shù)據(jù)。
碰到問題: 連接內(nèi)網(wǎng)的網(wǎng)卡在聯(lián)通一段時間后,會頻繁規(guī)律性斷線,恢復方法只有把服務器端的網(wǎng)線拔了再重新插上,但過一段時間又會出現(xiàn)該情況(重新插上網(wǎng)線過一天就會出現(xiàn)....)。
(/var/log/message:
..........
Dec 20 11:49:36 localhost kernel: e1000: eth0: e1000_watchdog_task: NIC Link is Up 100 Mbps Full Duplex
Dec 20 11:49:37 localhost kernel: e1000: eth0: e1000_watchdog_task: NIC Link is Down
Dec 20 11:49:39 localhost kernel: e1000: eth0: e1000_watchdog_task: NIC Link is Up 100 Mbps Full Duplex
Dec 20 11:49:40 localhost kernel: e1000: eth0: e1000_watchdog_task: NIC Link is Down
Dec 20 11:49:41 localhost kernel: e1000: eth0: e1000_watchdog_task: NIC Link is Up 100 Mbps Full Duplex
Dec 20 11:49:42 localhost kernel: e1000: eth0: e1000_watchdog_task: NIC Link is Down
Dec 20 11:49:43 localhost kernel: e1000: eth0: e1000_watchdog_task: NIC Link is Up 100 Mbps Full Duplex
Dec 20 11:49:44 localhost kernel: e1000: eth0: e1000_watchdog_task: NIC Link is Down
Dec 20 11:49:46 localhost kernel: e1000: eth0: e1000_watchdog_task: NIC Link is Up 100 Mbps Full Duplex
........
#mii-tool
eth0: no link
eth1: negotiated 100baseTx-FD flow-control, link ok
#mii-tool
eth0: no link
eth1: negotiated 100baseTx-FD flow-control, link ok
#mii-tool
eth0: negotiated 100baseTx-FD, link ok
eth1: negotiated 100baseTx-FD flow-control, link ok
#mii-tool
eth0: no link
eth1: negotiated 100baseTx-FD flow-control, link ok
#mii-tool
eth0: no link
eth1: negotiated 100baseTx-FD flow-control, link ok
#mii-tool
eth0: no link
eth1: negotiated 100baseTx-FD flow-control, link ok
#mii-tool
eth0: negotiated 100baseTx-FD, link ok
eth1: negotiated 100baseTx-FD flow-control, link ok
......
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