dell R410网线松动故障

首先发现是在线人数掉线了，之后定位到这台机器，一看message信息吓一跳

赶紧联系机房看下网卡的灯和网线情况，发现确是网线松动导致的。

[13642011.414819] bnx2: eth0 NIC Copper Link is Up, 1000 Mbps full duplex, receive & transmit flow control ON
[13642047.946369] bnx2: eth0 NIC Copper Link is Down
[13642050.800284] bnx2: eth0 NIC Copper Link is Up, 1000 Mbps full duplex, receive & transmit flow control ON
[13642153.460601] bnx2: eth0 NIC Copper Link is Down

Jun 10 17:34:51 192 kernel: [13643274.827289] bnx2: eth0 NIC Copper Link is Up, 1000 Mbps full duplex, receive & transmit flow control ON
Jun 10 17:34:57 192 kernel: [13643281.451497] bnx2: eth0 NIC Copper Link is Up, 1000 Mbps full duplex, receive & transmit flow control ON
Jun 10 18:33:04 192 kernel: [13646767.035661] bnx2: eth0 NIC Copper Link is Up, 1000 Mbps full duplex, receive & transmit flow control ON
Jun 10 18:33:46 192 kernel: [13646808.624739] bnx2: eth0 NIC Copper Link is Up, 1000 Mbps full duplex, receive & transmit flow control ON

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dell R410网线松动故障

原文：http://7938217.blog.51cto.com/7928217/1660613