First found that the online number of people dropped, and then to the machine, a look at the message information scare jump
Hurry to contact the computer room to see the network card lamp and network cable situation, found that the cable is loose caused.
[13642011.414819] Bnx2:eth0 NIC Copper Link is up, with a full duplex of Mbps, receive & transmit flow control on
[13642047.946369] Bnx2:eth0 NIC Copper Link is down
[13642050.800284] Bnx2:eth0 NIC Copper Link is up, with a full duplex of Mbps, receive & transmit flow control on
[13642153.460601] Bnx2:eth0 NIC Copper Link is down
June 17:34:51 192 kernel: [13643274.827289] Bnx2:eth0 NIC Copper Link is up, + Mbps full duplex, receive & Trans MIT flow Control on
June 17:34:57 192 kernel: [13643281.451497] Bnx2:eth0 NIC Copper Link is up, + Mbps full duplex, receive & Trans MIT flow Control on
June 18:33:04 192 kernel: [13646767.035661] Bnx2:eth0 NIC Copper Link is up, + Mbps full duplex, receive & Trans MIT flow Control on
June 18:33:46 192 kernel: [13646808.624739] Bnx2:eth0 NIC Copper Link is up, + Mbps full duplex, receive & Trans MIT flow Control on
This article is from the "7928217" blog, please be sure to keep this source http://7938217.blog.51cto.com/7928217/1660613
Dell R410 Network cable Loose fault