排查光纤交换机的故障方法VIP免费

报错信息：TimeLevelMessageServiceNumberCountMessageIDSwitch星期四四月03201403:07:00GMT+00:00InformationSwitchstatuschangedfromMARGINALtoHEALTHY.Switch81421FW-1425swd78_02星期四四月03201403:06:42GMT+00:00WarningSwitchstatuschangedfromHEALTHYtoMARGINAL.Switch81401FW-1424swd78_02星期四四月03201403:06:42GMT+00:00WarningSwitchstatuschangecontributingfactorMarginalports:1marginalports.(Port(s)15(0xf))Switch81411FW-1436swd78_02星期四四月03201403:06:07GMT+00:00InformationThelastfabricchangehappenedat:ThuApr303:06:032014Switch81391SNMP-1007swd78_02星期四四月03201403:06:02GMT+00:00WarningPort(ID:15)QOSisdisabledSwitch81381PORT-1010swd78_02星期四四月03201401:17:15GMT+00:00InformationThelastfabricchangehappenedat:ThuApr301:17:092014Switch81371SNMP-1007swd78_02-----------------------------------------------------------------swd78_02:admin>porterrshowframesenccrctootoobadencdisclinklosslossfrjtfbsytxrxinerrshrtlongeofoutc3failsyncsig=====================================================================0:2.3g1.4g000001932036001:66680000013002124002:49m66m0000004036003:1.6m821k0000025001013004:1.2g1.8g00000027036005:49m15m0000000058006:277m2.0g0000000036007:1.0m540k00000190069008:267m257m00000100024009:2.0g2.0g00000000680010:0000000000020011:3.4g1.5g000000180120012:19m230m00000000240013:3.5m1.3m00000000350014:2.6g1.3g000008110680015:3.8g1.0g4770001.4m28385800swd78_02:admin>portshow15portName:portHealth:HEALTHYAuthentication:NoneportDisableReason:NoneportCFlags:0x1portFlags:0x1000490bPRESENTACTIVEE_PORTG_PORTU_PORTLOGICAL_ONLINELOGINLEDportType:11.0PODPort:PortislicensedportState:1OnlineportPhys:6In_SyncportScn:16E_Portportgenerationnumber:74portId:660f00portIfId:4302000fportWwn:20:0f:00:05:1e:7b:e7:bfportWwnofdevice(s)connected:Distance:normalportSpeed:N1GbpsLEdomain:0FCFastwrite:OFFInterrupts:1724Link_failure:8Frjt:0Unknown:0Loss_of_sync:38Fbsy:0Lli:1682Loss_of_sig:58Proc_rqrd:3153170Protocol_err:0Timed_out:0Invalid_word:1448546Rx_flushed:0Invalid_crc:7Tx_unavail:0Delim_err:0Free_buffer:0Address_err:0Overrun:0Lr_in:36Suspended:0Lr_out:15Parity_err:0Ols_in:152_parity_err:0Ols_out:18CMI_bus_err:0BrocadeSwitches–如何确定是SFP或是光纤线导致“LossofLink（丢失链接）”问题问题描述:一个有问题的SFP或光纤线会造成丢失与主机，存储或另一台交换机的连接问题，在交换机的errorlog中可能有如下显示:2007/12/06-23:50:56,[FW-1424],7682,,WARNING,SWITCH_1,SwitchstatuschangedfromHEALTHYtoMARGINAL2007/12/06-23:50:56,[FW-1436],7683,,WARNING,SWITCH_1,SwitchstatuschangecontributingfactorMarginalports:1marginalports.(Port(s)x)问题解决方法:首先确定是由于SFP还是光纤线的问题造成链接丢失，执行下面的命令：检查porterrshow命令的输出：如果仅是"encout"单独报错主要是因为光纤线的问题。如果是"encout"和"crcerr"组合报错主要是GBIC/SFP的问题。要确定是源端还是目标端SFP报错，需要再检查"portshowx"的输出（x代表有问题端口号）如果下面两对参数"Lr_in"和"Ols_out"以及"Lr_out"和"Ols_in"的值相同，则表明SFP运行正常如果一个数值明显高于另一个,连接问题可能出现在交换机连接的对端("in">"out")或是交换机本身("out">"in").注意：如果”Ols_in”的值高于“Lr_out”的值，问题的根源大多数情况与连接的设备相关，(sendingthoseofflinesequences)并且交换机通过"linkreset"对此做出响应。参数解释：enc_out->Encodingerroroutsideofframescrcerr->FrameswithCRCerrorsLr_in->LinkresetIn(primitivesequence),doesnotapplytoFL_PortLr_out->LinkresetOut(primitivesequence),doesnotapplyto...