7353用户端口排障

更改历RevisionChangeChangeFGPA错误Switch5389CPUADSL端口LT占用LT带宽问题目 范 排障思路概 排障步 数据配置及状态检 流量检 MAC地址学习检 检查Switch5389上各接口状 CPUOverload检 镜像抓 目范适用于FixedAccess产品的现场工程师排障思路概对用户端口的排障来说，首先应确保相关配置数据准确无误；其次确保7353LT侧端口应block的，结合/激活命令，或插拔、替换等硬件来排除故障。如检查后仍无异常，则再通过对上连口镜像抓包来判断该故障是否与有关。NT内各软件模块间的流量检查只能依靠Trace&Debug命令进行。所谓对7353的上连口镜像抓包则在Switch5389上进行。排障步数据配置及状态检 对于线路质量不佳的XDSL线路，建议通过修改所绑定的SpectrumProfile，关闭对于延时要求较高的XDSL线路，建议通过修改所绑定的ServiceProfile，以确保其交织深> "XDSL-1-1-1-1:PRBNDLPATTUP,\"00000000000000000000"XDSL-1-1-1-1:PRBNDSIGATTUP,\"00000000000000000000"XDSL-1-1-1-1:PRBNDNSMARUP,\"00000000000000000000\"""XDSL-1-1-1-1:PRBNDLPATTDN,\"00000000000000000000"XDSL-1-1-1-1:PRBNDSIGATTDN,\"00000000000000000000"XDSL-1-1-1-1:PRBNDNSMARDN,\"00000000000000000000\""Line105status: :Selected :VDSLprofile :0(none)Loopbackmode :0(Disabled)LastFirstNENE:FE:LastFirstFENE:FE:LastFirstNENE:FE:LastFirstFENE:FE:LastShowtimeExitFailureNE: FE:LastShowtimeup:LastEventTimeLog:LastEventTimeLog:LastEventTimeLog:LastEventTimeLog:LastEventTimeLog:LastTransmitted:LastRetrain:LastParamValidationFaiActualElectricalLengthActualUS0maskSNRlure:::US:DS:LATN:SATN:SNRM:TXPWR:OutputpowerReferencePSDElectricalLengthAttainablebitrateActualLinebitrateLoopDelayB0ActualbitLATN:US:US:-US:US:US:US:US:US:US:US:SATN:DS:DS:-DS:DS:DS:DS:DS:DS:DS:DS:SNRM:TXPWR:B0latencypathnbB0delayB0B0TPSTCUS:US:US::DS:DS:DS:B0US:DS:B0US:DS:B0US:DS:B0US:DS:B0US:DS:B0US:DS:B0US:DS:B0US:DS:B0US:DS:B0US:DS:B0US:DS:B0US:DS:B0codingUS:DS:B0US:DS:B0US:DS:B0US:DS:B1CurrentUS:DS:ChangedUS:DS:检查XDSL端口的ATMPVC，以及绑定的VLAN等数据。需注意分配给端口的可学习MAC地 流量检死/激活命令，或插拔、替换等硬件来排除故障。{nt1101}[USR0-s]>bcmgetCounters0Line96Current15minNE:FE:NE:FE:NE:FE:NE:FE:NE:FE:NE:FE:NE:FE:LOLSNE&LPRSNE:FE:B0NE:FE:B0NE:FE:B0Uncorr.NE:B0NE:FE:B0NE:FE:B0NE:FE:B0totalNE:B0totaluserNE:FE:B0hecNE:FE:B0overflowNE:FE:B0bitNE:FE:B1NE:FE:B1NE:FE:B1Uncorr.NE:B1NE:FE:B1NE:FE:B1NE:FE:B1totalNE:FE:B1totaluserNE:FE:B1hecNE:FE:B1overflowNE:FE:B1bitNE:FE:FailedFull:SuccessfulFull:Near Far Up Period Elapsedtimein15 Elapsedtimein24 检查PA转发流量。命令bmpggt62是检查上行。命令bmpggt02是检查下行。如下命令结果中，红色字体为正确包统计，蓝色字体为错误包统计。因此正常情况下，执行几次命令后，红色字体数字应有变化，而蓝色字体数字应一直为。{nt1101}[USR0-s]>ccbcmfpgaget5760:359{nt1101}[USR0-s]>ccbcmfpgaget5760:5e{nt1101}[USR0-s]>ccbcmfpgaget5600:10f{nt1101}[USR0-s]>ccbcmfpgaget5600:d8如果命令ccbcmfpgaget5762检查后发现蓝色字体数字非0，且变化很大时，则说明检查FPGA对应各LT的报文统计。其中每2行对应一个LT槽位，即0、10对应LT1；20 ]>ccbcmfpgaget0x3500128 000000000000000010:00000000000000020:8f7e228f7e1d8f7e1d8f7e1d8f7e1d8f7e0a8f7e1e8f7e1e8f7e1e8f7e0c8f7e0c8f7e238f7e238f7e228f7e038f7e1830:8f7e188f7e188f7e0a8f7e1a8f7e1a8f7e1a8f7e1a8f7e048f7e218f7e218f7e218f7e0d8f7e0d8f7e218f7e218f7e2140:132290033fb402ba20000218f000050:00000000000000060:00000000000000070:000000000000000检查对应各LT的设置情况。即检查对应FPGA寄存器0x7c返回值的第二位，其为十六0xxxx{nt1101}[USR0-s]>ccbcmfpgaget0x7c20:70此外，某些异常情况下会出现FPGA失锁故障，可以通过命令ccbcmfpgaget0x302来FPGA正{nt1101}[USR0-s]>ccbcmfpgaget0x3020:0FPGA失 ]>ccbcmfpgaget0x3020:检查NP的转发流量。命令ccsetcounter31打开debug；命令ccsetcounter0是把counter清0；命令ccshowcounter0是查看具体的counter变化。其中UpstreamForwardPackets为上行，DownstreamForwardedPackets为下行。 ]>ccsetcounter3SetDBGCOUNTERFlag(Baseaddress0xca002c28)as ]>ccsetcounterWARNING::SetValueisnotinputed,AllDBGCounterwillbeclearedtoZero!!SetUpstreamDBGCounter(Baseaddress0x5dcdc00)valueas0SetDownstreamDBGCounter(Baseaddress0x5dcdc40)valueas ]>ccshowcounterDBGGlobalCounterFlag(Baseaddress0xca002c28)isEnabledGETxInterfaceFlag(Baseaddress0xca002c2c)isDisabledGERxInterfaceFlag(Baseaddress0xca002c30)isDisabledCountvaluesofUpstreamDBGGlobalCounter(Baseaddress0x5dcdc00)UpstreamReceivedPackets 83(@0x5dcdc00)UpstreamForward 44UpstreamToOBC 2UpstreamFromOBC 40CountvaluesofDownstreamDBGGlobalCounter(Baseaddress0x5dcdc40)DownstreamReceivedPackets 50(@0x5dcdc40)DownstreamForwarded 46DownstreamToOBC 4DownstreamFromOBC 0针对NP到Switch的上行通道方向，命令ccbcmspiget391364ccbcmspiget391444{nt1101}[USR0-s]>ccbcmspiget39136page0x27,addr0x88,registervalue0x847111Entrysuccessfullyadded.{nt1101}[USR0-s]>ccbcmspiget39144page0x27,addr0x90,registervalue0x3bd9Entrysuccessfullyadded.针对NP到Switch的下行通道方向，命令ccbcmspiget39244ccbcmspiget39164 ]>ccbcmspiget3924page0x27,addr0x18,registervalue0xbc88c8Entrysuccessfullyadded. ]>ccbcmspiget3916page0x27,addr0x10,registervalue0xd46Entrysuccessfullyadded.针对Switch到XPON的上行通道方向，命令ccbcmspiget33244是查看单播的流变化。ccbcmspiget33164 ]>ccbcmspiget33244page0x21,addr0x18,registervalue0x10761f5Entrysuccessfully{nt1101}[USR0-s]>ccbcmspiget3316page0x21,addr0x10,registervalue0x3bcaEntrysuccessfullyadded.针对Switch到XPON的下行通道方向，命令ccbcmspiget331364是查看单播的流变化。ccbcmspiget331444{nt1101}[USR0-s]>ccbcmspiget33136page0x21,addr0x88,registervalue0x17ad976Entrysuccessfullyadded.{nt1101}[USR0-s]>ccbcmspiget33144page0x21,addr0x90,registervalue0xd42Entrysuccessfullyadded.MAC地址学习检成。因此正常情况下，如果XDSLFGPANP整个上行通道转发正常，则NP就能学习到用户检查Switch5389上各接口状如前图，7353中VOIPDSP、NT/IO、NP等功能模块都与Switch5389连接，故障时可以检查Switch5389上这些接口的状态是否正常。Switch5389端7353各功能模T&D命PortVOIPccbcmspiget162Portccbcmspiget172Portccbcmspiget182Portccbcmspiget222Portccbcmspiget232需要执行2遍命令。当执行第2遍命令后，如registervalue的最后一位是d，则表示接口{nt1101}[USR0-s]>ccbcmspiget162page0x10,addr0x2,registervalue0x169Entrysuccessfullyadded.{nt1101}[USR0-s]>ccbcmspiget162page0x10,addr0x2,registervalue0x16dEntrysuccessfullyadded.CPUOverload检某些异常情况下会出现7353NTCPUOverload ]>cpulstart0Cpuloadmonitorstarted,interval:0!CPU正 ]>cpulshow0Wehave19recordsinvalid!Recordtimestartat5:3:28,11th/3,70Recordtimeendat5:3