客户使用我司MSR3620与中兴M6000对接,M6000在总部使用CPOS接口,MSR在分支使用E1接口。对接时端口可以UP,但接口错误包很多,通过打环(本地环,远端环)测试,都正常,中兴正常,MSR也正常。同时设备不断打印错包过多提示。
%Oct 9 12:43:37:890 2015 H3C.R1 DRVMSG/1/DRVMSG: Serial3/0: The channel is deactivated because of too many continuous input errors. This problem might be caused by poor signals or improper channel configuration. %Oct 9 12:43:38:024 2015 H3C.R1 DRVMSG/1/DRVMSG: Serial3/1: The channel is deactivated because of too many continuous input errors. This problem might be caused by poor signals or improper channel configuration. %Oct 9 12:43:42:125 2015 H3C.R1 DRVMSG/1/DRVMSG: Serial3/0: The Channelchannel is activated. %Oct 9 12:43:42:125 2015 H3C.R1 DRVMSG/1/DRVMSG: Serial3/1: The Channelchannel is activated. %Oct 9 12:43:42:868 2015 H3C.R1 DRVMSG/1/DRVMSG: Serial3/1: The channel is deactivated because of too many continuous input errors. This problem might be caused by poor signals or improper channel configuration. %Oct 9 12:43:42:951 2015 H3C.R1 DRVMSG/1/DRVMSG: Serial3/0: The channel is deactivated because of too many continuous input errors. This problem might be caused by poor signals or improper channel configuration. %Oct 9 12:43:47:125 2015 H3C.R1 DRVMSG/1/DRVMSG: Serial3/0: The Channelchannel is activated. %Oct 9 12:43:47:125 2015 H3C.R1 DRVMSG/1/DRVMSG: Serial3/1: The Channelchannel is activated. %Oct 9 12:43:47:390 2015 H3C.R1 DRVMSG/1/DRVMSG: Serial3/0: The channel is deactivated because of too many continuous input errors. This problem might be caused by poor signals or improper channel configuration.
通过display interface Serial3/0也可以看到很多CRC错误包
dis int s3/0 Serial3/0 Current state: UP Line protocol state: UP Description: To XingAnMeng_2M_1 Bandwidth: 2048kbps Maximum Transmit Unit: 1500 Hold timer: 10 seconds Physical layer is E1-F, baudrate is 2048000 bps fe1 unframed Internet Address is 24.3.49.178/30 Primary Link layer protocol: PPP LCP: opened, IPCP: stopped, MPLSCP: opened Output queue - Urgent queuing: Size/Length/Discards 0/100/0 Output queue - Protocol queuing: Size/Length/Discards 0/500/0 Output queue - FIFO queuing: Size/Length/Discards 0/75/0 Last clearing of counters: Never Last 300 seconds input rate: 50.74 bytes/sec, 405 bits/sec, 21.55 packets/sec Last 300 seconds output rate: 108.21 bytes/sec, 865 bits/sec, 1.17 packets/sec Input: 49727 packets, 52689 bytes 0 broadcasts, 0 multicasts 4284163 errors, 0 runts, 83 giants 2146270 CRC, 2125016 align errors, 0 overruns 12794 aborts, 0 no buffers, 0 frame errors Output: 1460 packets, 71155 bytes 0 errors, 0 underruns, 0 collisions 0 deferred
通过对中兴和MSR接口分析,发现两端flag不一致导致错包过多
在中兴的M6000-S路由器上将2M接口上的V5字节由原来的001更改为010字节,就通了,MSR3620端无需更改
H3C(config)#controller cpos3-0/2/0/1
H3C(config-ctrl-e1)#flag v5 010
在与中兴对接时注册修改flag参数至一致。
在使用MSR与中兴对接时注意修改flag参数至一致。
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