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组网:————(E0130.32.128.1/28)R3680_1(S3:0130.32.129.13)----(S3:0130.32.129.14)R3680_2———— 故障现象:在R3680_1上带源地址130.32.128.1/28pingR3680_2的130.32.129.14地址丢包。
一、打开debug调试开关 Quidway(config)#logging? bufferedSetbufferedloggingparameters consoleSetconsolelogginglevel hostSetlogginghostparameters monitorSetterminalline(monitor)logginglevel onEnableloggingtoallsupporteddestinations Quidway(config)#loggingon Quidway(config)#loggingmonitor 二、做acl匹配数据流 Quidway(config)#access-listnormal100permitip130.32.128.10.0.0.0130.32.129.140.0.0.0 Quidway(config)#access-listnormal100permitip130.32.129.140.0.0.0130.32.128.10.0.0.0 Quidway(config)#access-listnormal100denyipanyany 三、针对acl带开debug Quidway#debuippacket? <1-199>Access-listNumber Quidway#debuippacket100 四、进行测试: Quidway#ping-a130.32.128.1130.32.129.14
告警信息: 无
原因分析: 五、测试结果与处理。 R3680E_1 beijing#ping-a130.32.128.1130.32.129.14 PING130.32.129.14:56databytes,pressCTRL_Ctobreak IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=7791,Offset=0,TTL=255,Protocol=1,Chksum=56533 s=130.32.128.1,d=130.32.129.14,if=Serial3:0,Sending Replyfrom130.32.129.14:bytes=56Sequence=0ttl=255time=39ms IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=15697,Offset=0,TTL=255,Protocol=1,Chksum=1913 s=130.32.129.14,d=130.32.128.1,if=Serial3:0,Received Deliveredtohighlevelprotocol. IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=7795,Offset=0,TTL=255,Protocol=1,Chksum=0 s=130.32.128.1,d=130.32.129.14,if=Serial3:0,Sending Requesttimeout IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=7801,Offset=0,TTL=255,Protocol=1,Chksum=39636 s=130.32.128.1,d=130.32.129.14,if=Serial3:0,Sending Requesttimeout IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=7813,Offset=0,TTL=255,Protocol=1,Chksum=2 s=130.32.128.1,d=130.32.129.14,if=Serial3:0,Sending Replyfrom130.32.129.14:bytes=56Sequence=3ttl=255time=40ms IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=15711,Offset=0,TTL=255,Protocol=1,Chksum=63864 s=130.32.129.14,d=130.32.128.1,if=Serial3:0,Received Replyfrom130.32.129.14:bytes=56Sequence=4ttl=255time=40ms ---130.32.129.14pingstatistics--- 5packetstransmitted 3packetsreceived 40.00%packetloss round-tripmin/avg/max=39/39/40ms beijing#
处理过程: R3680E_1 guangzhou# IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=7791,Offset=0,TTL=255,Protocol=1,Chksum=59799 s=130.32.128.1,d=130.32.129.14,if=Serial3:0,Received Deliveredtohighlevelprotocol. IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=15697,Offset=0,TTL=255,Protocol=1,Chksum=59799 s=130.32.129.14,d=130.32.128.1,if=Serial3:0,Sending IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=7795,Offset=0,TTL=255,Protocol=1,Chksum=58775 s=130.32.128.1,d=130.32.129.14,if=Serial3:0,Received Deliveredtohighlevelprotocol. IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=15699,Offset=0,TTL=255,Protocol=1,Chksum=58775 s=130.32.129.14,d=130.32.128.1,if=Serial4:0,Sending IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=7801,Offset=0,TTL=255,Protocol=1,Chksum=57239 s=130.32.128.1,d=130.32.129.14,if=Serial3:0,Received Deliveredtohighlevelprotocol. IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=15707,Offset=0,TTL=255,Protocol=1,Chksum=57239 s=130.32.129.14,d=130.32.128.1,if=Serial4:0,Sending IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=7813,Offset=0,TTL=255,Protocol=1,Chksum=54167 s=130.32.128.1,d=130.32.129.14,if=Serial3:0,Received Deliveredtohighlevelprotocol. IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=15711,Offset=0,TTL=255,Protocol=1,Chksum=54167 s=130.32.129.14,d=130.32.128.1,if=Serial3:0,Sending IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=7817,Offset=0,TTL=255,Protocol=1,Chksum=53143 s=130.32.128.1,d=130.32.129.14,if=Serial3:0,Received Deliveredtohighlevelprotocol. IP:Version=4,HdrLen=5,TOS=0,TotalLen=84 ID=15713,Offset=0,TTL=255,Protocol=1,Chksum=53143 s=130.32.129.14,d=130.32.128.1,if=Serial3:0,Sending guangzhou# 从测试结果可以看出R3680_2回应R3680_1的报文部分从Serial4:0发送了出去,所以R3680_1无法收到,由此可以判定为R3680_2路由问题,在R3680_2上配置到130.32.128.1/28的静态路由下一条为130.32.129.13后问题解决。在R3680_1上带源地址130.32.128.1/28pingR3680_2的130.32.129.14地址正常不丢包。
建议与总结: 附件:
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