interface atm 1/0/0 //需要进行环回测试的ATM二层端口! inter atm 0.1 point-to-point atm pvc 0 100 interface atm 0/1/0 0 100 encap aal5snap ip address 172.31.20.1 255.255.255.0!高考心理辅导 |
Router>show controllers atm 3/0/3 IF Name: ATM3/0/3 Chip Ba Address: BC38E000 Port type: OC3 Port rate: 155000 Kbps Port medium: MM Fiber Port status:Good Signal Loopback:None Flags:8308 ... Key: txcell - # cells transmitted rxcell - # cells received b1 - # ction BIP-8 errors b2 - # line BIP-8 errors b3 - # path BIP-8 errors ocd - # out-of-cell delineation errors - not implemented g1 - # path FEBE errors z2 - # line FEBE errors chcs - # correctable HEC errors uhcs - # uncorrectable HEC errors txcell:275849733, rxcell:143010088 b1:26, b2:104, b3:34, ocd:0 g1:12, z2:0, chcs:0, uhcs:20 ... |
冰与火之歌 权力的游戏 |
R1#ping Protocol [ip]: Target IP address: 172.31.20.254 //ping R2地址 Repeat count [5]: 1 ... Sending 1, 100-byte ICMP Echos to 172.31.20.254, timeout is 2 conds: indicate是什么意思! Success rate is 100 percent (1/1), round-trip min/avg/max = 8/8/8 ms (debug 输出) Apr 10 12:19:03.994: IP: s=172.31.20.1 (local), d=172.31.20.254 (Serial4/0/0), len 100, nding Apr 10 12:19:03.994: ICMP type=8, code=0 R1发出一个Echo Request(type=8),R2收到后以Echo Reply 相应 Apr 10 12:19:04.002: IP: s=172.31.20.254 (Serial4/0/0), d=172.31.20.1 (Serial4/0/0), len 100, rcvd 3 Apr 10 12:19:04.002: ICMP type=0, code=0 R1收到Echo Reply(type=0),计算延时(002-994=8ms)。 2017年2月16日R1#ping Protocol [ip]: Target IP address: 172.31.20.1 //ping R1自己的地址 Repeat count [5]: 1 Sending 1, 100-byte ICMP Echos to 172.31.20.1, timeout is 2 conds: Success rate is 100 percent (1/1), round-trip min/avg/max = 16/16/16 ms (debug 输出) Apr 10 12:18:00.106: IP: s=172.31.20.1 (local), d=172.31.20.1 (Serial4/0/0), len 100, nding Apr 10 12:18:00.106: ICMP type=8, code=0 R2发出一个Echo Request(type=8) Apr 10 12:18:00.114: IP: s=172.31.20.1 (Serial4/0/0), d=172.31.20.1 (Serial4/0/0), len 100, rcvd 3 Apr 10 12:18:00.114: ICMP type=8, code=0 R2收到Echo Request,判断的目标地址为R1,所以将包发回 Apr 10 12:18:00.114: corrupt IP: s=172.31.20.1 (local), d=172.31.20.1 (Serial4/0/0), len 100, nding Apr 10 12:18:00.114: ICMP type=0, code=0 R1收到自己发出的Echo Request,以Echo Reply(type=0)相应并通过端口发送 Apr 10 12:18:00.122: IP: s=172.31.20.1 (Serial4/0/0), d=172.31.20.1 (Serial4/0/0), len 100, rcvd 3 Apr 10 12:18:00.122: ICMP type=0, code=0 R2将包发回。R1收到Echo Reply (type=0),remember的用法计算延时(112-106=16ms)。 |
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