2
回答
smokeping 主从模式不成功,抓包如下,帮忙分析下每一句,感觉不尽。
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[root@master etc]# tcpdump -nn tcp and host 119.120.92.220 
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on em1, link-type EN10MB (Ethernet), capture size 65535 bytes
10:57:22.320991 IP 119.120.92.220.33433 > 121.201.1.3.80: Flags [S], seq 2354386826, win 14600, options [mss 1460,sackOK,TS val 4069154840 ecr 0,nop,wscale 7], length 0
10:57:22.321020 IP 121.201.1.3.80 > 119.120.92.220.33433: Flags [S.], seq 2400751611, ack 2354386827, win 14480, options [mss 1460,sackOK,TS val 4122649990 ecr 4069154840,nop,wscale 7], length 0
10:57:22.321575 IP 119.120.92.220.33433 > 121.201.1.3.80: Flags [.], ack 1, win 115, options [nop,nop,TS val 4069154841 ecr 4122649990], length 0
10:57:22.374418 IP 119.120.92.220.33433 > 121.201.1.3.80: Flags [P.], seq 1:555, ack 1, win 115, options [nop,nop,TS val 4069154893 ecr 4122649990], length 554
10:57:22.374454 IP 121.201.1.3.80 > 119.120.92.220.33433: Flags [.], ack 555, win 122, options [nop,nop,TS val 4122650044 ecr 4069154893], length 0
10:57:22.374703 IP 121.201.1.3.80 > 119.120.92.220.33433: Flags [P.], seq 1:622, ack 555, win 122, options [nop,nop,TS val 4122650044 ecr 4069154893], length 621
10:57:22.374858 IP 121.201.1.3.80 > 119.120.92.220.33433: Flags [F.], seq 622, ack 555, win 122, options [nop,nop,TS val 4122650044 ecr 4069154893], length 0
10:57:22.375274 IP 119.120.92.220.33433 > 121.201.1.3.80: Flags [.], ack 622, win 124, options [nop,nop,TS val 4069154894 ecr 4122650044], length 0
10:57:22.388799 IP 119.120.92.220.33433 > 121.201.1.3.80: Flags [F.], seq 555, ack 623, win 124, options [nop,nop,TS val 4069154908 ecr 4122650044], length 0
10:57:22.388820 IP 121.201.1.3.80 > 119.120.92.220.33433: Flags [.], ack 556, win 122, options [nop,nop,TS val 4122650058 ecr 4069154908], length 0

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