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已经好了,但是还是不明白\r\n答案是主机 192.168.1.200 停电关机了。。。\r\n但是tracroute看起来像是网络故障,在另外一台同样系统的网关上traceroute显示的是正确的\r\n\r\ntraceroute 时tcpdump抓的包\r\nuser@xxx:~$ traceroute -n 192.168.1.200\r\ntraceroute to 192.168.1.200 (192.168.1.200), 30 hops max, 38 byte packets\r\n 1 192.168.1.200 0.861 ms 0.783 ms 0.916 ms\r\n 2 * * *\r\n\r\nroot@xxx:~# tcpdump -n host 192.168.1.200\r\ntcpdump: listening on eth0\r\n09:23:03.205381 192.168.0.3.54114 > 192.168.1.200.33435: udp 10 [ttl 1]\r\n09:23:03.205892 192.168.1.200 > 192.168.0.3: icmp: time exceeded in-transit\r\n09:23:03.206506 192.168.0.3.54114 > 192.168.1.200.33436: udp 10 [ttl 1]\r\n09:23:03.207026 192.168.1.200 > 192.168.0.3: icmp: time exceeded in-transit\r\n09:23:03.207489 192.168.0.3.54114 > 192.168.1.200.33437: udp 10 [ttl 1]\r\n09:23:03.208167 192.168.1.200 > 192.168.0.3: icmp: time exceeded in-transit\r\n09:23:03.208714 192.168.0.3.54114 > 192.168.1.200.33438: udp 10\r\n09:23:03.209265 arp who-has 192.168.1.200 (ca:fa:0:0:0:0) tell 192.168.1.100\r\n09:23:08.206000 192.168.0.3.54114 > 192.168.1.200.33439: udp 10\r\n09:23:08.206428 arp who-has 192.168.1.200 tell 192.168.1.100\r\n09:23:13.206063 192.168.0.3.54114 > 192.168.1.200.33440: udp 10\r\n09:23:13.206510 arp who-has 192.168.1.200 tell 192.168.1.100\r\n\r\n192.168.0.3是1台网关,在/etc/ethers指定了192.168.1.200的mac地址,有个接口eth0: 192.168.0.3与192.168.1.200处于同一个网段内,192.168.1.100是另外一台主机,为什么会出现?\r\n\r\n不知道上面是否合理,或者根本就是RPWT遇到的系统故障/bug |
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