Ubuntu中文论坛

用的是校园网，路由器，google可以上百度上不了，126.com可以上，163.com上不了，校园网的都可以上
其他人都没有问题，我换成windows也没有问题
~$ ping http://www.baidu.com
PING http://www.a.shifen.com (220.181.111.147) 56(84) bytes of data.
From kubuntu.local (192.168.18.52) icmp_seq=1 Destination Host Unreachable
From kubuntu.local (192.168.18.52) icmp_seq=2 Destination Host Unreachable
From kubuntu.local (192.168.18.52) icmp_seq=3 Destination Host Unreachable
From kubuntu.local (192.168.18.52) icmp_seq=5 Destination Host Unreachable
From kubuntu.local (192.168.18.52) icmp_seq=6 Destination Host Unreachable
From kubuntu.local (192.168.18.52) icmp_seq=7 Destination Host Unreachable

其中192.168.18.52是我自己的ip

~$ ping forum.ubuntu.org.cn
PING forum.ubuntu.org.cn (202.55.5.47) 56(84) bytes of data.
64 bytes from 202.55.5.47: icmp_req=4 ttl=45 time=72.2 ms
64 bytes from 202.55.5.47: icmp_req=5 ttl=45 time=71.4 ms
64 bytes from 202.55.5.47: icmp_req=6 ttl=45 time=71.3 ms
64 bytes from 202.55.5.47: icmp_req=7 ttl=45 time=71.6 ms
64 bytes from 202.55.5.47: icmp_req=8 ttl=45 time=71.5 ms


~$ traceroute http://www.baidu.com
traceroute to http://www.baidu.com (220.181.111.147), 30 hops max, 60 byte packets
1 kubuntu.local (192.168.18.52) 3002.501 ms !H 3002.499 ms !H 3002.492 ms !H



~$ traceroute forum.ubuntu.org.cn
traceroute to forum.ubuntu.org.cn (202.55.5.47), 30 hops max, 60 byte packets
1 192.168.18.1 (192.168.18.1) 0.230 ms 0.214 ms 0.174 ms
2 * * *
3 * * *
4 * * *
5 * * *
6 * 202.112.53.33 (202.112.53.33) 1.893 ms 2.382 ms
7 202.112.36.173 (202.112.36.173) 15.989 ms 5.930 ms 6.241 ms
8 202.127.216.41 (202.127.216.41) 18.442 ms 18.388 ms 18.797 ms
9 202.112.36.70 (202.112.36.70) 44.547 ms 44.549 ms 43.730 ms
10 202.112.36.250 (202.112.36.250) 44.088 ms 43.291 ms 44.073 ms
11 202.112.36.38 (202.112.36.38) 50.334 ms 49.709 ms 50.320 ms
12 202.127.216.202 (202.127.216.202) 49.195 ms 49.193 ms 49.416 ms
13 202.97.15.21 (202.97.15.21) 49.728 ms 50.114 ms 49.717 ms
14 202.97.50.157 (202.97.50.157) 45.111 ms 45.051 ms 45.088 ms
15 202.97.50.230 (202.97.50.230) 50.436 ms 50.395 ms 50.410 ms
16 202.97.35.82 (202.97.35.82) 45.738 ms 45.746 ms 45.737 ms
17 202.97.60.93 (202.97.60.93) 45.726 ms 56.750 ms 56.619 ms
18 59.43.80.29 (59.43.80.29) 46.190 ms 46.127 ms 46.051 ms
19 59.43.248.118 (59.43.248.118) 71.599 ms 71.537 ms 71.974 ms
20 59.43.248.254 (59.43.248.254) 71.951 ms 71.902 ms 71.911 ms
21 59.43.249.98 (59.43.249.98) 75.343 ms 75.368 ms 76.131 ms
22 * * *
23 * * *
24 * * *
25 * * *
26 * * *
27 * * *
28 * * *
29 * * *
30 * * *


有谁知道怎么回事吗？

刚刚用livecd试了一下发现也没有问题，这到底怎么回事？？

关注！别沉了。

会不会是DNS的问题？

ping的时候解析出了地址，应该不是dns的问题