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root@wuLaptop:~# tracepath www.sina.com.cn
1?: [LOCALHOST] pmtu 1500
1: 4_WAN_Broadband_Router.4_WAN_Broadband_Router (192.168.1.1) 1.081ms
2: 211.154.132.233 (211.154.132.233) 5.658ms
3: 121.15.11.133 (121.15.11.133) 9.986ms
4: 4_WAN_Broadband_Router.4_WAN_Broadband_Router (192.168.1.1) asymm 1 1.116ms pmtu 1492
5: 121.15.141.177 (121.15.141.177) asymm 6 40.964ms
6: 202.97.64.50 (202.97.64.50) asymm 7 46.517ms
7: 58.60.188.161 (58.60.188.161) 8.984ms
8: 219.133.30.189 (219.133.30.189) 14.305ms
9: 121.15.179.94 (121.15.179.94) asymm 10 9.045ms
10: 121.15.141.181 (121.15.141.181) asymm 11 14.207ms
11: 202.97.25.198 (202.97.25.198) asymm 12 15.885ms
12: 219.136.246.238 (219.136.246.238) 11.850ms
13: 219.136.246.2 (219.136.246.2) 12.598ms
14: 58.63.232.197 (58.63.232.197) 11.970ms
15: 58.63.236.39 (58.63.236.39) 16.534ms reached
Resume: pmtu 1492 hops 15 back 15
谁帮我看看,,
第1和第4,为什么是一样的?
这样是不是网络出现回路了???
asymm ,,又是什么意思? |
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