看板Config
标 题中研院与国高的双路由问题 ? I2 还是有差别 !
发信站中央大学松涛风情资讯站 (Fri Jan 2 23:11:11 2004)
转信站ptt!ctu-reader!ctu-peer!news.nctu!news.CDPA.nsysu!news.nsysu!news.ccu!
> > > 中研院有专线到日本与欧洲, 国高有专线到 I2 , 从I2也能到日本与欧洲,
> > > 但两者有差别. 国立大学的 IP 都被骨干 router 强制送到 I2 , 走 I2.
> > > 这是从中央的 ip 140.115.X.X (I2) 送出的结果:
=============
这一段应该是 Y.L. Chang 的势力范围了:
竟然 I2 的 ip 被从 140.109.251.145 就赶下车, 沿途停靠 abilene 回来.
相差约 20 ms , 被国外中研院的 router 赶下车总不会觉得有乡亲的感觉.
请 Y.L. Chang 费心留意一下. 拜托不要齐头变慢, 像 ucl.ac.uk 就不让
人觉得有直达欧洲 !
su-2.03# traceroute www.cern.ch
traceroute to webr2.cern.ch (137.138.28.230), 30 hops max, 40 byte packets
1 cache (140.115.13.3) 0.502 ms 0.368 ms 0.372 ms
2 163.28.48.65 (163.28.48.65) 0.726 ms 0.469 ms 0.480 ms
3 TANetBackbone-MOE.edu.tw (192.83.196.111) 1.407 ms 1.329 ms 1.317 ms
4 203.72.43.210 (203.72.43.210) 1.350 ms 1.257 ms 1.327 ms
5 203.72.43.245 (203.72.43.245) 1.490 ms 1.524 ms 1.462 ms
6 m160-1-2-0.100.TaipeiGigaPoP.ascc.net (140.109.251.50) 1.775 ms 1.885 ms
1.717 ms
7 m20-0-3-0-OC12.chi.us.ascc.net (140.109.251.61) 181.334 ms 181.334 ms 181
.181 ms
8 StarLight.CERN.ch (140.109.251.145) 193.939 ms 192.325 ms 193.501 ms
9 cernh5-so-000.cern.ch (192.65.184.54) 308.800 ms 308.587 ms 309.060 ms
10 cernh2-vlan2.cern.ch (192.65.192.2) 313.149 ms 310.276 ms 309.755 ms
11 webr2.cern.ch (137.138.28.230) 313.644 ms 310.162 ms 309.611 ms
12 webr2.cern.ch (137.138.28.230) 310.327 ms 309.593 ms 309.853 ms
13 webr2.cern.ch (137.138.28.230) 309.510 ms 309.652 ms 310.367 ms
14 webr2.cern.ch (137.138.28.230) 310.284 ms 316.964 ms 310.152 ms
su-2.03# ping -R -c 1 140.109.251.145
PING 140.109.251.145 (140.109.251.145): 56 data bytes
64 bytes from 140.109.251.145: icmp_seq=0 ttl=246 time=210.492 ms
RR: cache.tyrc.edu.tw (163.28.48.67)
192.83.175.115
GE-cht-MOECC.TaipeiGigaPoP.ascc.net (140.109.251.53)
m160-2-0-0-OC12.tw.ascc.net (140.109.251.62)
GE-160.StarLight.ascc.net (140.109.251.146)
StarLight.CERN.ch (140.109.251.145)
chinng-iplsng.abilene.ucaid.edu (198.32.8.76)
iplsng-kscyng.abilene.ucaid.edu (198.32.8.80)
kscyng-dnvrng.abilene.ucaid.edu (198.32.8.14)
--- 140.109.251.145 ping statistics ---
--
◎ Origin: 中央松涛站□bbs.ee.ncu.edu.tw From: 140.115.6.234