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本帖最后由 Frank7258 于 20.12.2009 20:31 编辑 " Y* j# U6 D0 F" c* b. _. P4 y
未必,视网络情况而定,自己ping一下就大概知道了
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fuchs 发表于 20/12/2009 00:09 ![]()
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这个速度差距还是比较明显的:
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ping LRZ网内的DNS:# @ s. k# r9 D" z7 Z
kan@kan-laptop:~$ ping 10.149.64.2 -c 55 ~# ^# N2 i! q% f4 i) n$ e# u0 ^$ ]
PING 10.149.64.2 (10.149.64.2) 56(84) bytes of data.
7 k! f/ }& e3 a# H' d* d64 bytes from 10.149.64.2: icmp_seq=1 ttl=62 time=0.497 ms
0 ^" Z) @2 b* v2 {9 s$ [" Y4 a64 bytes from 10.149.64.2: icmp_seq=2 ttl=62 time=0.379 ms9 R6 x; v( r* I. k
64 bytes from 10.149.64.2: icmp_seq=3 ttl=62 time=0.337 ms
9 l/ |* O0 g0 Z% B64 bytes from 10.149.64.2: icmp_seq=4 ttl=62 time=0.380 ms& A6 ~" |6 N7 z6 o9 F$ E
64 bytes from 10.149.64.2: icmp_seq=5 ttl=62 time=0.522 ms% z1 T# ^' P5 H4 _* \. t( S
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7 b8 d% n j% {6 G- t--- 10.149.64.2 ping statistics ---% v1 B! p0 P! R/ J
5 packets transmitted, 5 received, 0% packet loss, time 4004ms
4 [+ \' Q6 S9 N" ^" l# m6 k0 ~rtt min/avg/max/mdev = 0.337/0.423/0.522/0.072 ms
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ping Google DNS:
4 a" g8 e& ~% K( \kan@kan-laptop:~$ ping 8.8.8.8 -c 5
1 c3 i+ e' l* u, aPING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
6 W7 j% c# H1 j% p% D64 bytes from 8.8.8.8: icmp_seq=1 ttl=241 time=15.7 ms
- O7 X$ E: n. ~64 bytes from 8.8.8.8: icmp_seq=2 ttl=241 time=21.0 ms3 ^6 ]6 o+ f, y$ o1 j
64 bytes from 8.8.8.8: icmp_seq=3 ttl=241 time=19.6 ms
& c/ Y4 \% l: }# ^' l64 bytes from 8.8.8.8: icmp_seq=4 ttl=241 time=18.7 ms
0 K2 P0 T' m+ _5 k* r: s64 bytes from 8.8.8.8: icmp_seq=5 ttl=241 time=15.2 ms$ h u) ?. `: D2 ~1 w
+ E; K j% }) ~+ b q9 Y--- 8.8.8.8 ping statistics ---
, e: y3 y7 N- Z- i6 C& U5 packets transmitted, 5 received, 0% packet loss, time 4006ms
9 u+ h5 R. g7 i$ f ortt min/avg/max/mdev = 15.253/18.097/21.016/2.232 ms
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traceroute 8.8.8.8' _/ Q l; L* s8 K
kan@kan-laptop:~$ sudo tracert 8.8.8.8
' q7 n' l$ c: @6 l% C8 m5 }9 Straceroute to 8.8.8.8 (8.8.8.8), 30 hops max, 60 byte packets# x7 ]1 P& A' |6 h
1 10.149.71.86 (10.149.71.86) 6.920 ms 6.918 ms *
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6 * natomat1-int.lrz-muenchen.de (138.246.99.4) 3.815 ms 3.650 ms
% P [5 a. C- e 7 vl-392.csr1-2wr.lrz-muenchen.de (138.246.99.29) 4.096 ms 4.117 ms 4.115 ms
' B1 J9 p ?6 Y6 m+ \7 S Z, [ 8 xr-gar1-te1-3-147.x-win.dfn.de (188.1.37.89) 4.806 ms 5.039 ms *
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14 google-public-dns-a.google.com (8.8.8.8) 14.428 ms 13.395 ms 14.635 ms |
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