我正在尝试理解为什么跟踪路由的结束在不同站点之间有所不同。以下三个输出长期以来一直保持不变。
使用：http://centralops.net/co/Traceroute.aspx
user: anonymous [41.69.91.120]
balance: 47 units
log in | account info
CentralOps.net
Tracing route to 41.69.91.120 [41.69.91.120]...
hop rtt rtt rtt ip address fully qualified domain name
1 0 0 0 208.101.16.73 208.101.16.73-static.reverse.softlayer.com
2 0 0 0 66.228.118.157 ae11.dar02.sr01.dal01.networklayer.com
3 0 0 0 173.192.18.212 ae6.bbr02.eq01.dal03.networklayer.com
4 0 0 0 157.238.224.229 ae-11.r01.dllstx04.us.bb.gin.ntt.net
5 0 0 0 129.250.3.232 ae-5.r08.dllstx09.us.bb.gin.ntt.net
6 0 1 0 173.241.131.121 ae16.dal33.ip4.gtt.net
7 130 130 137 89.149.186.42 xe-0-2-0.mrs10.ip4.gtt.net
8 162 161 161 77.67.95.114 telecom-egypt-gw.ip4.gtt.net
9 * * *
10 164 164 167 41.33.197.150 host-41.33.197.150.tedata.net
11 * * *
12 194 192 193 41.69.91.120
Trace complete
-- end --
-----------------------------------------------------------------------------------/
使用：http://traceroute.fmc.lu/cgi-bin/traceping.pl
Traceroute for 41.69.91.120 Date: Friday 07 November 2014
Hour: 14:48:31 UTC
traceroute to 41.69.91.120 (41.69.91.120), 30 hops max, 60 byte packets
1 FMC_SCHNADT_ROUTER (80.92.66.1) 0.216 ms 0.280 ms 0.351 ms
2 80-92-83-199.ip.dclux.com (80.92.83.199) 0.212 ms 0.215 ms 0.219 ms
3 80-92-83-193.ip.dclux.com (80.92.83.193) 0.455 ms 0.447 ms 0.440 ms
4 Port-c.410.asr1.AMS2.gblx.net (64.208.205.149) 7.477 ms 7.559 ms 7.630 ms
5 xe5-0-2-10G.scr4.AMS2.gblx.net (67.17.71.217) 14.851 ms xe5-0-2-10G.scr3.AMS2.gblx.net (67.17.71.213) 8.494 ms 8.495 ms
6 ae0.ar9.AMS2.gblx.net (67.16.146.126) 8.491 ms ae1.ar9.AMS2.gblx.net (67.16.130.182) 14.898 ms ae0.ar9.AMS2.gblx.net (67.16.146.126) 8.483 ms
7 4.68.110.197 (4.68.110.197) 10.987 ms 7.838 ms 10.958 ms
8 ae-2-5.edge1.Marseille1.Level3.net (4.69.148.14) 31.142 ms 28.063 ms ae-1-4.edge1.Marseille1.Level3.net (4.69.148.10) 31.357 ms
9 TE-DATA-EGY.edge1.Marseille1.Level3.net (212.73.206.14) 77.422 ms 77.398 ms 80.620 ms
10 * * *
11 host-41.33.197.154.tedata.net (41.33.197.154) 77.467 ms host-41.33.197.150.tedata.net (41.33.197.150) 83.444 ms host-41.33.197.154.tedata.net (41.33.197.154) 77.584 ms
12 * * *
13 * * *
14 * * *
15 * * *
16 * * *
17 * * *
18 * * *
19 * * *
20 * * *
21 * * *
22 * * *
23 * * *
24 * * *
25 * * *
26 * * *
27 * * *
28 * * *
29 * * *
30 * * *
----------------------------------------------------------------------------------/
使用：镜子结果 - dal33.ip4.tinet.net
Date: Fri Nov 7 14:48:35 2014 CET
Query:
Argument(s): 41.69.91.120
traceroute to 41.69.91.120 (41.69.91.120), 12 hops max, 40 byte packets
1 xe-7-2-0.mrs10.ip4.gtt.net (89.149.182.230) 132.071 ms xe-5-1-0.mrs10.ip4.gtt.net (89.149.182.226) 129.878 ms xe-10-2-0.mrs10.ip4.gtt.net (89.149.185.153) 132.636 ms
2 telecom-egypt-gw.ip4.gtt.net (77.67.95.114) 161.193 ms 220.415 ms 234.411 ms
3 * * *
4 host-41.33.197.150.tedata.net (41.33.197.150) 174.757 ms 173.153 ms host-41.33.197.146.tedata.net (41.33.197.146) 185.153 ms
5 * * *
6 * * *
7 * * *
8 * * *
9 * * *
10 * * *
11 * * *
12 * * *
{master}
--------------------------------------------------------------------------------/
使用：http://traceroute.monitis.com/
Source
United States
1ip-10-170-4-3.us-west-1.com1 ms1 ms1 ms
2ip-10-1-78-1.us-west-1.comp11 ms0 ms1 ms
3100.64.28.1311 ms2 ms1 ms
4216.182.236.1061 ms1 ms1 ms
572.21.222.162 ms1 ms2 ms
6205.251.229.1683 ms2 ms2 ms
7205.251.229.1842 ms2 ms2 ms
8xe-10-2-0.mrs10.ip4.gtt.net176 ms173 ms172 ms
9telecom-egypt-gw.ip4.gtt.ne199 ms199 ms177 ms
10telecom-egypt-gw.ip4.gtt.ne199 ms0 ms0 ms
11host-41.33.197.154.tedata.n278 ms0 ms0 ms
12host-41.33.197.146.tedata.n277 ms277 ms277 ms
13
no response
14
no response
15
no response
16
no response
17
no response
18
no response
19
no response
20
no response
21
no response
22
no response
23
no response
24
no response
25
no response
26
no response
27
no response
28
no response
29
no response
30
no response
Destination
41.69.91.120
----------------------------------------------------------------------/
答案1
从这里开始 Tracert 顺利完成：
C:\>tracert 41.69.91.120
Tracing route to 41.69.91.120 over a maximum of 30 hops
...
3 8 ms 6 ms 6 ms vnn-rc0001-cr101-irb-225.core.as9143.net [213.51.168.226]
4 8 ms 9 ms 9 ms asd-tr0042-cr101-ae6-0.core.as9143.net [213.51.158.78]
5 8 ms 8 ms 6 ms ix-8-0.tcore1.AV2-Amsterdam.as6453.net [195.219.194.37]
6 9 ms 9 ms 9 ms 195.219.194.90
7 33 ms 32 ms 33 ms xe-0-0-0.mrs10.ip4.gtt.net [89.149.182.54]
8 74 ms 75 ms 76 ms telecom-egypt-gw.ip4.gtt.net [77.67.95.114]
9 * * * Request timed out.
10 75 ms 77 ms 106 ms host-41.33.197.146.tedata.net [41.33.197.146]
11 * * * Request timed out.
12 102 ms 107 ms 100 ms 41.69.91.120
看起来你的两个在线 tracert 站点不能很好地处理超时（重试而不是转到下一跳）