Networking
如何使 traceroute 跟踪超過 30 跳？
我使用的一些伺服器
traceroute距離超過 30 跳。如何進行traceroute超過 30 跳的跟踪？
來自
man 1 traceroute：-m max_ttl Specifies the maximum number of hops (max time-to-live value) traceroute will probe. The default is 30.
當某個位置超過 30 跳時，這可能只是意味著當 TTL 超過時，最後一跳不回复。
除非，這是一個故事：
$ traceroute -m100 216.81.59.173 traceroute to 216.81.59.173 (216.81.59.173), 100 hops max, 52 byte packets (...) 14 episode.iv (206.214.251.1) 173.387 ms 171.638 ms 171.201 ms 15 a.new.hope (206.214.251.6) 168.299 ms 168.400 ms 172.040 ms 16 it.is.a.period.of.civil.war (206.214.251.9) 173.990 ms 172.892 ms 170.148 ms 17 rebel.spaceships (206.214.251.14) 171.745 ms 169.772 ms 169.002 ms 18 striking.from.a.hidden.base (206.214.251.17) 170.697 ms 168.263 ms 168.610 ms 19 have.won.their.first.victory (206.214.251.22) 171.065 ms 170.167 ms 265.206 ms 20 against.the.evil.galactic.empire (206.214.251.25) 170.906 ms 234.735 ms 169.272 ms 21 during.the.battle (206.214.251.30) 171.541 ms 169.632 ms 173.910 ms 22 rebel.spies.managed (206.214.251.33) 170.619 ms 170.862 ms 171.820 ms 23 to.steal.secret.plans (206.214.251.38) 171.433 ms 182.794 ms 171.130 ms 24 to.the.empires.ultimate.weapon (206.214.251.41) 171.000 ms 173.832 ms 169.343 ms 25 the.death.star (206.214.251.46) 171.819 ms 170.550 ms 168.248 ms 26 an.armored.space.station (206.214.251.49) 168.109 ms 171.418 ms 170.669 ms 27 with.enough.power.to (206.214.251.54) 169.475 ms 172.276 ms 169.378 ms 28 destroy.an.entire.planet (206.214.251.57) 170.520 ms 170.210 ms 174.096 ms 29 pursued.by.the.empires (206.214.251.62) 169.275 ms 171.433 ms 172.075 ms 30 sinister.agents (206.214.251.65) 170.922 ms 171.965 ms 171.492 ms 31 princess.leia.races.home (206.214.251.70) 171.816 ms 170.498 ms 171.694 ms 32 aboard.her.starship (206.214.251.73) 172.262 ms 168.907 ms 172.208 ms 33 custodian.of.the.stolen.plans (206.214.251.78) 171.719 ms 174.277 ms 170.684 ms 34 that.can.save.her (206.214.251.81) 171.340 ms 171.182 ms 174.110 ms 35 people.and.restore (206.214.251.86) 170.111 ms 172.270 ms 171.921 ms 36 freedom.to.the.galaxy (206.214.251.89) 172.464 ms 173.231 ms 171.365 ms 37 0-----i-------i-----0 (206.214.251.94) 173.037 ms 171.931 ms 170.092 ms 38 0------------------0 (206.214.251.97) 172.218 ms 171.107 ms 171.267 ms 39 0-----------------0 (206.214.251.102) 171.400 ms 172.031 ms 174.598 ms 40 0----------------0 (206.214.251.105) 170.030 ms 173.025 ms 171.469 ms 41 0---------------0 (206.214.251.110) 172.326 ms 171.856 ms 172.994 ms 42 0--------------0 (206.214.251.113) 170.856 ms 174.109 ms 170.936 ms 43 0-------------0 (206.214.251.118) 171.991 ms 172.868 ms 173.722 ms 44 0------------0 (206.214.251.121) 171.233 ms 169.809 ms 173.038 ms 45 0-----------0 (206.214.251.126) 171.787 ms 172.344 ms 171.002 ms 46 0----------0 (206.214.251.129) 173.352 ms 170.713 ms 173.296 ms 47 0---------0 (206.214.251.134) 171.911 ms 172.478 ms 170.493 ms 48 0--------0 (206.214.251.137) 172.383 ms 170.712 ms 174.033 ms 49 0-------0 (206.214.251.142) 169.868 ms 171.649 ms 171.364 ms 50 0------0 (206.214.251.145) 172.330 ms 169.414 ms 171.859 ms 51 0-----0 (206.214.251.150) 173.134 ms 197.696 ms 170.179 ms 52 0----0 (206.214.251.153) 173.789 ms 171.736 ms 173.433 ms 53 0---0 (206.214.251.158) 173.885 ms 173.725 ms 172.579 ms 54 0--0 (206.214.251.161) 170.834 ms 173.887 ms 171.137 ms 55 0-0 (206.214.251.166) 172.897 ms 171.225 ms 171.217 ms 56 00 (206.214.251.169) 173.286 ms 174.234 ms 171.737 ms 57 i (206.214.251.174) 173.487 ms 172.496 ms 172.307 ms 58 by.ryan.werber (206.214.251.177) 174.808 ms 173.357 ms 172.911 ms 59 blizzards.breed.ccie.creativity (206.214.251.182) 171.963 ms 174.378 ms 172.888 ms 60 please.try.again.tracerote.to.obiwan.scrye.net (206.214.251.185) 171.410 ms 173.825 ms 171.782 ms 61 read.more.at.beaglenetworks.net (206.214.251.190) 174.625 ms * 175.767 ms