Traceroute question

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NZNOG2013

Andy Linton

9 Feb 2013 9 Feb '13

5:35 a.m.

What do you see if you: $ traceroute 216.81.59.173 with maxhops > 30?

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Lloyd Parkes

9 Feb 9 Feb

5:43 a.m.

On 10/02/2013, at 1:35 PM, Andy Linton wrote:

...

What do you see if you:

$ traceroute 216.81.59.173

with maxhops > 30?

I get the following output. On an previous trace route I also got multiple IP addresses for hop 10. Did you setup all those routers by hand? 1 10.0.1.1 0.398 ms 0.235 ms 0.228 ms 2 * * * 3 218.101.61.124 80.092 ms 60.573 ms 91.559 ms 4 203.98.50.2 21.148 ms 20.750 ms 20.282 ms 5 203.98.50.251 18.241 ms 17.720 ms 18.060 ms 6 38.122.92.105 143.425 ms 145.225 ms 142.075 ms 7 154.54.6.73 145.268 ms 154.54.84.57 153.620 ms 154.54.6.69 143.460 ms 8 154.54.86.94 145.373 ms 154.54.6.238 143.112 ms 154.54.6.110 144.461 ms 9 154.54.13.14 143.513 ms 154.54.10.214 144.044 ms 144.874 ms 10 89.149.185.53 228.470 ms 229.681 ms 220.566 ms 11 77.67.69.158 231.775 ms 232.700 ms 235.890 ms 12 216.81.59.2 217.605 ms 217.433 ms 216.246 ms 13 * * * 14 206.214.251.1 240.842 ms 247.463 ms 254.825 ms 15 206.214.251.6 240.787 ms 253.020 ms 246.936 ms 16 206.214.251.9 242.311 ms 254.403 ms 251.222 ms 17 206.214.251.14 249.314 ms 246.738 ms 251.700 ms 18 206.214.251.17 248.894 ms 251.852 ms 252.829 ms 19 206.214.251.22 253.363 ms 252.887 ms 243.293 ms 20 206.214.251.25 251.344 ms 243.226 ms 250.671 ms 21 206.214.251.30 251.809 ms 253.124 ms 247.440 ms 22 206.214.251.33 251.400 ms 241.661 ms 253.185 ms 23 206.214.251.38 249.051 ms 247.785 ms 274.008 ms 24 206.214.251.41 247.892 ms 248.990 ms 253.814 ms 25 206.214.251.46 254.744 ms 251.714 ms 247.743 ms 26 206.214.251.49 253.243 ms 242.831 ms 248.859 ms 27 206.214.251.54 250.220 ms 254.494 ms 251.366 ms 28 206.214.251.57 251.392 ms 264.830 ms 274.205 ms 29 206.214.251.62 239.132 ms 254.749 ms 251.100 ms 30 206.214.251.65 252.180 ms 243.434 ms 247.726 ms 31 206.214.251.70 256.665 ms 254.213 ms 247.559 ms 32 206.214.251.73 251.281 ms 253.733 ms 252.165 ms 33 206.214.251.78 255.509 ms 252.325 ms 264.030 ms 34 206.214.251.81 253.207 ms 249.598 ms 250.180 ms 35 206.214.251.86 247.372 ms 247.844 ms 247.184 ms 36 206.214.251.89 254.504 ms 253.743 ms 253.066 ms 37 206.214.251.94 253.772 ms 251.617 ms 249.804 ms 38 206.214.251.97 251.107 ms 244.091 ms 250.726 ms 39 206.214.251.102 242.508 ms 259.768 ms 249.794 ms 40 206.214.251.105 253.687 ms 241.844 ms 248.427 ms 41 206.214.251.110 256.666 ms 256.690 ms 257.086 ms 42 206.214.251.113 255.378 ms 247.794 ms 260.904 ms 43 206.214.251.118 258.343 ms 254.856 ms 260.343 ms 44 206.214.251.121 243.618 ms 242.088 ms 252.480 ms 45 206.214.251.126 248.285 ms 255.211 ms 248.131 ms 46 206.214.251.129 254.049 ms 259.000 ms 248.303 ms 47 206.214.251.134 253.985 ms 251.668 ms 252.091 ms 48 206.214.251.137 257.105 ms 257.507 ms 259.151 ms 49 206.214.251.142 257.645 ms 261.253 ms 244.827 ms 50 206.214.251.145 258.867 ms 247.174 ms 247.385 ms 51 206.214.251.150 250.794 ms 253.199 ms 246.779 ms 52 206.214.251.153 299.415 ms * 254.550 ms 53 206.214.251.158 258.149 ms 258.192 ms 256.349 ms 54 206.214.251.161 247.522 ms 254.241 ms 252.617 ms 55 206.214.251.166 260.248 ms 251.476 ms 252.158 ms 56 206.214.251.169 249.198 ms 262.427 ms 247.092 ms 57 206.214.251.174 257.245 ms 257.343 ms 257.773 ms 58 206.214.251.177 252.172 ms 253.222 ms 263.194 ms 59 206.214.251.182 253.157 ms 257.335 ms 249.906 ms 60 206.214.251.185 245.900 ms 242.818 ms 254.220 ms 61 206.214.251.190 251.831 ms * *

Bill Walker

5:47 a.m.

:-) Sent from my Phone On 10/02/2013, at 13:35, Andy Linton wrote:

...

What do you see if you:

$ traceroute 216.81.59.173

with maxhops > 30? _______________________________________________ NZNOG mailing list NZNOG(a)list.waikato.ac.nz http://list.waikato.ac.nz/mailman/listinfo/nznog

Ben Aitchison

5:56 a.m.

On Sun, Feb 10, 2013 at 01:35:31PM +1300, Andy Linton wrote:

...

What do you see if you:

$ traceroute 216.81.59.173

with maxhops > 30? _______________________________________________ NZNOG mailing list NZNOG(a)list.waikato.ac.nz http://list.waikato.ac.nz/mailman/listinfo/nznog

FIN. What a waste of IP's. Ben.

Sam Sargeant

7:09 a.m.

All from the same /24. It'll be the allocation policy you can blame then. Sam On 10/02/2013, at 1:56 PM, Ben Aitchison wrote:

...

On Sun, Feb 10, 2013 at 01:35:31PM +1300, Andy Linton wrote:

...
What do you see if you:

$ traceroute 216.81.59.173

with maxhops > 30? _______________________________________________ NZNOG mailing list NZNOG(a)list.waikato.ac.nz http://list.waikato.ac.nz/mailman/listinfo/nznog

FIN. What a waste of IP's.

Ben. _______________________________________________ NZNOG mailing list NZNOG(a)list.waikato.ac.nz http://list.waikato.ac.nz/mailman/listinfo/nznog

Brian Gibbons

6:03 a.m.

Nice one :) On 10/02/2013 1:35 p.m., Andy Linton wrote:

...

What do you see if you:

$ traceroute 216.81.59.173

with maxhops> 30? _______________________________________________ NZNOG mailing list NZNOG(a)list.waikato.ac.nz http://list.waikato.ac.nz/mailman/listinfo/nznog

_____________________________________________________________________ This e-mail message has passed virus scanning by Outersite Technology.

_____________________________________________________________________ This e-mail message has passed virus scanning by Outersite Technology.

Ian Batterbee

6:55 a.m.

Seems that some degree of DNS caching is going on for me .... 16 * Episode.IV (206.214.251.1) 279.100 ms 278.073 ms 17 Episode.IV (206.214.251.1) 283.451 ms 279.461 ms A.NEW.HOPE (206.214.251.6) 234.610 ms 18 It.is.a.period.of.civil.war (206.214.251.9) 248.086 ms A.NEW.HOPE (206.214.251.6) 229.353 ms It.is.a.period.of.civil.war (206.214.251.9) 224.019 ms 19 Rebel.spaceships (206.214.251.14) 285.091 ms 257.673 ms 257.853 ms 20 striking.from.a.hidden.base (206.214.251.17) 260.754 ms Rebel.spaceships (206.214.251.14) 265.440 ms striking.from.a.hidden.base (206.214.251.17) 259.871 ms 21 striking.from.a.hidden.base (206.214.251.17) 284.728 ms have.won.their.first.victory (206.214.251.22) 283.569 ms striking.from.a.hidden.base (206.214.251.17) 282.813 ms 22 against.the.evil.Galactic.Empire (206.214.251.25) 243.862 ms 226.103 ms have.won.their.first.victory (206.214.251.22) 260.357 ms 23 against.the.evil.Galactic.Empire (206.214.251.25) 288.242 ms During.the.battle (206.214.251.30) 225.620 ms against.the.evil.Galactic.Empire (206.214.251.25) 250.090 ms 24 Rebel.spies.managed (206.214.251.33) 249.041 ms 246.553 ms 243.055 ms 25 to.steal.secret.plans (206.214.251.38) 224.114 ms Rebel.spies.managed (206.214.251.33) 262.306 ms to.steal.secret.plans (206.214.251.38) 238.161 ms 26 to.the.Empires.ultimate.weapon (206.214.251.41) 261.595 ms 262.856 ms 259.459 ms 27 the.DEATH.STAR (206.214.251.46) 224.903 ms 225.534 ms to.the.Empires.ultimate.weapon (206.214.251.41) 257.839 ms 28 an.armored.space.station (206.214.251.49) 231.026 ms 235.292 ms 235.642 ms 29 with.enough.power.to (206.214.251.54) 265.599 ms 297.553 ms 257.633 ms 30 destroy.an.entire.planet (206.214.251.57) 258.407 ms 282.024 ms with.enough.power.to (206.214.251.54) 278.589 ms 31 Pursued.by.the.Empires (206.214.251.62) 249.280 ms 249.015 ms 229.575 ms 32 Pursued.by.the.Empires (206.214.251.62) 231.470 ms 232.281 ms 234.243 ms 33 Princess.Leia.races.home (206.214.251.70) 259.681 ms 274.137 ms 274.902 ms 34 Princess.Leia.races.home (206.214.251.70) 266.500 ms aboard.her.starship (206.214.251.73) 259.657 ms Princess.Leia.races.home (206.214.251.70) 261.322 ms 35 aboard.her.starship (206.214.251.73) 258.869 ms custodian.of.the.stolen.plans (206.214.251.78) 225.355 ms 227.853 ms 36 that.can.save.her (206.214.251.81) 300.073 ms custodian.of.the.stolen.plans (206.214.251.78) 233.958 ms 263.273 ms 37 that.can.save.her (206.214.251.81) 288.221 ms people.and.restore (206.214.251.86) 259.592 ms that.can.save.her (206.214.251.81) 268.211 ms 38 people.and.restore (206.214.251.86) 271.886 ms freedom.to.the.galaxy (206.214.251.89) 229.914 ms 234.021 ms 39 freedom.to.the.galaxy (206.214.251.89) 238.697 ms 228.718 ms 233.247 ms 40 0------------------0 (206.214.251.97) 230.352 ms 247.548 ms 238.151 ms 41 0------------------0 (206.214.251.97) 229.786 ms 0-----------------0 (206.214.251.102) 225.106 ms 228.886 ms 42 0-----------------0 (206.214.251.102) 228.566 ms 233.235 ms 0----------------0 (206.214.251.105) 227.576 ms 43 0---------------0 (206.214.251.110) 286.265 ms 286.332 ms 0----------------0 (206.214.251.105) 245.293 ms 44 0---------------0 (206.214.251.110) 277.640 ms 0--------------0 (206.214.251.113) 261.084 ms 275.579 ms 45 0-------------0 (206.214.251.118) 245.638 ms 226.569 ms 0--------------0 (206.214.251.113) 287.948 ms 46 0-------------0 (206.214.251.118) 251.468 ms 0------------0 (206.214.251.121) 276.610 ms 252.118 ms 47 0-----------0 (206.214.251.126) 290.237 ms 269.927 ms 274.844 ms 48 0-----------0 (206.214.251.126) 281.356 ms 0----------0 (206.214.251.129) 249.055 ms 246.814 ms 49 0---------0 (206.214.251.134) 225.843 ms 246.843 ms 232.532 ms 50 0--------0 (206.214.251.137) 227.848 ms 251.693 ms 229.614 ms 51 0-------0 (206.214.251.142) 228.626 ms 231.975 ms 0--------0 (206.214.251.137) 232.218 ms 52 0-------0 (206.214.251.142) 231.058 ms 0------0 (206.214.251.145) 231.323 ms 260.596 ms 53 0-----0 (206.214.251.150) 254.486 ms 247.767 ms 229.789 ms 54 0----0 (206.214.251.153) 231.203 ms 0-----0 (206.214.251.150) 239.608 ms 0----0 (206.214.251.153) 230.546 ms 55 0---0 (206.214.251.158) 265.516 ms 0----0 (206.214.251.153) 247.505 ms 233.765 ms 56 0---0 (206.214.251.158) 288.494 ms 290.430 ms 0--0 (206.214.251.161) 252.266 ms 57 0-0 (206.214.251.166) 315.502 ms 316.109 ms 315.076 ms 58 0-0 (206.214.251.166) 318.510 ms 00 (206.214.251.169) 285.570 ms 0-0 (206.214.251.166) 275.104 ms 59 I (206.214.251.174) 228.031 ms 253.933 ms 240.374 ms 60 I (206.214.251.174) 236.465 ms By.Ryan.Werber (206.214.251.177) 254.652 ms 230.757 ms 61 When.CCIEs.Get.Bored (206.214.251.182) 228.135 ms By.Ryan.Werber (206.214.251.177) 230.870 ms 231.448 ms 62 When.CCIEs.Get.Bored (206.214.251.182) 232.038 ms CCIE.38168 (206.214.251.185) 227.155 ms 231.058 ms 63 CCIE.38168 (206.214.251.185) 232.560 ms * * 64 * * * 65 * * * 66 * * * 67 * * * 68 FIN (206.214.251.190) 261.423 ms * * On 10/02/2013 2:03 p.m., Brian Gibbons wrote:

...

Nice one :)

On 10/02/2013 1:35 p.m., Andy Linton wrote:

...
What do you see if you:

$ traceroute 216.81.59.173

with maxhops> 30?

Mike Jager

11:59 a.m.

Looks like there are multiple paths upstream of you that aren't equal in hop-count. Try a -q1 on your traceroute. -Mike On 10/02/13 2:55 PM, Ian Batterbee wrote:

...

Seems that some degree of DNS caching is going on for me ....

16 * Episode.IV (206.214.251.1) 279.100 ms 278.073 ms 17 Episode.IV (206.214.251.1) 283.451 ms 279.461 ms A.NEW.HOPE (206.214.251.6) 234.610 ms 18 It.is.a.period.of.civil.war (206.214.251.9) 248.086 ms A.NEW.HOPE (206.214.251.6) 229.353 ms It.is.a.period.of.civil.war (206.214.251.9) 224.019 ms 19 Rebel.spaceships (206.214.251.14) 285.091 ms 257.673 ms 257.853 ms 20 striking.from.a.hidden.base (206.214.251.17) 260.754 ms Rebel.spaceships (206.214.251.14) 265.440 ms striking.from.a.hidden.base (206.214.251.17) 259.871 ms 21 striking.from.a.hidden.base (206.214.251.17) 284.728 ms have.won.their.first.victory (206.214.251.22) 283.569 ms striking.from.a.hidden.base (206.214.251.17) 282.813 ms 22 against.the.evil.Galactic.Empire (206.214.251.25) 243.862 ms 226.103 ms have.won.their.first.victory (206.214.251.22) 260.357 ms 23 against.the.evil.Galactic.Empire (206.214.251.25) 288.242 ms During.the.battle (206.214.251.30) 225.620 ms against.the.evil.Galactic.Empire (206.214.251.25) 250.090 ms 24 Rebel.spies.managed (206.214.251.33) 249.041 ms 246.553 ms 243.055 ms 25 to.steal.secret.plans (206.214.251.38) 224.114 ms Rebel.spies.managed (206.214.251.33) 262.306 ms to.steal.secret.plans (206.214.251.38) 238.161 ms 26 to.the.Empires.ultimate.weapon (206.214.251.41) 261.595 ms 262.856 ms 259.459 ms 27 the.DEATH.STAR (206.214.251.46) 224.903 ms 225.534 ms to.the.Empires.ultimate.weapon (206.214.251.41) 257.839 ms 28 an.armored.space.station (206.214.251.49) 231.026 ms 235.292 ms 235.642 ms 29 with.enough.power.to (206.214.251.54) 265.599 ms 297.553 ms 257.633 ms 30 destroy.an.entire.planet (206.214.251.57) 258.407 ms 282.024 ms with.enough.power.to (206.214.251.54) 278.589 ms 31 Pursued.by.the.Empires (206.214.251.62) 249.280 ms 249.015 ms 229.575 ms 32 Pursued.by.the.Empires (206.214.251.62) 231.470 ms 232.281 ms 234.243 ms 33 Princess.Leia.races.home (206.214.251.70) 259.681 ms 274.137 ms 274.902 ms 34 Princess.Leia.races.home (206.214.251.70) 266.500 ms aboard.her.starship (206.214.251.73) 259.657 ms Princess.Leia.races.home (206.214.251.70) 261.322 ms 35 aboard.her.starship (206.214.251.73) 258.869 ms custodian.of.the.stolen.plans (206.214.251.78) 225.355 ms 227.853 ms 36 that.can.save.her (206.214.251.81) 300.073 ms custodian.of.the.stolen.plans (206.214.251.78) 233.958 ms 263.273 ms 37 that.can.save.her (206.214.251.81) 288.221 ms people.and.restore (206.214.251.86) 259.592 ms that.can.save.her (206.214.251.81) 268.211 ms 38 people.and.restore (206.214.251.86) 271.886 ms freedom.to.the.galaxy (206.214.251.89) 229.914 ms 234.021 ms 39 freedom.to.the.galaxy (206.214.251.89) 238.697 ms 228.718 ms 233.247 ms 40 0------------------0 (206.214.251.97) 230.352 ms 247.548 ms 238.151 ms 41 0------------------0 (206.214.251.97) 229.786 ms 0-----------------0 (206.214.251.102) 225.106 ms 228.886 ms 42 0-----------------0 (206.214.251.102) 228.566 ms 233.235 ms 0----------------0 (206.214.251.105) 227.576 ms 43 0---------------0 (206.214.251.110) 286.265 ms 286.332 ms 0----------------0 (206.214.251.105) 245.293 ms 44 0---------------0 (206.214.251.110) 277.640 ms 0--------------0 (206.214.251.113) 261.084 ms 275.579 ms 45 0-------------0 (206.214.251.118) 245.638 ms 226.569 ms 0--------------0 (206.214.251.113) 287.948 ms 46 0-------------0 (206.214.251.118) 251.468 ms 0------------0 (206.214.251.121) 276.610 ms 252.118 ms 47 0-----------0 (206.214.251.126) 290.237 ms 269.927 ms 274.844 ms 48 0-----------0 (206.214.251.126) 281.356 ms 0----------0 (206.214.251.129) 249.055 ms 246.814 ms 49 0---------0 (206.214.251.134) 225.843 ms 246.843 ms 232.532 ms 50 0--------0 (206.214.251.137) 227.848 ms 251.693 ms 229.614 ms 51 0-------0 (206.214.251.142) 228.626 ms 231.975 ms 0--------0 (206.214.251.137) 232.218 ms 52 0-------0 (206.214.251.142) 231.058 ms 0------0 (206.214.251.145) 231.323 ms 260.596 ms 53 0-----0 (206.214.251.150) 254.486 ms 247.767 ms 229.789 ms 54 0----0 (206.214.251.153) 231.203 ms 0-----0 (206.214.251.150) 239.608 ms 0----0 (206.214.251.153) 230.546 ms 55 0---0 (206.214.251.158) 265.516 ms 0----0 (206.214.251.153) 247.505 ms 233.765 ms 56 0---0 (206.214.251.158) 288.494 ms 290.430 ms 0--0 (206.214.251.161) 252.266 ms 57 0-0 (206.214.251.166) 315.502 ms 316.109 ms 315.076 ms 58 0-0 (206.214.251.166) 318.510 ms 00 (206.214.251.169) 285.570 ms 0-0 (206.214.251.166) 275.104 ms 59 I (206.214.251.174) 228.031 ms 253.933 ms 240.374 ms 60 I (206.214.251.174) 236.465 ms By.Ryan.Werber (206.214.251.177) 254.652 ms 230.757 ms 61 When.CCIEs.Get.Bored (206.214.251.182) 228.135 ms By.Ryan.Werber (206.214.251.177) 230.870 ms 231.448 ms 62 When.CCIEs.Get.Bored (206.214.251.182) 232.038 ms CCIE.38168 (206.214.251.185) 227.155 ms 231.058 ms 63 CCIE.38168 (206.214.251.185) 232.560 ms * * 64 * * * 65 * * * 66 * * * 67 * * * 68 FIN (206.214.251.190) 261.423 ms * *

On 10/02/2013 2:03 p.m., Brian Gibbons wrote:

...
Nice one :)

On 10/02/2013 1:35 p.m., Andy Linton wrote:

...
What do you see if you:

$ traceroute 216.81.59.173

with maxhops> 30?

_______________________________________________ NZNOG mailing list NZNOG(a)list.waikato.ac.nz http://list.waikato.ac.nz/mailman/listinfo/nznog

Jamie Baddeley

9:38 a.m.

severe packet loss at hop 17. I sense a disturbance in the force. jamie On 10 February 2013 13:35, Andy Linton wrote:

...

What do you see if you:

$ traceroute 216.81.59.173

with maxhops > 30? _______________________________________________ NZNOG mailing list NZNOG(a)list.waikato.ac.nz http://list.waikato.ac.nz/mailman/listinfo/nznog

Sam Sargeant

10 Feb 10 Feb

12:20 a.m.

VRF config generated via PHP scripts. That's software defined networking right? :) http://rwerber.tumblr.com/post/42707829171/star-wars-traceroute Sam On 10/02/2013, at 1:35 PM, Andy Linton wrote:

...

What do you see if you:

$ traceroute 216.81.59.173

with maxhops > 30? _______________________________________________ NZNOG mailing list NZNOG(a)list.waikato.ac.nz http://list.waikato.ac.nz/mailman/listinfo/nznog

Dean Pemberton

12:43 a.m.

Sorta, The blog poster in that case still has physical routers with actual config on them. Under my preferred SDN model they wouldn't exist, neither would the config, neither would most of the IP addresses. You'd just traceroute to the first IP address, the fabric would detect the first packet, pass it to the control plane which would just deliver you the rest of the Star Wars script automatically. =) Spoon Boy said it best http://goo.gl/Xg0vH On Mon, Feb 11, 2013 at 8:20 AM, Sam Sargeant wrote:

...

VRF config generated via PHP scripts. That's software defined networking right? :)

http://rwerber.tumblr.com/post/42707829171/star-wars-traceroute

Sam

On 10/02/2013, at 1:35 PM, Andy Linton wrote:

What do you see if you:

$ traceroute 216.81.59.173

with maxhops > 30? _______________________________________________ NZNOG mailing list NZNOG(a)list.waikato.ac.nz http://list.waikato.ac.nz/mailman/listinfo/nznog

_______________________________________________ NZNOG mailing list NZNOG(a)list.waikato.ac.nz http://list.waikato.ac.nz/mailman/listinfo/nznog

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10 comments

10 participants

participants (10)

Andy Linton
Ben Aitchison
Bill Walker
Brian Gibbons
Dean Pemberton
Ian Batterbee
Jamie Baddeley
Lloyd Parkes
Mike Jager
Sam Sargeant