Thomas (boggyb) wrote,
Thomas
boggyb
  • Mood: confused

Weird routing

At the moment, I can only get to LiveJournal via a mobile Vodafone 3G connection - when I try my landline Virgin Media ADSL link, the packets get stuck in a routing loop.

That's not the weird part. The weird part is both connections at one point go through the same routers (marked in bold)!

Vodafone 3G (via a USB 3G dongle):
Tracing route to livejournal.com [208.93.0.128]
over a maximum of 30 hops:

  1   116 ms    79 ms    79 ms  10.252.224.29
  2    82 ms    79 ms    79 ms  host203.msm.che.vodafone [10.203.64.4]
  3   100 ms   109 ms    99 ms  host203.msm.che.vodafone [10.203.65.1]
  4    88 ms    89 ms    89 ms  host203.msm.che.vodafone [10.203.65.135]
  5   126 ms   129 ms   129 ms  host203.msm.che.vodafone [10.203.66.68]
  6     *        *        *     Request timed out.
  7    86 ms    79 ms    89 ms  host203.msm.che.vodafone [10.203.66.212]
  8   111 ms   109 ms    89 ms  host203.msm.che.vodafone [10.203.70.157]
  9     *        *        *     Request timed out.
 10   104 ms    99 ms    99 ms  TenGigabitEthernet7-1.ar6.LON3.gblx.net [64.214.144.121]
 11   203 ms   189 ms   189 ms  0.ge-4-0-0.BR3.NYC4.ALTER.NET [204.255.169.125]
 12   250 ms   194 ms   199 ms  0.xe-5-1-3.XL4.NYC4.ALTER.NET [152.63.16.186]
 13   177 ms   179 ms   189 ms  0.so-4-2-0.XT2.DCA6.ALTER.NET [152.63.1.169]
 14   215 ms   229 ms   249 ms  tengigabit9-1.SA2.DCA6.ALTER.NET [207.22.129.6]
 15     *        *        *     Request timed out.
 16   344 ms   279 ms   280 ms  livejournal.com [208.93.0.128]

Trace complete


Virgin Media ADSL (via a Netgear DG834G):
Tracing route to livejournal.com [208.93.0.128]
over a maximum of 30 hops:

  1     1 ms    <1 ms    <1 ms  www.routerlogin.com [192.168.***.***]
  2    16 ms    15 ms    15 ms  host82-14-174-16.not-set-yet.ntli.net [82.14.174.16]
  3    15 ms    15 ms    15 ms  host82-14-173-81.not-set-yet.ntli.net [82.14.173.81]
  4     *        *       26 ms  so-2-2-0.0.cht-cor-001.bddsl.net [83.146.19.57]
  5    19 ms    24 ms    24 ms  so-3-1-0.0.sqy-cor-001.bddsl.net [83.146.19.21]
  6    17 ms    23 ms    16 ms  popl-core-1b-ge-410-0.network.virginmedia.net [82.14.168.129]
  7    19 ms     *       19 ms  pop-bb-b-as2-0.network.virginmedia.net [213.105.174.238]
  8   142 ms   223 ms    18 ms  pop-bb-a-ae0-0.network.virginmedia.net [213.105.174.229]
  9   115 ms    33 ms    33 ms  195.50.91.69
 10   113 ms    30 ms   112 ms  0.xe-5-0-3.XL3.NYC4.ALTER.NET [152.63.18.6]
 11   125 ms   101 ms   124 ms  0.so-6-2-0.XT1.DCA6.ALTER.NET [152.63.0.170]
 12   101 ms   101 ms   129 ms  207.22.129.2
 13   292 ms   125 ms   127 ms  207.22.129.10
 14   102 ms   128 ms   102 ms  mci-level3-xe.newyork2.Level3.net [4.68.110.106]
 15   101 ms   134 ms   215 ms  0.xe-5-0-0.XL4.NYC4.ALTER.NET [152.63.3.117]
 16   133 ms   135 ms   209 ms  0.so-4-2-0.XT2.DCA6.ALTER.NET [152.63.1.169]
 17   141 ms   114 ms   110 ms  tengigabit9-1.SA2.DCA6.ALTER.NET [207.22.129.6]
 18   136 ms   110 ms   135 ms  207.22.129.9
 19   143 ms   115 ms   141 ms  207.22.129.10
 20   115 ms   114 ms   139 ms  207.22.129.9
 21   120 ms   148 ms     *     207.22.129.10
 22   116 ms     *      115 ms  207.22.129.9
 23   123 ms   145 ms   126 ms  207.22.129.10
 24   148 ms   146 ms   122 ms  207.22.129.9
 25     *      125 ms   131 ms  207.22.129.10
 26     *        *      165 ms  207.22.129.9
 27   157 ms   148 ms   163 ms  207.22.129.10
 28   127 ms   136 ms   159 ms  207.22.129.9
 29   137 ms   164 ms     *     207.22.129.10
 30   133 ms   173 ms   133 ms  207.22.129.9

Trace complete.


So, who do I pester about this?

Edit: at some point over the past day this mysteriously fixed itself. Of course, something else had to disappear from this connection to maintain the cosmic balance of the routing tables :(
Tags: computing, internets, livejournal
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