[aklug] Re: ACS having routing trouble?

On Tuesday 26 October 2010, Royce Williams elucidated thus:
> The target IP is 74.212.252.100, correct? (ruling out DNS
> differences)

Both ACS and GCI DNS get that IP.

> If so, it looks like NTT or Global Crossing (gblx.net) can't get
> there. Once it leaves the SIX in Seattle, it's got a variety of
> possible paths to take that are outside of downstreams' control.
>
> Savvis looking-glass at Seattle also shows Sprint->Telepacific. USC
> looking-glass shows it getting lost in the middle of Telepacific's
> network, so if I had to guess, I'd say that somebody topologically
> close to your destination is having transport or routing issues.

Hmm...the path that goes through gblx is the one that fails. The path
that goes through telepacific is the one that works.

Very odd indeed.

Thanks for the double check.

j

>
> http://www.traceroute.org/#USA
>
> Royce
>
> Joshua J. Kugler wrote, on 10/26/2010 2:00 PM:
> > So, I happened to hit a site I couldn't get to on my ACS
> > connection, but could on a GCI connection.
> >
> > http://www.sagernotebook.com
> >
> > Can anyone else reproduce?
> >
> > ACS tracepath:
> >
> > 1: hosanna.local (192.168.10.193) 0.194ms
> > pmtu 1500 1: 192.168.10.1 (192.168.10.1)
> > 3.468ms 1: 192.168.10.1 (192.168.10.1)
> > 3.538ms 2: 192.168.1.1 (192.168.1.1)
> > 4.563ms 3: 192.168.1.1 (192.168.1.1)
> > 3.157ms pmtu 1452 3: l1-rb1.fai.acsalaska.net (209.193.63.166)
> > 65.107ms 4: vlan121-cr3.fai.acsalaska.net (209.193.13.137)
> > 61.024ms 5: ae1-0-r1.fai.acsalaska.net (69.162.207.145)
> > 60.522ms 6: so-3-1-1-0-r1.nwc.acsalaska.net (69.162.207.209)
> > 71.598ms 7: so-2-1-0-0-r1.sea.acsalaska.net (69.162.207.194)
> > 102.276ms 8: gi3-0-4011-gsr1.sea.acsalaska.net (69.162.207.85)
> > 102.327ms 9: no reply
> > 10: ae-2.r21.sttlwa01.us.bb.gin.ntt.net (129.250.3.38) 106.411ms
> > 11: no reply
> > 12: verio-1.ar5.sea1.gblx.net (64.208.110.222) 102.033ms
> > 13: no reply
> >
> > GCI:
> >
> > 1: 10.65.55.25 (10.65.55.25) 0.316ms
> > pmtu 1500
> > 1: 10.65.0.1 (10.65.0.1) 0.892ms
> > 1: 10.65.0.1 (10.65.0.1) 0.544ms
> > 2: 10.253.5.1 (10.253.5.1) 1.536ms
> > 3: <redacted> 1.684ms
> > 4: 216-115-112-129.alasconnect.net (216.115.112.129) 223.892ms
> > 5: ac-gci-gw.alasconnect.net (216.115.112.66) 197.855ms
> > 6: 121-61-74-65.alasconnect.static.gci.net (65.74.61.121)
> > 172.004ms 7: 6-251-223-66.gci.net (66.223.251.6)
> > 207.584ms 8: 204-128-165-209.gci.net (209.165.128.204)
> > 204.726ms 9: 32-129-165-209.gci.net (209.165.129.32)
> > 213.414ms 10: 106-129-165-209.gci.net (209.165.129.106)
> > 201.370ms 11: sl-gw12-sea-4-3-0.sprintlink.net (144.224.113.85)
> > 186.118ms 12: sl-crs1-tac-0-5-0-0.sprintlink.net (144.232.20.221)
> > 198.316ms 13: sl-crs1-stk-0-14-2-0.sprintlink.net (144.232.24.248)
> > 228.387ms 14: sl-crs1-sj-0-14-0-0.sprintlink.net (144.232.24.34)
> > 230.898ms 15: sl-gw29-ana-0-0-0.sprintlink.net (144.232.0.37)
> > 246.723ms 16: sl-gw29-ana-0-0-0.sprintlink.net (144.232.0.37)
> > 242.666ms 17: gi01.br8.irvnca.telepacific.net (65.60.127.86)
> > 286.516ms 18: 74-212-252-97.static-ip.telepacific.net
> > (74.212.252.97) 387.822ms 19:
> > 74-212-252-97.static-ip.telepacific.net (74.212.252.97) 324.071ms
> > 20: no reply
>
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-- 
Joshua Kugler
Part-Time System Admin/Programmer
http://www.eeinternet.com - Fairbanks, AK
PGP Key: http://pgp.mit.edu/  ID 0x73B13B6A
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