North American Network Operators Group

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Re: Cogent peering issues with Sprint

  • From: Dave Pooser
  • Date: Wed Oct 10 12:38:41 2007

> Cogent is experiencing two problems right now. Their automated message reports
> that they have a backbone problem causing latency, but they also seem to be
> experiencing peering problems with Sprint.

There may be some internal problems on the Sprint network; I'm unable to hit
www.duke-energy.com from either my Covad T1 or my AT&T T1 and my users with
Sprint wireless cards can't reach my VPN concentrator (Covad-connected).

>From Covad:
traceroute to 209.163.178.6 (209.163.178.6), 64 hops max, 40 byte packets
 1  drawbridge.alfordmedia.com (192.168.67.254)  0.698 ms  0.279 ms  0.313
ms
 2  h-74-1-2-209.dllatx37.covad.net (74.1.2.209)  2.219 ms  2.317 ms  2.177
ms
 3  172.22.0.1 (172.22.0.1)  27.102 ms  16.690 ms  15.209 ms
 4  192.168.38.173 (192.168.38.173)  33.027 ms  15.440 ms  12.087 ms
 5  66.236.128.245.ptr.us.xo.net (66.236.128.245)  20.182 ms  16.088 ms
37.398 ms
 6  p4-3-0.mar1.dallas-tx.us.xo.net (207.88.82.9)  13.000 ms  13.187 ms
15.036 ms
 7  65.106.4.245.ptr.us.xo.net (65.106.4.245)  31.468 ms  13.498 ms  14.839
ms
 8  p0-0.ir1.dallas2-tx.us.xo.net (65.106.4.182)  14.992 ms  18.729 ms
15.151 ms
 9  peer-01-ge-3-1-0-15.dlfw.twtelecom.net (66.192.252.145)  14.835 ms
14.095 ms  20.054 ms
10  hagg-03-ge-0-0-0-460.dlfw.twtelecom.net (64.129.234.4)  45.161 ms
16.826 ms  28.240 ms
11  64-129-174-30.static.twtelecom.net (64.129.174.30)  24.740 ms  16.621 ms
14.966 ms
12  * * *
(ad infinitum)

>From AT&T:

-- 
Dave Pooser, ACSA
Manager of Information Services
Alford Media  http://www.alfordmedia.com