[outages] Cox -> nLayer connectivity issues

Brandon Whaley brandonw at inmotionhosting.com
Wed Dec 19 18:24:46 EST 2012


We've been seeing intermittent TCP/UDP connectivity issues from Cox
Communications in Virginia to any location that routes over nLayer.  UDP
traceroutes are fine, but DNS lookups time out for minutes at a time, then
work again for ~5 minutes before repeating the problem.  ICMP is never
affected during the outages.

traceroute to 198.46.80.1 (198.46.80.1), 30 hops max, 60 byte packets
 1  router36f24c.local (192.168.14.1)  0.560 ms  0.531 ms  0.753 ms
 2  wsip-174-77-92-169.hr.hr.cox.net (174.77.92.169)  2.532 ms  2.581 ms
 3.009 ms
 3  172.21.224.153 (172.21.224.153)  3.995 ms  4.067 ms  4.111 ms
 4  172.21.249.101 (172.21.249.101)  4.185 ms  4.396 ms  4.561 ms
 5  172.21.249.73 (172.21.249.73)  4.916 ms  4.900 ms  5.128 ms
 6  172.21.249.18 (172.21.249.18)  5.517 ms  5.124 ms  5.043 ms
 7  ip-216-54-33-22.coxfiber.net (216.54.33.22)  210.486 ms  210.477 ms
 210.466 ms
 8  68.1.4.139 (68.1.4.139)  221.950 ms  222.460 ms  232.268 ms
 9  * xe-5-0-7.ar1.iad1.us.nlayer.net (69.31.10.81)  226.332 ms  226.866 ms
10  as54641.xe-9-0-1.ar1.iad1.us.nlayer.net (69.31.31.42)  223.718 ms
 225.083 ms  225.744 ms
11  198.46.80.1 (198.46.80.1)  225.706 ms  226.670 ms  226.698 ms

Is anyone with Cox on the list that can investigate/contact me?

-- 
Best Regards,
Brandon W.
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