XO problems?

Wed Apr 17 21:02:07 UTC 2002

Before there is wild speculation since cw.net shows up in the path....  We
are not experiencing any issues in DC or NY that would cause the problem
below.  I have dropped in traceroutes from the ingress to our network from
XO to Cisco.com, and back to the first hop in the traceroute in Joe's
traceroute to demonstrate that CW is forwarding packets as we are supposed
to do.  :-)

If there are questions regarding routing issues within AS3561, noc at cw.net
would be happy to investigate and respond.

Regards,
	Mark Kasten
	Cable & Wireless

autojuco at iar1.nyr> traceroute www.cisco.com
traceroute to www.cisco.com (198.133.219.25), 30 hops max, 40 byte packets
 1  agr2-loopback.NewYork.cw.net (206.24.194.102)  1.131 ms
agr1-loopback.NewYork.cw.net (206.24.194.101)  1.077 ms  1.001 ms
 2  dcr2-so-7-1-0.NewYork.cw.net (206.24.207.197)  0.789 ms  0.650 ms
dcr2-so-6-0-0.NewYork.cw.net (206.24.207.177)  0.610 ms
 3  agr4-so-4-0-0.NewYork.cw.net (206.24.207.78)  0.758 ms
agr3-so-2-0-0.NewYork.cw.net (206.24.207.186)  0.671 ms  0.704 ms
 4  acr1-loopback.NewYork.cw.net (206.24.194.61)  1.026 ms  1.039 ms  0.912
ms
 5  206.24.195.202 (206.24.195.202)  0.843 ms  0.799 ms  0.814 ms
 6  gbr2-p70.n54ny.ip.att.net (12.123.1.134)  1.037 ms  0.863 ms  0.852 ms
 7  tbr1-p013301.n54ny.ip.att.net (12.122.11.5)  1.261 ms  3.661 ms  1.650
ms
 8  tbr1-cl1.cgcil.ip.att.net (12.122.10.5)  68.805 ms  68.180 ms  68.625 ms
 9  tbr1-p013302.sffca.ip.att.net (12.122.11.217)  68.233 ms  68.018 ms
67.755 ms
10  gbr5-p100.sffca.ip.att.net (12.122.11.74)  66.266 ms  66.326 ms  66.368
ms
11  gar1-p360.sj2ca.ip.att.net (12.122.2.253)  67.636 ms  67.600 ms  67.711
ms
12  12.127.200.82 (12.127.200.82)  67.434 ms  67.357 ms  67.478 ms
13  sjck-dirty-gw1.cisco.com (128.107.239.9)  66.229 ms  66.220 ms  66.134
ms
14  sjck-sdf-ciod-gw1.cisco.com (128.107.239.106)  67.582 ms  67.750 ms
67.504 ms
^C
autojuco at iar1.nyr> ping www.cisco.com
PING www.cisco.com (198.133.219.25): 56 data bytes
64 bytes from 198.133.219.25: icmp_seq=0 ttl=244 time=66.618 ms
64 bytes from 198.133.219.25: icmp_seq=1 ttl=244 time=66.287 ms

autojuco at iar1.nyr> traceroute 132.237.9.3
traceroute to 132.237.9.3 (132.237.9.3), 30 hops max, 40 byte packets
 1  agr1-loopback.NewYork.cw.net (206.24.194.101)  1.152 ms
agr2-loopback.NewYork.cw.net (206.24.194.102)  1.081 ms  0.823 ms
 2  dcr2-so-6-0-0.NewYork.cw.net (206.24.207.177)  9.728 ms
dcr1-so-7-0-0.NewYork.cw.net (206.24.207.65)  0.797 ms
dcr2-so-7-1-0.NewYork.cw.net (206.24.207.197)  0.803 ms
 3  dcr1-loopback.Washington.cw.net (206.24.226.99)  4.954 ms
dcr2-loopback.Washington.cw.net (206.24.226.100)  5.144 ms
dcr1-loopback.Washington.cw.net (206.24.226.99)  4.943 ms
 4  agr2-so-0-0-0.Washington.cw.net (206.24.238.54)  4.851 ms
agr2-so-2-0-0.Washington.cw.net (206.24.238.182)  4.770 ms  4.692 ms
 5  iar2-loopback.Washington.cw.net (206.24.226.13)  5.180 ms  5.167 ms
5.065 ms
 6  xo-communication-telc-audit.Washington.cw.net (208.173.10.70)  5.402 ms
4.883 ms  5.632 ms
 7  ge5-3-1.RAR1.Washington-DC.us.xo.net (64.220.0.222)  6.359 ms  6.010 ms
6.067 ms
 8  p1-0-0.RAR1.SanJose-CA.us.xo.net (65.106.0.38)  78.736 ms  78.773 ms
79.209 ms
 9  p4-0-0.MAR1.Fremont-CA.us.xo.net (65.106.5.142)  78.519 ms  78.741 ms
78.407 ms
10  p0-0.CHR1.Fremont-CA.us.xo.net (207.88.80.10)  79.890 ms  79.791 ms
80.193 ms
11  67.104.110.114 (67.104.110.114)  81.329 ms  82.717 ms  81.717 ms
12  * * *
13  * * *
14  * * *

-----Original Message-----
From: owner-nanog at merit.edu [mailto:owner-nanog at merit.edu]On Behalf Of Joe
Blanchard
Sent: Wednesday, April 17, 2002 4:03 PM
To: 'nanog at merit.edu'
Subject: XO problems?

Anyone seeing issues with XO routing?
/root# traceroute www.cisco.com
traceroute to www.cisco.com (198.133.219.25), 30 hops max, 38 byte packets
 1  132.237.9.3 (132.237.9.3)  3.510 ms  0.448 ms  0.443 ms
 2  132.237.245.1 (132.237.245.1)  0.739 ms  0.791 ms  0.790 ms
 3  67.104.110.113 (67.104.110.113)  1.826 ms  2.091 ms  1.860 ms
 4  p4-3-0.MAR1.Fremont-CA.us.xo.net (207.88.80.9)  2.044 ms  2.088 ms
2.112 ms
 5  p5-1-0-0.RAR1.SanJose-CA.us.xo.net (65.106.5.141)  2.438 ms  2.371 ms
2.368
 ms
 6  p1-0-0.RAR1.Washington-DC.us.xo.net (65.106.0.37)  82.448 ms  87.242 ms
82.
110 ms
 7  p6-0-0.RAR2.NYC-NY.us.xo.net (65.106.0.1)  86.110 ms  86.055 ms  86.090
ms
 8  ge5-0.dist1.hud-ny.us.xo.net (64.220.3.65)  86.688 ms  86.560 ms  86.586
ms
 9  ge6-0.edge1.hud-ny.us.xo.net (64.220.3.83)  86.734 ms  86.715 ms  86.835
ms
10  * * *
11  * * agr1-loopback.NewYork.cw.net (206.24.194.101)  3100.552 ms
12  * * *