Re: Sprint/Cogent Peering Issue?

* Marshall Eubanks · * Fri Sep 19 06:02:47 2008

No apparent problems from Cogent in Northern Virginia :
 tme$ traceroute ops1.scc.rnmd.net

traceroute to ops1.scc.rnmd.net (208.91.188.136), 64 hops max, 40 byte
packets

1 dmz-mct2 (63.105.122.1) 0.754 ms 0.278 ms 0.485 ms

2 gi0-7.na21.b002176-1.dca01.atlas.cogentco.com (38.99.206.153)
0.741 ms 0.612 ms 0.753 ms

3 gi2-1.3587.core01.dca01.atlas.cogentco.com (38.20.32.13) 14.444
ms 0.756 ms 0.728 ms

4 te3-1.ccr02.dca01.atlas.cogentco.com (154.54.3.158) 0.980 ms
1.067 ms 0.978 ms

5 vl3493.mpd01.dca02.atlas.cogentco.com (154.54.7.230) 46.711 ms
te4-1.mpd01.dca02.atlas.cogentco.com (154.54.2.182) 2.400 ms
te7-3.mpd01.dca02.atlas.cogentco.com (154.54.6.26) 1.863 ms

6 vl3494.mpd01.iad01.atlas.cogentco.com (154.54.5.42) 1.935 ms
vl3496.mpd01.iad01.atlas.cogentco.com (154.54.5.46) 1.968 ms
vl3497.mpd01.iad01.atlas.cogentco.com (154.54.5.66) 1.618 ms

7 gi9-0-0.core01.iad01.atlas.cogentco.com (154.54.3.221) 1.578 ms
gi14-0-0.core01.iad01.atlas.cogentco.com (154.54.5.57) 1.840 ms
gi2-0-0.core01.iad01.atlas.cogentco.com (154.54.5.33) 1.788 ms

8 sprint.iad01.atlas.cogentco.com (154.54.13.62) 1.657 ms 1.693
ms 1.713 ms

9 sl-crs1-rly-0-4-5-0.sprintlink.net (144.232.20.154) 3.725 ms
3.597 ms 3.724 ms

10 sl-crs2-sj-0-5-0-0.sprintlink.net (144.232.20.186) 70.442 ms
70.780 ms 70.417 ms

11 sl-st1-sc-1-1.sprintlink.net (144.232.20.197) 70.672 ms 70.844
ms 70.973 ms

12 sl-rhyth2-158722-0.sprintlink.net (144.228.111.26) 71.197 ms
71.128 ms 70.935 ms

13 208.91.188.68 (208.91.188.68) 71.213 ms 71.381 ms 71.172 ms

14 ops1.scc.rnmd.net (208.91.188.136) 71.412 ms 71.497 ms 71.673 ms
Regards
Marshall

On Sep 19, 2008, at 4:27 AM, Craig Holland wrote:
Hi,
We are seeing traffic getting dropped between our Cogent and Sprint

connect DC's. One of them is getting shutdown, so we just have a
Cogent

link there :| Anyone seeing anything similar?
From: 91.102.40.18

traceroute to ops1.scc.rnmd.net (208.91.188.136), 30 hops max, 38 byte

packets

1 v1-core-sw1 (91.102.40.5) 0.471 ms 0.422 ms 0.431 ms

2 ge-0-1-0-pat2 (91.102.40.146) 0.376 ms 0.354 ms 0.335 ms

3 fe-1-3-1-501-pat1 (91.102.40.208) 0.376 ms 0.344 ms 0.407 ms

4 vl324.mpd01.lon01.atlas.cogentco.com (149.6.147.217) 0.745 ms

0.744 ms 0.740 ms

5 te3-1.mpd02.lon01.atlas.cogentco.com (130.117.2.26) 0.717 ms

39.037 ms te1-8.ccr01.lon01.atlas.cogentco.com (130.117.3.226)
0.565 ms

6 gi6-0-0.core01.lon01.atlas.cogentco.com (130.117.1.73) 0.592 ms

0.450 ms 0.483 ms

7 213.206.131.29 (213.206.131.29) 0.581 ms 0.503 ms 0.483 ms

8 sl-bb21-lon-3-0.sprintlink.net (213.206.129.152) 1.078 ms 0.905
ms

0.934 ms

9 *
From 208.91.188.138

traceroute to ops2.lnc.rnmd.net (91.102.40.18), 30 hops max, 38 byte

packets

1 v1-core-sw1 (208.91.188.130) 0.600 ms 0.456 ms 2.105 ms

2 f0-0-4-0-pat2 (207.0.21.114) 0.416 ms 0.466 ms 0.486 ms

3 sl-st1-sc-2-6.sprintlink.net (144.228.111.25) 0.455 ms 0.224 ms

0.236 ms

4 sl-crs2-sj-0-1-0-3.sprintlink.net (144.232.20.196) 1.482 ms 1.477

ms 1.232 ms

5 sl-st20-sj-12-0-0.sprintlink.net (144.232.20.63) 2.482 ms 2.472
ms

2.485 ms

6 po5-3.core01.sjc03.atlas.cogentco.com (154.54.13.49) 2.732 ms

2.472 ms 2.485 ms

7 te3-1.mpd01.sjc03.atlas.cogentco.com (154.54.6.85) 2.705 ms 2.723

ms 2.735 ms

8 vl3493.ccr02.sjc01.atlas.cogentco.com (154.54.6.109) 3.231 ms

vl3492.mpd01.sjc01.atlas.cogentco.com (154.54.6.105) 3.227 ms

vl3491.ccr02.sjc01.atlas.cogentco.com (154.54.6.101) 2.726 ms

9 te9-3.mpd01.sfo01.atlas.cogentco.com (154.54.2.53) 3.968 ms 3.722

ms te8-3.ccr02.sfo01.atlas.cogentco.com (154.54.2.137) 3.988 ms

10 te9-2.ccr02.mci01.atlas.cogentco.com (154.54.24.118) 50.943 ms

te7-4.mpd01.mci01.atlas.cogentco.com (154.54.24.106) 50.944 ms
50.720

ms

11 te9-3.ccr02.ord01.atlas.cogentco.com (154.54.25.78) 50.669 ms

63.423 ms te9-3.mpd01.ord01.atlas.cogentco.com (154.54.25.82)
51.206 ms

12 te2-1.ccr02.bos01.atlas.cogentco.com (154.54.7.170) 78.172 ms

te3-3.mpd01.bos01.atlas.cogentco.com (154.54.7.82) 100.666 ms

te2-1.ccr02.bos01.atlas.cogentco.com (154.54.7.170) 78.176 ms

13 * * *
Thanks,
craig
________________________
Craig Holland
Rhythm NewMedia
Sr. Director Operations & Integration
YIM: cholland