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Cogent packet loss to Verizon in San Jose
Issues in NYC today too. We confirmed traffic coming in from VZW as well as Comcast through Cogent to us both seeing drops at that same point.
Matthew Shaw - Sr. Network Administrator
FairPoint Communications | mshaw at fairpoint.com
-----Original Message-----
From: Matthew Huff [mailto:mhuff at ox.com]
Sent: Friday, November 08, 2013 12:49 PM
To: Robert Glover; NANOG Mailing List
Subject: RE: Cogent packet loss to Verizon in San Jose
This has been going on nationwide between Cogent and other peering partners since early 2013 (and in some cases before), but especially between Cogent and Verizon. It's not a technical problem, but a political one.
We resolved our issue by working with our upsteam providers to reconfigure our routing and advertisements to avoid cogent, otherwise, I don't think there is any solution coming within a reasonable timeframe
----
Matthew Huff? | 1 Manhattanville Rd
Director of Operations???| Purchase, NY 10577
OTA Management LLC | Phone: 914-460-4039
> -----Original Message-----
> From: Robert Glover [mailto:robertg at garlic.com]
> Sent: Friday, November 08, 2013 12:30 PM
> To: NANOG Mailing List
> Subject: Cogent packet loss to Verizon in San Jose
>
> Anyone from Cogent around? Normal support channels aren't getting me
> anywhere.
>
> We have been seeing consistent packet loss to Verizon over Cogent in
> San Jose for several days:
>
> HOST: noc-auth1.garlic.com Loss% Snt
> Last Avg Best Wrst StDev
> 1. router.garlic.com 0.0% 10 0.4
> 0.3 0.2 0.4 0.0
> 2. vl203.mag03.sfo01.atlas.cogentco.com 0.0% 10 2.2
> 2.3 2.1 2.4 0.1
> 3. te0-2-0-1.mpd21.sfo01.atlas.cogentco.com 0.0% 10 2.6
> 2.6 2.4 2.8 0.1
> 4. be2166.ccr21.sjc01.atlas.cogentco.com 0.0% 10 3.9
> 3.9 3.7 4.2 0.1
> 5. be2000.ccr21.sjc03.atlas.cogentco.com 0.0% 10 4.7
> 4.4 4.3 4.7 0.1
> 6. verizon.sjc03.atlas.cogentco.com 40.0% 10 80.0
> 80.8 79.9 81.8 0.7
> 7. so-1-0-0-0.SJC01-CORE-RTR1.verizon-gni.net 30.0% 10 82.2
> 87.9 81.1 114.6 11.3
> 8. A8-0-1710.SNFCCA-DSL-01.verizon-gni.net 30.0% 10 83.2
> 83.8 82.1 85.9 1.3
> 9. static-71-116-125-210.snfcca.dsl-w.verizon.net 20.0% 10 108.1
> 107.2 105.7 108.7 1.1
>
>
> We have had to route some customer's traffic out through our alternate
> provider (AS20115), as their VPN's were borked by the packet loss.
>
> Thanks,
> -Bobby
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