nanog mailing list archives
Re: congestion between Cogent and CenturyLink
From: "Paul S." <contact () winterei se>
Date: Fri, 28 Feb 2014 12:04:34 +0900
+1, which semi-large eyeball does Cogent NOT have capacity problems to? On 2/28/2014 午前 11:55, Suresh Ramasubramanian wrote:
With cogent? Now you will be asking us if the Pope is really Catholic :) On 28-Feb-2014 7:43 AM, "Aidan Scheller" <aidan () aodhandigital com> wrote:Hello, We send periodic 10-15Mbps bursts of traffic to a business partner and it appears to transition from Cogent to Century Link in Atlanta. During the day performance is normal and latency appears acceptable on a trace route. 12 ms 13 ms 12 ms te0-6-1-7.rcr21.msp01.atlas.cogentco.com [38.88.188.41] 26 ms 26 ms 27 ms be2410.ccr22.ord01.atlas.cogentco.com [154.54.7.229] 43 ms 44 ms 44 ms be2099.ccr22.atl01.atlas.cogentco.com [154.54.28.74] 44 ms 44 ms 44 ms be2051.ccr21.atl02.atlas.cogentco.com [154.54.0.162] 43 ms 42 ms 43 ms qwest.atl02.atlas.cogentco.com [154.54.13.30] 49 ms 49 ms 50 ms min-edge-10.inet.qwest.net [205.171.128.154] But after hours latency spikes and throughput drops to less than 1Mbps. te8-3.ccr01.msp01.atlas.cogentco.com (38.88.188.41) 4.603 ms te0-0-0-19.mpd22.ord01.atlas.cogentco.com (154.54.1.230) 17.838 ms be2099.ccr22.atl01.atlas.cogentco.com (154.54.28.74) 33.156 ms be2051.ccr21.atl02.atlas.cogentco.com (154.54.0.162) 36.449 ms qwest.atl02.atlas.cogentco.com (154.54.13.30) 89.583 ms min-edge-10.inet.qwest.net (205.171.128.150) 89.806 ms Century Link stated that Cogent is oversubscribing the link, and that they've requested Cogent resolve the problem, but that action has yet to be taken. I've tried reaching out to Cogent but as we're not a direct customer they wouldn't provide assistance. Has anyone else seen similar issues? Thanks, Aidan
Current thread:
- congestion between Cogent and CenturyLink Aidan Scheller (Feb 27)
- Re: congestion between Cogent and CenturyLink Suresh Ramasubramanian (Feb 27)
- Re: congestion between Cogent and CenturyLink Paul S. (Feb 27)
- Re: congestion between Cogent and CenturyLink Stephen Frost (Feb 27)
- Re: congestion between Cogent and CenturyLink Jason Canady (Feb 27)
- Re: congestion between Cogent and CenturyLink Edward Roels (Feb 27)
- Re: congestion between Cogent and CenturyLink Paul S. (Feb 27)
- Re: congestion between Cogent and CenturyLink Suresh Ramasubramanian (Feb 27)