We have seen this too, particularly through DFW. Reports I get back from both sides agree with the "business issue" diagnosis. As such we have moved all traffic toward Verizon away from Cogent links. Tnx Chris On 12/20/2013 10:18 AM, Grant Ridder wrote:
Ah ok. Thanks for the quick reply! From what I can see in traceroutes, Verizon -> Alter -> telia has issues.
Traceroute excerpt:
2 1 ms 1 ms 1 ms500.Serial3-7.GW10.DFW9.ALTER.NET <http://500.Serial3-7.GW10.DFW9.ALTER.NET> [157.130.150.73] 3 59 ms 13 ms 1 ms0.so-1-0-2.XT3.DFW9.ALTER.NET <http://0.so-1-0-2.XT3.DFW9.ALTER.NET> [152.63.101.130] 4 20 ms 21 ms 16 msTenGigE0-4-1-0.GW4.DFW13.ALTER.NET <http://TenGigE0-4-1-0.GW4.DFW13.ALTER.NET> [152.63.101.54] 5 2 ms 2 ms 2 msteliasonera-gw.customer.alter.net <http://teliasonera-gw.customer.alter.net> [63.65.123.46] 6 25 ms 25 ms 25 mschi-bb1-link.telia.net <http://chi-bb1-link.telia.net> [213.248.80.148]
On Fri, Dec 20, 2013 at 7:04 AM, Matthew Huff <mhuff@ox.com <mailto:mhuff@ox.com>> wrote:
Unfortunately this has been going on for many months between Cogent and Cogent's peers. We had to engineer around cogent because anytime one of our users tried to use a VPN to us, it was unusable. From what I have heard, this is a business not a technical issue and isn't going to be resolved anytime soon. There have been periods where the loss is less, but generally > 0.
---- Matthew Huff | 1 Manhattanville Rd Director of Operations | Purchase, NY 10577 OTA Management LLC | Phone: 914-460-4039 <tel:914-460-4039>
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-- Chris Griffin cgriffin@ufl.edu Sr. Network Engineer - CCNP Phone: (352) 273-1051 CNS - Network Services Fax: (352) 392-9440 University of Florida/FLR Gainesville, FL 32611