Honestly from the Internet Health Report, I've noticed connections between Level3 and Cogent are red quite a bit. http://www.internethealthreport.com/
Bad samples or peering issues could be the cause either way, but it's been ongoing for awhile. Sincerely, Eric Tykwinski TrueNet, Inc. P: 610-429-8300 F: 610-429-3222 On Dec 7, 2013, at 3:40 PM, Jason Canady <ja...@unlimitednet.us> wrote: > Unfortunately Cogent has a lot of peering issues. We use them in our network > blend and we have been having lots of problems with traffic outbound to > Comcast. It looks like from South Bend, Indiana on Cogent to Chicago / Level > 3 we are getting a very tiny amount of packet loss and a higher than 'normal' > latency of 35ms+. > > Where are you connected to Cogent at? And what destination are you going to > on Level 3? > > Best Regards, > > -- > > Jason Canady > Unlimited Net, LLC > Responsive, Reliable, Secure > > www.unlimitednet.us > ja...@unlimitednet.us > twitter: @unlimitednet > > On 12/7/13 3:14 PM, Matthew Crocker wrote: >> Anyone seeing issues between Cogent & Level3 in NYC? >> >> I have Sprint & Cogent for bandwidth. Everything has been humming along >> for a couple years just fine. Yesterday around 8:00AM my BGP session with >> Cogent flapped. Now, when my Cogent BGP is up I get 100% packet loss in >> level3 land. When Cogent BGP is down (i.e. I’m running solely on Sprint) >> Everything is fine. >> >> I have an open ticket with Cogent. They say they have a ‘capacity issue’ >> with level3 that has been escalated to executive levels. >> >> With Sprint & Cogent BGP UP >> I see traceroutes showing traffic leaving me on Sprint but returning on >> Cogent (and failing at level3). I’m guessing it is the level3/cogent border >> >> With Sprint UP & Cogent Down >> I see trace routes showing traffic on to/from on Sprint just fine. >> >> >> Anyone else having issues? >> >> -Matt >> >> -- >> Matthew S. Crocker >> President >> Crocker Communications, Inc. >> PO BOX 710 >> Greenfield, MA 01302-0710 >> >> E: matt...@crocker.com >> P: (413) 746-2760 >> F: (413) 746-3704 >> W: http://www.crocker.com >> >> >> >> > >
