I completely agree, the only possible explanation would be if they actually get paid by Google for IPv4 transit (either directly or indirectly), or somehow use Google's IPv4 traffic as a leverage to pad the in/out ratios (and/or overall traffic levels) such as to continue to enjoy settlement-free peering with other transit providers.
C. On 25 February 2016 at 13:04, Matthew D. Hardeman <[email protected]> wrote: > What’s truly amazing to me about this is that only Cogent seems to be > engaging in this kind of behavior on IPv6. Furthermore, the only people > Cogent is hurting with their willful ignorance of the changing peering > landscape in IPv6 is THEIR OWN PAYING CUSTOMERS. Which is really bizarre > when you think about it. I’m trying to understand this from Cogent’s > perspective and failing. They are creating a problem that impacts only their > customers while others do not create this same problem. How can they imagine > this is benefiting them? > > >> On Feb 24, 2016, at 1:53 PM, Max Tulyev <[email protected]> wrote: >> >> If you connected to Internet ONLY through Cogent - there is no other >> way. If you have another upstreams - Google should be reachable. >> >> On 24.02.16 21:46, Matt Hoppes wrote: >>> Correct me if I'm wrong, but if Cogent isn't peering with Google IPv6, >>> shouldn't the traffic flow out to one of their peer points where another >>> peer DOES peer with Google IPv6 and get you in? >>> >>> Isn't that how the Internet is suppose to work? >>> >>> >>> On 2/24/16 2:43 PM, Damien Burke wrote: >>>> Not sure. I got the same thing today as well. >>>> >>>> Is this some kind of ipv6 war? >>>> >>>> -----Original Message----- >>>> From: NANOG [mailto:[email protected]] On Behalf Of Ian Clark >>>> Sent: Wednesday, February 24, 2016 10:25 AM >>>> To: NANOG >>>> Subject: Cogent & Google IPv6 >>>> >>>> Anyone know what's actually going on here? We received the following >>>> information from the two of them, and this just started a week or so ago. >>>> >>>> >>>> *From Cogent, the transit provider for a branch office of ours:* >>>> >>>> Dear Cogent Customer, >>>> >>>> Thank you for contacting Cogent Customer Support for information about >>>> the Google IPv6 addresses you are unable to reach. >>>> >>>> Google uses transit providers to announce their IPv4 routes to Cogent. >>>> >>>> At this time however, Google has chosen not to announce their IPv6 >>>> routes to Cogent through transit providers. >>>> >>>> We apologize for any inconvenience this may cause you and will notify >>>> you if there is an update to the situation. >>>> >>>> >>>> >>>> *From Google (re: Cogent):* >>>> >>>> Unfortunately it seems that your transit provider does not have IPv6 >>>> connectivity with Google. We suggest you ask your transit provider to >>>> look for alternatives to interconnect with us. >>>> >>>> Google maintains an open interconnect policy for IPv6 and welcomes any >>>> network to peer with us for access via IPv6 (and IPv4). For those >>>> networks that aren't able, or chose not to peer with Google via IPv6, >>>> they are able to reach us through any of a large number of transit >>>> providers. >>>> >>>> For more information in how to peer directly with Google please visit >>>> https://peering.google.com >>>> >>>> >>>> -- >>>> Ian Clark >>>> Lead Network Engineer >>>> DreamHost

