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 <max...@netassist.ua> 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:nanog-boun...@nanog.org] 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
>>> 
>> 
> 

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