nanog mailing list archives

Re: Cogent & Google IPv6


From: Max Tulyev <maxtul () netassist ua>
Date: Wed, 24 Feb 2016 21:53:07 +0200

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-bounces () 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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