Cogent & Google IPv6
maxtul at netassist.ua
Wed Feb 24 19:53:07 UTC 2016
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 at 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
>> For more information in how to peer directly with Google please visit
>> Ian Clark
>> Lead Network Engineer
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