nanog mailing list archives

Re: What's the current state of major access networks in North America ipv6 delivery status?


From: Antonio Querubin <tony () lava net>
Date: Thu, 27 Jan 2011 15:56:07 -1000 (HST)

On Thu, 27 Jan 2011, Owen DeLong wrote:

If they're routing a /64 to your gateway, you're all set. If they're not,
then, how are you getting the /64 in the first place?

Bridged ethernet across the broadband provider network to the ISP router. Each customer gets a single /64 vlan to their residence. If the customer now wants more than one subnet, the ISP must now route additional prefixes to a customer's gateway. The customer can't just setup a router to break up the single /64 without the ISP carrying a route entry or the customer doing some kind of IPv6 NAT or proxy ND. If the ISP wont route additional prefixes, then the customer is forced to do the latter.


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