nanog mailing list archives

Re: Pointer for documentation on actually delivering IPv6


From: Bill Fehring <lists () billfehring com>
Date: Sun, 5 Dec 2010 12:24:39 -0800

On Sat, Dec 4, 2010 at 19:52, Ben Jencks <ben () bjencks net> wrote:
DHCPv6-PD (prefix delegation) with the relay installing static routes
is probably the most straightforward way.

Apparently that has it's own problems right now actually:
http://blog.ioshints.info/2010/10/dhcpv6-relaying-another-trouble-spot.html

Letting home CPE participate
in routing does indeed seem like bad idea; I haven't heard that
seriously suggested before.

I guess "Comcast Business Class" cable service isn't necessarily
considered home service, but I wouldn't call it a dedicated bandwidth
contract either. The CPE that they use (SMCD3G or similar) actually
does this for v4, that is if you purchase a "Static IP Block" from
them, they actually use RIPv2 to send your prefix (usually a /27 or
longer) to the headend. Obviously authentication is used and the CPE
firmware prevents the end user from tampering with any part of the RIP
configuration, but the point is that RIP actually is used at a large
scale for this purpose.

-Bill


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