[147858] in North American Network Operators' Group

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Re: IPv6 RA vs DHCPv6 - The chosen one?

daemon@ATHENA.MIT.EDU (Masataka Ohta)
Fri Dec 23 15:52:03 2011

Date: Sat, 24 Dec 2011 05:52:47 +0900
From: Masataka Ohta <mohta@necom830.hpcl.titech.ac.jp>
To: Michael Sinatra <michael@rancid.berkeley.edu>
In-Reply-To: <4EF4CCE0.5060304@rancid.berkeley.edu>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

Michael Sinatra wrote:

> The only time you need to perform extra steps is when you want to run
> DHCPv6.  You need to enable the M and/or O flags and turn off the
> 'autonomous' flag (if you don't want a host to get both SLAAC addresses
> and DHCPv6 addresses.

That's a configuration of RA, not DHCPv6.

> Then you need to turn on relaying unless you are
> putting the DHCPv6 server on the same wire.

As I wrote:

> Just as most, if not all, NAT boxes have preconfigured DHCPv4
> service to offer part of preconfigured private address
> space, home IPv6 routers may have preconfigured DHCPv6
> service to offer part of configured public address space.

local DHCPv6 server should be running locally by default.

						Masataka Ohta


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