On Thu, 9 Sep 2010, Mark Smith wrote:
I don't know about other vendors, however Cisco have a model of SLAAC
address assignment where a single /64 is used for address assignment to
PPP sessions, with the /64 announced in the RA PIO. In effect the PPP
connections become part of a NBMA point to multipoint topology. RADIUS
reports this assignment (as it will with individual /64s per PPP session
too from within a pool).
PPP is not used here. There are numerous different deployment models, PPP
is an expensive one that should be avoided unless there is serious use for
it.
It's when you want to share a subnet with multiple DHCPv6(-PD)-handouted
IP addresses and routed subnets it becomes a bit more complicated. That
situation is what I was referring to.
I'm not really sure I understand the scenario you're describing. I'm
having no trouble with RA + SLAAC + DHCPv6-PD, static and dynamic
assignments of /64 for PPP session and delegated prefixes via
DHCPv6-PD.
ETTH doesn't include PPP for me. Tunneling is expensive.
--
Mikael Abrahamsson email: [email protected]
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