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RE: [dhcwg] RFC 3633 Question
David:
In a multiple relay (well, really router since we're talking about
routing) situation, the routers need to have some protocol to
communicate with each other and it is assumed that is how that is
handled. This is no different than the initial lease (which likely is
communicated via only one path); it is no different than other learned
routes. If you have multiple partners participating, you need to have
some way to distribute the information between them. This is left to the
routers and is not up to DHCP to do, IMHO.
Unless you have the DHCP server itself participate in the routing
protocols, you really have no other options?
If you were designing this, what would you do?
- Bernie
-----Original Message-----
From: David W. Hankins [mailto:David_Hankins at isc.org]
Sent: Thursday, January 04, 2007 4:25 PM
To: dhcwg at ietf.org
Subject: Re: [dhcwg] dhc wg last call on agent-ASCII"
Content-Transfer-Encoding: quoted-printable
In IPv6, routers communicate the routing information via
Routing Advertisements (see RFCs 2461 and 2462). There is no need for
DHCPv6 to do this. (And if you don't have a router, why do you need any routing
information.) This type of functionality (Routing Advertisements) doesn't really
exist in IPv4, hence DHCPv4 needed to communicate this
information.
Prefix delegation is primarily design for use by routers,
not hosts (unless a host is also serving as a router).
- Bernie
Hi!
Based
on RFC 3633 - IPv6 Prefix Options for DHCPv6, the specified nodes
involved in the operation are routers such as the requesting router - the router
that acts as a DHCP client that is requesting for prefix(es) and
a delegating router that acts as the DHCP server. My question are, thus the
option (IA_PD) mentioned here is only intended when DHCP is running on
a router ( a packet forwarding node) and not on a host ( non-forwarding packet
node)? Is there a DHCPv6 option for specifying gateway or router just like
in IPv4 when a DHCPv6 is running on a non-forwarding packet node, in
which it will provide options for routers?
Thank you very
much.
Archimedes S.
Gaviola
Network
Engineer
InfoWeapons
Corporation
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