Re: [rfc2462bis issue 278] 2462bis for "routers"

[JINMEI Tatuya / $B?@L at C#:H(B <jinmei at isl.rdc.toshiba.co.jp>]

>>>>> On Fri, 06 Feb 2004 13:50:44 +0200, 
>>>>> Jari Arkko <jari.arkko@kolumbus.fi> said:

> JINMEI Tatuya wrote:

>> The autoconfiguration process specified in this document applies only
>> to hosts and not routers. Since host autoconfiguration uses
>> information advertised by routers, routers will need to be configured
>> by some other means. However, it is expected that routers will
>> generate link-local addresses using the mechanism described in this
>> document. In addition, routers are expected to successfully pass the
>> Duplicate Address Detection procedure described in this document on
>> all addresses prior to assigning them to an interface.

> Strictly speaking, routers need to be configured with prefixes as
> well as possibly some routing information, or at least information
> sufficient to run routing protocols.

> It is not clear to me that their global IP addresses have to configured.
> It could be based on its own prefix + IID information, or am I missing
> something? Why is there a difference above for link-local and global
> addresses?

(Note that the quoted part above from my message is not my own
proposal; the text is in RFC2462.  So, what I'm saying here is my
understanding of RFC2462)

The difference is whether the configuring node needs an RA from other
routers to configure the (link-local or global) address.  More
specifically, what the above part wants to say is, in my understanding:

  - Section 5.3 (Creation of Link-Local Addresses) should apply to all
    nodes: hosts and routers
  - Section 5.5 (Creation of Global and Site-Local Addresses) should
    only apply to hosts, not to routers

If this is not clear enough in RFC2462, this can be an issue in
rfc2462bis.  I myself this is already pretty clear in RFC2462 though.

					JINMEI, Tatuya
					Communication Platform Lab.
					Corporate R&D Center, Toshiba Corp.
					jinmei@isl.rdc.toshiba.co.jp

--------------------------------------------------------------------
IETF IPv6 working group mailing list
ipv6@ietf.org
Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6
--------------------------------------------------------------------