Re: [6lowpan] -nd-15: Joining the all-nodes multicast address

Hi Anders,

RFC4861 uses the same wording, where it means you just listen on the
all-nodes multicast address. There is no explicit join method.

I'm not sure in which RFC it describes joining the multicast group. I would
guess RFC4291 as that describes multicast addressing, but there might be
somewhere better.

Regards,

  -Colin

-----Original Message-----
From: 6lowpan-bounces@ietf.org [mailto:6lowpan-bounces@ietf.org] On Behalf
Of Anders Brandt
Sent: February 25, 2011 11:18 AM
To: zach@sensinode.com; 6lowpan
Subject: [6lowpan] -nd-15: Joining the all-nodes multicast address

Having read the doc carefully, I have a question:

Section 5.2 says "A host MUST join the all-nodes multicast address"

Does this mean:
"A host must use some multicast control signaling protocol to inform the
default router that it wants to receive traffic sent to the all-nodes
multicast address.
The host must accept messages sent to the all-nodes multicast address"

OR:

"A host must accept messages sent to the all-nodes multicast address
within the link-local range of the host"

Thanks,
  Anders

-----Original Message-----
From: 6lowpan-bounces@ietf.org [mailto:6lowpan-bounces@ietf.org] On
Behalf Of Carsten Bormann
Sent: 17. februar 2011 16:58
To: 6lowpan
Subject: [6lowpan] Working Group Last call for draft-ietf-6lowpan-nd-15

In September/October, we had the first WGLC on 6LoWPAN-ND, which
resulted in a number of detailed comments and two resulting
fine-tuning iterations of the draft.

draft-ietf-6lowpan-nd-15.txt has been out for two months now.
I understand it has taken part in several interops with multiple
implementations in this period; no issues came up.

We now start the Working Group Last Call on:

   http://tools.ietf.org/html/draft-ietf-6lowpan-nd-15

The document is planned to be submitted by this Working Group to the
IESG for publication as a Standards-Track Document.

This is a two-week Working-Group Last-Call, ending on Thursday,
2011-03-03 at 2359 UTC.

Please review the changes to the document carefully once more, and
send your comments to the 6lowpan list.  Please also do indicate to
the list if you are all-OK with the document.

Gruesse, Carsten

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