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Re: Source Specific Query of MLDv2

To: Takashi Hibi <hibi665@xxxxxxx>
Subject: Re: Source Specific Query of MLDv2
From: David Stevens <dlstevens@xxxxxxxxxx>
Date: Thu, 15 Jan 2004 12:47:41 -0700
Cc: netdev@xxxxxxxxxxx
Importance: Normal
Sender: netdev-bounce@xxxxxxxxxxx
Sensitivity:

Takashi,
You're right that MLD packets should be excluded from the
interface filters. I'll take a look at this.

Also, it has nothing to do with this problem, but the code is based on
draft 6, so any changes between draft 6 and draft 8 (if there are any
in the protocol) won't be there (yet).

thanks!

+-DLS

Sent by: netdev-bounce@xxxxxxxxxxx

To: netdev@xxxxxxxxxxx
cc:
Subject: Source Specific Query of MLDv2



Hi all,

I found another problem of MLDv2.
The host doesn't respond to Source Specific Query.
It happens in the following scenario.

At first, host join multicast address with source address.
Then MLDv2 router issues Source Specific Query.
The source address of the query packet is link-local address of the
router's interface, and the destination address is the multicast address
to be queried. (See section 5.1.4 in draft-vida-mld-v2-08.txt)

But it seems that the query packet is filtered by ipv6_chk_mcast_addr(),
since the source address is not included in the source list.
As a result, no response to the query is produced .

Regards,
Takashi Hibi




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