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Re: Adding of destination options in IPv6

To: netdev@xxxxxxxxxxx
Subject: Re: Adding of destination options in IPv6
From: Stefan Schlott <stefan.schlott@xxxxxxxxxxxxxxxxxx>
Date: Mon, 10 Jul 2000 22:50:47 +0200
In-reply-to: <20000710174922.57526@xxxxxxxxxxxx>; from ak@xxxxxx on Mon, Jul 10, 2000 at 05:49:23PM +0200
References: <200007071235.QAA02612@xxxxxxxxxxxxx> <Pine.SOL.4.10.10007101628230.10709-100000@xxxxxxxxxxxxxxxxxxx> <20000710174922.57526@xxxxxxxxxxxx>
Sender: owner-netdev@xxxxxxxxxxx
User-agent: Mutt/1.2i
Hello,

> > I think that there is a need for such a mechanism. At least Mobile IPv6
> > and probably also IPSec need to add destination options to all packets
> > sent to certain addresses independently of the sockets. We have added
> > hooks to our Mobile IPv6 module into ip6_output.c's ip6_xmit and
> > ip6_build_xmit to add the options before fragmentation is done.
> 2.4 has netfilterv6, so the right place for it is probably a netfilter
> module.
Please tell me that I am wrong, but afaik the netfilter hooks only return
fragmented packets (nf6 hooks are called after fragmentation when sending,
and before defragmentation when receiving a packet).

Stefan.

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