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Re: 2.4.21+ - IPv6 over IPv4 tunneling broken

To: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@xxxxxxxxxxxxxx>
Subject: Re: 2.4.21+ - IPv6 over IPv4 tunneling broken
From: Pekka Savola <pekkas@xxxxxxxxxx>
Date: Thu, 10 Jul 2003 19:19:57 +0300 (EEST)
Cc: cat@xxxxxxxxxx, <linux-kernel@xxxxxxxxxxxxxxx>, <netdev@xxxxxxxxxxx>
In-reply-to: <20030711.011858.117900702.yoshfuji@linux-ipv6.org>
Sender: netdev-bounce@xxxxxxxxxxx
On Fri, 11 Jul 2003, YOSHIFUJI Hideaki / [iso-2022-jp] 吉藤英明 wrote:
> In article <Pine.LNX.4.44.0307101906160.18224-100000@xxxxxxxxxx> (at Thu, 10 
> Jul 2003 19:08:20 +0300 (EEST)), Pekka Savola <pekkas@xxxxxxxxxx> says:
> 
> > While technically correct, I'm still not sure if this is (pragmatically) 
> > the correct approach.  It's OK to set a default route to go to the 
> > subnet routers anycast address (so, setting a route to prefix:: should 
> > not give you EINVAL).
> 
> But, on the other side cannot use prefix::, and
> the setting is rather non-sense.

Not really.  From the host perspective:

"I want to set default route to SOME default router" 

(there may be multiple routers in the LAN, while only one at a time is
actively responding to the anycast address; if that one goes away, 
another one takes its place.)
 
> We should educate people not to use /127; use /64 instead.
> v6ops? :-)

That's another story..

-- 
Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings


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