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Re: 2.4.21+ - IPv6 over IPv4 tunneling b0rked

To: YOSHIFUJI Hideaki / ???? <yoshfuji@xxxxxxxxxxxxxx>
Subject: Re: 2.4.21+ - IPv6 over IPv4 tunneling b0rked
From: Mika Penttilä <mika.penttila@xxxxxxxxxxx>
Date: Thu, 10 Jul 2003 22:57:12 +0300
Cc: cat@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx, pekkas@xxxxxxxxxx
References: <20030710154302.GE1722@zip.com.au> <20030711.005542.04973601.yoshfuji@linux-ipv6.org>
Sender: netdev-bounce@xxxxxxxxxxx
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.2) Gecko/20030208 Netscape/7.02


But 3ffe:8001:000c:ffff::36 is _not_ subnet routers anycast address. Anyway, 
looks like a bug to me...


--Mika


YOSHIFUJI Hideaki / ???? wrote:

In article <20030710154302.GE1722@xxxxxxxxxx> (at Fri, 11 Jul 2003 01:43:03 +1000), 
CaT <cat@xxxxxxxxxx> says:



With 2.4.21-pre2 I can get a nice tunnel going over my ppp connection
and as such get ipv6 connectivity. I think went to 2.4.21 and then to
2.4.22-pre4 and bringing up the tunnel fails as follows:


:


ip addr add 3ffe:8001:000c:ffff::37/127 dev sit1
ip route add ::/0 via 3ffe:8001:000c:ffff::36 RTNETLINK answers: Invalid argument



This is not bug, but rather misconfiguration;
you cannot use prefix::, which is mandatory subnet routers anycast address, as unicast address.


Thank you.






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