Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269917AbTGKM2e (ORCPT ); Fri, 11 Jul 2003 08:28:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269922AbTGKM2e (ORCPT ); Fri, 11 Jul 2003 08:28:34 -0400 Received: from notes.hallinto.turkuamk.fi ([195.148.215.149]:51979 "EHLO notes.hallinto.turkuamk.fi") by vger.kernel.org with ESMTP id S269917AbTGKM1p (ORCPT ); Fri, 11 Jul 2003 08:27:45 -0400 Message-ID: <3F0EB227.50403@kolumbus.fi> Date: Fri, 11 Jul 2003 15:48:39 +0300 From: =?ISO-8859-15?Q?Mika_Penttil=E4?= User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.2) Gecko/20030208 Netscape/7.02 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Mika Liljeberg CC: Pekka Savola , Andre Tomt , linux-kernel@vger.kernel.org, netdev@oss.sgi.com Subject: Re: 2.4.21+ - IPv6 over IPv4 tunneling b0rked References: <1057925366.896.24.camel@hades> X-MIMETrack: Itemize by SMTP Server on marconi.hallinto.turkuamk.fi/TAMK(Release 5.0.8 |June 18, 2001) at 11.07.2003 15:43:48, Serialize by Router on notes.hallinto.turkuamk.fi/TAMK(Release 5.0.10 |March 22, 2002) at 11.07.2003 15:43:14, Serialize complete at 11.07.2003 15:43:14 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-15; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2170 Lines: 77 It turns out to be the (otherwise valid) check for IFF_LOOPBACK for gateway's address in ip6_route_add() that gives EINVAL for prefix::, and has nothing to do with iid being 0, just a coinsidence.... --Mika Mika Liljeberg wrote: >On Fri, 2003-07-11 at 14:48, Pekka Savola wrote: > > >>On 11 Jul 2003, Mika Liljeberg wrote: >> >> >>>Here's a valid use for subnet router anycase that isn't working. >>>Somebody asked me how to set up 6to4, so I did a little testing. >>> >>>Doesn't work: >>> >>>hades:~# ip route add ::/0 via 2002:c058:6301:: >>>RTNETLINK answers: Invalid argument >>> >>>Works: >>> >>>hades:~# ip route add ::/0 via 2002:c058:6301::1 >>> >>>Unfortunately the first form is what I need: >>> >>>hades:~# host -t AAAA 6to4.ipv6.funet.fi >>>6to4.ipv6.funet.fi has AAAA address 2001:708:0:1::624 >>>6to4.ipv6.funet.fi has AAAA address 2002:c058:6301:: >>> >>> >>I think that in this particular case, if should have configured your >>interface address with 2002:v4:addr::/16, of which subnet anycast router >>address would be 2002::. >> >> > >Ah ok. It *is* configured with a /16. As far as my host is concerned, >2002:c058:6301:: should be just a unicast address like any other, so >maybe there is a IID==0 check somewhere? > > > >>>So apparently there really is an inappropriate subnet router anycast >>>sanity check. Please fix this! >>> >>> >>This *may* be caused by another issue too: nexthop's must be given in the >>compatible "::192.88.99.1" format, not 2002:xxxx :-( >> >>I sent a patch on over a year or so ago, but it didn't gain that much >>enthusiasm.. >> >> > >I vote for fixing this too. :-) > > MikaL > >- >To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >the body of a message to majordomo@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html >Please read the FAQ at http://www.tux.org/lkml/ > > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/