From: "Mika Penttilä" <mika.penttila@kolumbus.fi>
To: Mika Liljeberg <mika.liljeberg@welho.com>
Cc: Pekka Savola <pekkas@netcore.fi>, Andre Tomt <andre@tomt.net>,
linux-kernel@vger.kernel.org, netdev@oss.sgi.com
Subject: Re: 2.4.21+ - IPv6 over IPv4 tunneling b0rked
Date: Fri, 11 Jul 2003 18:16:09 +0300 [thread overview]
Message-ID: <3F0ED4B9.9000105@kolumbus.fi> (raw)
In-Reply-To: 1057933954.695.6.camel@hades
Mika Liljeberg wrote:
>Nope, since the tunnel interface will have 2002::/16. It seems to work
>with the attached patch (against 2.4.21-ac4). A small fix to sit was
>required as well. Look:
>
>
ok, forgot that...looks ok to me.
--Mika
>hades:~# ifconfig 6to4
>6to4 Link encap:IPv6-in-IPv4
> inet6 addr: ::213.243.180.94/128 Scope:Compat
> inet6 addr: 2002:d5f3:b45e::1/16 Scope:Global
> UP RUNNING NOARP MTU:1480 Metric:1
> RX packets:4 errors:0 dropped:0 overruns:0 frame:0
> TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:416 (416.0 b) TX bytes:496 (496.0 b)
>
>hades:~# ip -6 route list
>::/96 via :: dev 6to4 metric 256 mtu 1480 advmss 1420
>2002::/16 dev 6to4 proto kernel metric 256 mtu 1480 advmss 1420
>fe80::/64 dev eth0 proto kernel metric 256 mtu 1500 advmss 1440
>fe80::/64 dev 6to4 proto kernel metric 256 mtu 1480 advmss 1420
>ff00::/8 dev eth0 proto kernel metric 256 mtu 1500 advmss 1440
>ff00::/8 dev 6to4 proto kernel metric 256 mtu 1480 advmss 1420
>default via 2002:c058:6301:: dev 6to4 metric 1024 mtu 1480 advmss 1420
>hades:~# ping6 -c4 -n www.ipv6.org
>PING www.ipv6.org(2001:6b0:1:ea:a00:20ff:fe8f:708f) 56 data bytes
>64 bytes from 2001:6b0:1:ea:a00:20ff:fe8f:708f: icmp_seq=1 ttl=250 time=207 ms
>64 bytes from 2001:6b0:1:ea:a00:20ff:fe8f:708f: icmp_seq=2 ttl=250 time=206 ms
>64 bytes from 2001:6b0:1:ea:a00:20ff:fe8f:708f: icmp_seq=3 ttl=250 time=177 ms
>64 bytes from 2001:6b0:1:ea:a00:20ff:fe8f:708f: icmp_seq=4 ttl=250 time=78.5 ms
>
>--- www.ipv6.org ping statistics ---
>4 packets transmitted, 4 received, 0% packet loss, time 3030ms
>rtt min/avg/max/mdev = 78.547/167.637/207.698/52.821 ms
>
>Anyone see any problems with this?
>
> MikaL
>
>
>
>------------------------------------------------------------------------
>
>--- route.c.org 2003-07-11 16:41:55.000000000 +0300
>+++ route.c 2003-07-11 16:42:16.000000000 +0300
>@@ -743,7 +743,7 @@
> some exceptions. --ANK
> */
> err = -EINVAL;
>- if (!(gwa_type&IPV6_ADDR_UNICAST))
>+ if (!(gwa_type&(IPV6_ADDR_UNICAST|IPV6_ADDR_ANYCAST)))
> goto out;
>
> grt = rt6_lookup(gw_addr, NULL, rtmsg->rtmsg_ifindex, 1);
>--- sit.c.org 2003-07-11 16:57:53.000000000 +0300
>+++ sit.c 2003-07-11 17:17:42.000000000 +0300
>@@ -495,10 +495,13 @@
> addr_type = ipv6_addr_type(addr6);
> }
>
>- if ((addr_type & IPV6_ADDR_COMPATv4) == 0)
>- goto tx_error_icmp;
>+ if ((addr_type & IPV6_ADDR_COMPATv4))
>+ dst = addr6->s6_addr32[3];
>+ else
>+ dst = try_6to4(addr6);
>
>- dst = addr6->s6_addr32[3];
>+ if (!dst)
>+ goto tx_error_icmp;
> }
>
> if (ip_route_output(&rt, dst, tiph->saddr, RT_TOS(tos), tunnel->parms.link)) {
>
>
next prev parent reply other threads:[~2003-07-11 14:55 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-10 15:43 2.4.21+ - IPv6 over IPv4 tunneling b0rked CaT
2003-07-10 15:55 ` YOSHIFUJI Hideaki / 吉藤英明
2003-07-10 15:58 ` CaT
2003-07-10 16:08 ` Pekka Savola
2003-07-10 16:18 ` 2.4.21+ - IPv6 over IPv4 tunneling broken YOSHIFUJI Hideaki / 吉藤英明
2003-07-10 16:19 ` Pekka Savola
2003-07-13 14:49 ` 2.4.21+ - IPv6 over IPv4 tunneling b0rked Anand Kumria
2003-07-13 16:23 ` Pekka Savola
2003-07-10 19:57 ` Mika Penttilä
2003-07-10 16:27 ` Mika Liljeberg
2003-07-10 23:39 ` CaT
2003-07-11 0:04 ` Mika Liljeberg
2003-07-11 1:49 ` Andre Tomt
2003-07-11 2:03 ` Mika Liljeberg
2003-07-11 2:03 ` 2.4.21+ - IPv6 over IPv4 tunneling broken YOSHIFUJI Hideaki / 吉藤英明
2003-07-11 4:51 ` 2.4.21+ - IPv6 over IPv4 tunneling b0rked Pekka Savola
2003-07-11 5:20 ` Mika Liljeberg
2003-07-11 5:22 ` Pekka Savola
2003-07-11 5:39 ` YOSHIFUJI Hideaki / 吉藤英明
2003-07-11 8:46 ` Pekka Savola
2003-07-11 9:04 ` YOSHIFUJI Hideaki / 吉藤英明
2003-07-11 9:39 ` Mika Penttilä
2003-07-11 9:39 ` Mika Penttilä
2003-07-11 10:03 ` Pekka Savola
2003-07-11 10:47 ` YOSHIFUJI Hideaki / 吉藤英明
2003-07-11 10:47 ` Pekka Savola
2003-07-11 10:59 ` YOSHIFUJI Hideaki / 吉藤英明
2003-07-11 10:59 ` Pekka Savola
2003-07-11 11:03 ` YOSHIFUJI Hideaki / 吉藤英明
2003-07-11 11:04 ` Pekka Savola
2003-07-11 11:36 ` Mika Liljeberg
2003-07-11 11:48 ` Pekka Savola
2003-07-11 12:09 ` Mika Liljeberg
2003-07-11 12:48 ` Mika Penttilä
2003-07-11 13:38 ` Mika Liljeberg
2003-07-11 14:27 ` Mika Penttilä
2003-07-11 14:32 ` Mika Liljeberg
2003-07-11 15:16 ` Mika Penttilä [this message]
[not found] <20030710.214551.08349572.davem@redhat.com>
2003-07-14 23:49 ` kuznet
2003-07-15 6:14 ` Pekka Savola
2003-07-15 14:46 ` kuznet
2003-07-15 17:29 ` Pekka Savola
2003-07-15 23:19 ` kuznet
2003-07-16 6:03 ` Pekka Savola
2003-07-17 0:03 ` kuznet
2003-07-17 6:50 ` Pekka Savola
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