Hello there,
I am testing Windows XP for a while and I am - of course :) - trying the IPv6
connectivity.
I already have a Linux machine with ipv6 up and running, using 3ffe:8171:10:8::/64. I
decided to reserve 3ffe:8171:10:8::1984:0:0/96 to this LAN test.
On the Linux machine, I used:
# ifconfig eth0 inet6 add 3ffe:8171:10:8::1984:0:5/96
# /sbin/route -A inet6 add 3ffe:8171:10:8:0:1984:0:5/96 dev eth0
And on WinXP, after installing the ipv6 stack, I used:
> ipv6 adu 4/3ffe:8171:10:8:0:1984:0:1
> ipv6 rtu ::/0 4/3ffe:8171:10:8:0:1984:0:5
4 is the number of my ethernet card.
At this point, the two machines can ping each other:
root@dejavu:~# ping6 -c3 3ffe:8171:10:8:0:1984:0:1
PING 3ffe:8171:10:8:0:1984:0:1(3ffe:8171:10:8:0:1984:0:1) from
3ffe:8171:10:8:0:1984:0:5 : 56 data bytes
64 bytes from 3ffe:8171:10:8:0:1984:0:1: icmp_seq=0 hops=128 time=196 usec
64 bytes from 3ffe:8171:10:8:0:1984:0:1: icmp_seq=1 hops=128 time=224 usec
64 bytes from 3ffe:8171:10:8:0:1984:0:1: icmp_seq=2 hops=128 time=235 usec
--- 3ffe:8171:10:8:0:1984:0:1 ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max/mdev = 0.196/0.218/0.235/0.020 ms
C:\>ping6 -n 3 3ffe:8171:10:8:0:1984:0:1
Esecuzione di Ping 3ffe:8171:10:8:0:1984:0:1
da 3ffe:8171:10:8:0:1984:0:1 con 32 byte di dati:
Risposta da 3ffe:8171:10:8:0:1984:0:1: byte=32 durata<1ms
Risposta da 3ffe:8171:10:8:0:1984:0:1: byte=32 durata<1ms
Risposta da 3ffe:8171:10:8:0:1984:0:1: byte=32 durata<1ms
Statistiche ping per 3ffe:8171:10:8:0:1984:0:1:
Pacchetti: Inviati = 3, Ricevuti = 3, Persi = 0 (perdita 0%),
Tempi andata e ritorno approssimativi in millisecondi:
Minimo = 0ms, Massimo = 0ms, Medio = 0ms
>From the WinXP machine I can also ping6 the other ipv6 addresses of the linux machine
>that belong to the sit0 interface.
The problem takes place when I try to go outside:
C:\>ping6 -n 3 6bone.net
Esecuzione di Ping 6bone.net [3ffe:b00:c18:1::10]
da 3ffe:8171:10:8:0:1984:0:1 con 32 byte di dati:
Risposta da 3ffe:8171:10:8:0:1984:0:5: Indirizzo destinazione non raggiungibile.
Risposta da 3ffe:8171:10:8:0:1984:0:5: Indirizzo destinazione non raggiungibile.
Risposta da 3ffe:8171:10:8:0:1984:0:5: Indirizzo destinazione non raggiungibile.
Statistiche ping per 3ffe:b00:c18:1::10:
Pacchetti: Inviati = 3, Ricevuti = 0, Persi = 3 (perdita 100%),
This means "Destination address unreachable". But, of course, from the Linux box it
works perfectly:
root@dejavu:~# ping6 -c3 6bone.net
PING 6bone.net(www.6bone.net) 56 data bytes
64 bytes from www.6bone.net: icmp_seq=0 hops=61 time=191.871 msec
64 bytes from www.6bone.net: icmp_seq=1 hops=61 time=201.166 msec
64 bytes from www.6bone.net: icmp_seq=2 hops=61 time=192.911 msec
--- 6bone.net ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max/mdev = 191.871/195.316/201.166/4.158 ms
My routing table looks like:
root@dejavu:~# route -A inet6
Kernel IPv6 routing table
Destination Next Hop
Flags Metric Ref Use Iface
::1/128 :: U
: 0 883 0 lo
::127.0.0.1/128 :: U
: 0 0 0 lo
::151.38.3.230/128 :: U
: 0 0 0 lo
::192.168.0.5/128 :: U
: 0 0 0 lo
::/96 :: U
: 256 215 0 sit0
3ffe:8171:10:8::1/128 :: U
0 3261 0 lo
3ffe:8171:10:8::2/128 :: U
0 3362 0 lo
3ffe:8171:10:8::3/128 :: U
0 17 0 lo
3ffe:8171:10:8::4/128 :: U
0 1182 0 lo
3ffe:8171:10:8::5/128 :: U
0 5157 0 lo
3ffe:8171:10:8::6/128 :: U
0 0 0 lo
3ffe:8171:10:8::7/128 :: U
0 3221 0 lo
3ffe:8171:10:8::8/128 :: U
0 0 0 lo
3ffe:8171:10:8::9/128 :: U
0 32 0 lo
3ffe:8171:10:8::a/128 :: U
0 31 0 lo
3ffe:8171:10:8::b/128 :: U
0 830 0 lo
3ffe:8171:10:8::c/128 :: U
0 25348 0 lo
3ffe:8171:10:8::d/128 :: U
0 1206 0 lo
3ffe:8171:10:8::e/128 :: U
0 36740 0 lo
3ffe:8171:10:8::f/128 :: U
0 1723 0 lo
3ffe:8171:10:8::1984/128 :: U
0 6962 0 lo
3ffe:8171:10:8::b1b0/128 :: U
0 10038 0 lo
3ffe:8171:10:8::1984:0/112 :: UA
256 0 0 eth0
3ffe:8171:10:8:0:1984:0:1/128 3ffe:8171:10:8:0:1984:0:1 UC
0 42 1 eth0
3ffe:8171:10:8:0:1984:0:5/128 :: U
0 17 0 lo
3ffe:8171:10:8:0:1984::/96 :: U
1 0 0 eth0
3ffe:8171:10:8:0:1984::/96 :: UA
256 0 0 eth0
fe80::b49f:b872/128 :: U
0 0 0 lo
fe80::30:4f05:c648/128 :: U
0 23 0 lo
fe80::200:b4ff:fe9f:b872/128 :: U
0 0 0 lo
fe80::230:4fff:fe05:c648/128 :: U
0 0 0 lo
fe80::/10 :: UA
256 0 0 eth0
fe80::/10 :: UA
256 0 0 eth1
fe80::/10 :: UA
256 0 0 sit0
ff00::/8 :: UA
256 0 0 eth0
ff00::/8 :: UA
256 0 0 eth1
ff00::/8 :: UA
256 0 0 sit0
::/0 ::213.92.8.2 UG
: 1 8783 0 sit0
::/0 :: UA
: 256 0 0 eth0
::/0 :: UA
: 256 0 0 sit0
The "3ffe:8171:10:8::1984:0/112" route is from an earlier test, but I had not any
success in removing it.
I also tried echoing '1' into /proc/sys/net/ipv6/conf/all/forwarding, with no
improvement.
If I start a tcpdump when I try the ping6 from the inner machine, this is what I get:
root@dejavu:~# tcpdump -ieth0 port not ssh
tcpdump: listening on eth0
01:10:28.736078 3ffe:8171:10:8:0:1984:0:1 > www.6bone.net: icmp6: echo request
01:10:28.736163 fe80::30:4f05:c648 > ff02::1:ff00:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:28.736173 fe80::30:4f05:c648 > ff02::1:0:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:29.735736 fe80::30:4f05:c648 > ff02::1:ff00:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:29.735749 fe80::30:4f05:c648 > ff02::1:0:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:30.735722 fe80::30:4f05:c648 > ff02::1:ff00:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:30.735735 fe80::30:4f05:c648 > ff02::1:0:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:31.735725 3ffe:8171:10:8:0:1984:0:5 > 3ffe:8171:10:8:0:1984:0:1: [|icmp6]
01:10:31.742238 3ffe:8171:10:8:0:1984:0:1 > www.6bone.net: icmp6: echo request
01:10:31.742281 fe80::30:4f05:c648 > ff02::1:ff00:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:31.742289 fe80::30:4f05:c648 > ff02::1:0:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:32.735695 fe80::30:4f05:c648 > ff02::1:ff00:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:32.735709 fe80::30:4f05:c648 > ff02::1:0:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:33.293632 fe80::250:fcff:fe31:dbf8 > 3ffe:8171:10:8:0:1984:0:5: icmp6: neighbor
sol: who has 3ffe:8171:10:8:0:1984:0:5
01:10:33.293692 3ffe:8171:10:8:0:1984:0:5 > fe80::250:fcff:fe31:dbf8: icmp6: neighbor
adv: tgt is 3ffe:8171:10:8:0:1984:0:5
01:10:33.735679 fe80::30:4f05:c648 > ff02::1:ff00:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:33.735691 fe80::30:4f05:c648 > ff02::1:0:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:34.735691 3ffe:8171:10:8:0:1984:0:5 > 3ffe:8171:10:8:0:1984:0:1: [|icmp6]
01:10:34.742262 3ffe:8171:10:8:0:1984:0:1 > www.6bone.net: icmp6: echo request
01:10:34.742336 fe80::30:4f05:c648 > ff02::1:ff00:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:34.742345 fe80::30:4f05:c648 > ff02::1:0:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:35.735659 fe80::30:4f05:c648 > ff02::1:ff00:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:35.735674 fe80::30:4f05:c648 > ff02::1:0:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:36.735646 fe80::30:4f05:c648 > 3ffe:8171:10:8:0:1984:0:1: icmp6: neighbor sol:
who has 3ffe:8171:10:8:0:1984:0:1
01:10:36.735668 fe80::30:4f05:c648 > ff02::1:ff00:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:36.735691 fe80::30:4f05:c648 > ff02::1:0:10: icmp6: neighbor sol: who has
www.6bone.net
01:10:36.735828 3ffe:8171:10:8:0:1984:0:1 > fe80::30:4f05:c648: icmp6: neighbor adv:
tgt is 3ffe:8171:10:8:0:1984:0:1
01:10:37.735650 3ffe:8171:10:8:0:1984:0:5 > 3ffe:8171:10:8:0:1984:0:1: [|icmp6]
Ok, enough to say that I am totally confused and I have no clue about what to do to
make it work.
Could anyone please help with some practical examples?
Thanks in advance :)
Daniele
--
Daniele Nicolucci (Jollino) - [EMAIL PROTECTED]
Web applications programmer (www.webdreamers.net)
IRC Operator on Discussioni.Org (www.discussioni.org)
Mantainer of gopher://gopher.sogno.net:70
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