IPv6 again!

Michael Dale

I've done some basic IPv6 stuff in the past, which only involved a single IPv6 address and a connection to aarnet. I was going to look into setting up a tunnel on my router (a m0n0wall box) so that I had both a IPv4 address and a IPv6 address but it didn't support IPv6 stuff.

Anyway I've got my cisco 2651 up and connected to the internet and it has full IPv6 support so I decided to give it a go. Aarnet also give you an option to run a full /64 subnet, so I decided to give it a go.

The web interface outputs a shell script that gives you the configuration needed for the router. So I modified by config (with some small changes).



The last section (prefix-advertisement) is similar to DHCP, it assigns an IPv6 address to any IPv6 capable computer/OS. So both my Windows 2000 box (with IPv6 kit installed) and Mac OS X system were given a full routed IPv6 address. No dodgy natted connection here, a full routed /64 subnet. :)

The speed of the IPv6 is pretty good seeing as it is running through an aarnet tunnel.

<sub>electra:~ michaeldale$ ping vee-six.telstra.net
PING vee-six.telstra.net (203.50.0.254): 56 data bytes
64 bytes from 203.50.0.254: icmp_seq=0 ttl=56 time=21.330 ms
64 bytes from 203.50.0.254: icmp_seq=1 ttl=56 time=19.761 ms
64 bytes from 203.50.0.254: icmp_seq=2 ttl=56 time=21.125 ms
64 bytes from 203.50.0.254: icmp_seq=3 ttl=56 time=19.949 ms
^C
--- vee-six.telstra.net ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max/stddev = 19.761/20.541/21.330/0.693 ms
electra:~ michaeldale$ ping6 vee-six.telstra.net
PING6(56=40+8+8 bytes) 2001:388:c148:1:211:24ff:fe2a:f1b3 --> 2001:360::3
16 bytes from 2001:360::3, icmp_seq=0 hlim=58 time=25.059 ms
16 bytes from 2001:360::3, icmp_seq=1 hlim=58 time=25.874 ms
16 bytes from 2001:360::3, icmp_seq=2 hlim=58 time=23.465 ms
16 bytes from 2001:360::3, icmp_seq=3 hlim=58 time=24.281 ms
^C
--- vee-six.telstra.net ping6 statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 23.465/24.670/25.874 ms

electra:~ michaeldale$ traceroute6 vee-six.telstra.net
traceroute6 to vee-six.telstra.net (2001:360::3) from 2001:388:c148:1:211:24ff:fe2a:f1b3, 30 hops max, 12 byte packets
1 2001:388:c148:1:207:eff:fe80:5cc0 2.565 ms 1.756 ms 1.422 ms
2 2001:388:f000::246 25.438 ms 17.068 ms 19.847 ms
3 gigether0-2-0.bb1.a.syd.aarnet.net.au 37.864 ms 27.464 ms 22.706 ms
4 gigabitethernet3-0.bb3.a.syd.aarnet.net.au 28.522 ms 19.571 ms 17.456 ms
5 eth0.ipv6.broadway.aarnet.net.au 25.852 ms 16.863 ms 19.326 ms
6 2001:388:200:4::2 25.896 ms 23.23 ms 25.435 ms
7 2001:388:200:4::2 26.875 ms !P 23.721 ms !P 27.306 ms !P</sub>


And a trace to my mac (the second last hop is my cisco router) from here

_{traceroute6 to 2001:388:c148:1:211:24ff:fe2a:f1b3 (2001:388:c148:1:211:24ff:fe2a:f1b3) from 2001:1888:0:1:290:27ff:fe9a:4b0b, 64 hops max, 12 byte packets
1 puaiohi-fe1-0-1 1.761 ms 1.923 ms 1.961 ms
2 akepa-e0-0-7 2.737 ms 2.865 ms 2.922 ms
3 tunnel-henet-ca-us 62.519 ms 62.382 ms 62.737 ms
4 3ffe:81d0:ffff:1::1 61.172 ms 61.049 ms 61.039 ms
5 3ffe:80a::b1 63.145 ms 61.613 ms 63.022 ms
6 10gigether0-0-0.bb1.a.syd.aarnet.net.au 237.385 ms 227.818 ms 254.435 ms
7 broker1.a.syd.aarnet.net.au 222.550 ms 222.128 ms 223.146 ms
8 2001:388:f000::247 240.004 ms 238.553 ms 240.206 ms
9 2001:388:c148:1:211:24ff:fe2a:f1b3 241.638 ms 240.077 ms 239.622 m}