root@OpenWrt:~# tcpdump -ieth1 -v ip6
tcpdump: listening on eth1, link-type EN10MB (Ethernet), capture size 65535 bytes
05:16:53.142816 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 80) fe80::201:5cff:fe32:3181 > ff02::1: [icmp6 sum ok] ICMP6, router advertisement, length 80
hop limit 0, Flags [managed, other stateful], pref medium, router lifetime 1800s, reachable time 30000s, retrans time 1000s
prefix info option (3), length 32 (4): 2001:558:4000:9c::/64, Flags [none], valid time 604800s, pref. time 302400s
prefix info option (3), length 32 (4): 2001:558:6045:9c::/64, Flags [none], valid time 604800s, pref. time 302400s
But they require DHCPv6, and the DHCPv6 server isn't active yet. However, I can manually grab an address from the first /64:
root@OpenWrt:~# ip -6 addr add 2001:558:4000:9c::f00 dev eth1
And it's actually usable:
root@OpenWrt:~# traceroute6 www.he.net traceroute to he.net (2001:470:0:76::2) from 2001:558:4000:9c::f00, 30 hops max, 16 byte packets 1 * * * 2 te-2-1-ur03.santaclara.ca.sfba.comcast.net (2001:558:82:84::1) 11.985 ms 10.607 ms 10.86 ms 3 te-0-4-0-2-ar01.sfsutro.ca.sfba.comcast.net (2001:558:80:170::1) 35.751 ms 13.676 ms 23.497 ms 4 pos-3-3-0-0-cr01.sanjose.ca.ibone.comcast.net (2001:558:0:f6f9::1) 15.837 ms 14.509 ms 15.286 ms 5 pos-0-3-0-0-pe01.529bryant.ca.ibone.comcast.net (2001:558:0:f5e3::2) 14.004 ms 13.14 ms 14.596 ms 6 if-xe-2-3-0.0.tcore1.PDI-PaloAlto.ipv6.as6453.net (2001:5a0:1200:300::19) 13.985 ms 45.535 ms 12.955 ms 7 if-ae2.2.tcore2.PDI-PaloAlto.ipv6.as6453.net (2001:5a0:1200:300::2) 13.854 ms 15.705 ms 12.756 ms 8 if-10-0-0.3256.core3.SQN-SanJose.ipv6.as6453.net (2001:5a0:1200:400::12) 16.68 ms 19.562 ms 14.504 ms 9 gigabitethernet5-16.core1.sjc2.he.net (2001:470:0:196::1) 14.391 ms 15.972 ms 17.979 ms 10 10gigabitethernet1-1.core1.fmt1.he.net (2001:470:0:2f::1) 15.985 ms 19.075 ms 24.804 ms 11 * * * 12 * * *
There's no obvious way to get a routed subnet yet, though I was able to patch in a client behind my router using Proxy NDP. It's quite a mess, though, so I'm switching back to my HE.net tunnel until the service is production-ready.
Update: since someone asked, here's what happens when I connect my desktop directly to the cable modem and run a DHCPv6 client.
# dhclient -6 -v eth0 Internet Systems Consortium DHCP Client 4.2.3-P1 Gentoo-r0 Copyright 2004-2011 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Bound to *:546 Listening on Socket/eth0 Sending on Socket/eth0 PRC: Soliciting for leases (INIT). XMT: Forming Solicit, 0 ms elapsed. XMT: X-- IA_NA fc:db:2a:d6 XMT: | X-- Request renew in +3600 XMT: | X-- Request rebind in +5400 XMT: Solicit on eth0, interval 1060ms. XMT: Forming Solicit, 1060 ms elapsed. XMT: X-- IA_NA fc:db:2a:d6 XMT: | X-- Request renew in +3600 XMT: | X-- Request rebind in +5400 XMT: Solicit on eth0, interval 2120ms.
So, there's no response from the DHCPv6 server, although the address is pingable:
# ping6 -Ieth0 ff02::1:2 PING ff02::1:2(ff02::1:2) from fe80::21b:fcff:fedb:2ad6 eth0: 56 data bytes 64 bytes from fe80::201:5cff:fe32:3181: icmp_seq=1 ttl=64 time=9.63 ms 64 bytes from fe80::201:5cff:fe32:3181: icmp_seq=2 ttl=64 time=9.81 ms
