This BUG is still present on Ubuntu 14.04.1, look:
---
user@desk-1:~$ ip -6 route
2001:129X:2bX:Xfff::/64 dev wlan0 proto kernel metric 256 expires 85937sec
fe80::/64 dev wlan0 proto kernel metric 256
default via fe80::6666:b3ff:fe4b:20f4 dev wlan0 proto static metric 1 # WRONG!!
default via fe80::6666:b3ff:fe4b:20f4 dev wlan0 proto ra metric 1024 expires 1337sec
---
The first "default" line is definitely wrong. It remains there even after a disabled RA daemon (like in a H.A. for IPv6), which "breaks the IPv6 architecture for router redundancy - as OP said".
Guys,
This BUG is still present on Ubuntu 14.04.1, look:
--- 2bX:Xfff: :/64 dev wlan0 proto kernel metric 256 expires 85937sec b3ff:fe4b: 20f4 dev wlan0 proto static metric 1 # WRONG!! b3ff:fe4b: 20f4 dev wlan0 proto ra metric 1024 expires 1337sec
user@desk-1:~$ ip -6 route
2001:129X:
fe80::/64 dev wlan0 proto kernel metric 256
default via fe80::6666:
default via fe80::6666:
---
The first "default" line is definitely wrong. It remains there even after a disabled RA daemon (like in a H.A. for IPv6), which "breaks the IPv6 architecture for router redundancy - as OP said".
Trusty needs to be patched ASAP!