Hi,
Because I tested on the same router. Therefore,I used logcial system for establising.
My backbone used OSPF3 as IGP for IPv6 and the neoghbor of OSPF is up.
> show ospf3 neighbor
ID Interface State Pri Dead
212.18.144.8 rlt0.0 Full 128 30
Neighbor-address fe80::3a4f:490f:fc00:13e
As refered your document, "deaggregate" is not working , but "transport-preference ipv4" seems be working.
I don't know why it is working ?
I ever supposed my firewall filter on loopback that denied connection of LDP, but it wasn't working even removing all filter.
> show ldp database
Input label database, 212.18.144.6:0--212.18.144.8:0
Labels received: 2
Label Prefix
299968 212.18.144.6/32
3 212.18.144.8/32
3 2001:df1:3100:0:212:18:144:8/128
Output label database, 212.18.144.6:0--212.18.144.8:0
Labels advertised: 2
Label Prefix
3 212.18.144.6/32
299968 212.18.144.8/32
3 2001:df1:3100:0:212:18:144:6/128