A small update.
A few days ago my IPv6 BQM graph started working again, my IPv6 connection has been OK all along (apart from the known bng gateway problems)
There have been no changes at my end, the router is still reporting the same IPv6 address that was not responding in my earlier post.
http://www.subnetonline.com/pages/ipv6-network-tools/online-ipv6-ping.phpIPv6 Ping Output:
PING 2a02:16c8:2000:b00:XXXX:XXXX:XXXX:XXXX(2a02:16c8:2000:b00:XXXX:XXXX:XXXX:XXXX) 32 data bytes
40 bytes from 2a02:16c8:2000:b00:XXXX:XXXX:XXXX:XXXX: icmp_seq=0 ttl=58 time=25.7 ms
40 bytes from 2a02:16c8:2000:b00:XXXX:XXXX:XXXX:XXXX: icmp_seq=1 ttl=58 time=25.8 ms
40 bytes from 2a02:16c8:2000:b00:XXXX:XXXX:XXXX:XXXX: icmp_seq=2 ttl=58 time=25.6 ms
40 bytes from 2a02:16c8:2000:b00:XXXX:XXXX:XXXX:XXXX: icmp_seq=3 ttl=58 time=25.8 ms
--- 2a02:16c8:2000:b00:XXXX:XXXX:XXXX:XXXX ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3013ms
rtt min/avg/max/mdev = 25.623/25.780/25.873/0.189 ms, pipe 2
---- Finished ------