Hello,
my hardware is hAP lite and RoS 6.35.2.
This is my configuration for DHCPv6:
[admin@home] > /ipv6 pool print
Flags: D - dynamic
# NAME PREFIX PREFIX-LENGTH EXPIRES-AFTER
0 pool1 2001:460:5adf::/48 64
[admin@home] > /ipv6 dhcp-server print
Flags: D - dynamic, X - disabled, I - invalid
# NAME INTERFACE ADDRESS-POOL PREFERENCE LEASE-TIME
0 server1 lan pool1 255 3d
[admin@home] > /ipv6 nd prefix print
Flags: X - disabled, I - invalid, D - dynamic
0 prefix=::/64 interface=lan on-link=yes autonomous=no valid-lifetime=4w2d preferred-lifetime=1w
1 D prefix=2001:460:5adf::/64 interface=lan on-link=yes autonomous=no valid-lifetime=4w2d preferred-lifetime=1w
[admin@home] > /ipv6 nd print
Flags: X - disabled, I - invalid, * - default
0 XI* interface=wlan1 ra-interval=3m20s-10m ra-delay=3s mtu=unspecified reachable-time=unspecified retransmit-interval=unspecified ra-lifetime=30m hop-limit=unspecified advertise-mac-address=yes advertise-dns=yes managed-address-configuration=yes
other-configuration=yes
1 interface=lan ra-interval=3m20s-10m ra-delay=3s mtu=unspecified reachable-time=unspecified retransmit-interval=unspecified ra-lifetime=30m hop-limit=unspecified advertise-mac-address=yes advertise-dns=yes managed-address-configuration=yes
other-configuration=yes
[admin@home] > /ipv6 address print
Flags: X - disabled, I - invalid, D - dynamic, G - global, L - link-local
# ADDRESS FROM-POOL INTERFACE ADVERTISE
0 G 2001:460:6e:7b0::2/64 sit1 no
1 DL fe80::4e5e:cff:fef1:8638/64 ether1-gateway no
2 DL fe80::fefd:0/64 sit1 no
3 DL fe80::4e5e:cff:fef1:863c/64 wlan1 no
4 DL fe80::4e5e:cff:fef1:8639/64 lan no
5 G 2001:460:5adf::/64 pool1 lan yes
[admin@home] >
I have connected devices in interface lan. This is bridge.