HP 6125XLG Configuration Manual page 55

[Sysname-Vlan-interface3] ipv6 address 2001::1 64
[Sysname-Vlan-interface3] mad nd enable
You need to assign a domain ID (range: 0-4294967295)
[Current domain is: 1]:
The assigned
6. Configure Device E as the intermediate device:
CAUTION:
If the intermediate device is also in an IRF fabric, assign the two IRF fabrics different domain IDs for
correct split detection. False detection causes IRF split.
# Enable the spanning tree feature globally on Device E to prevent loops.
<DeviceE> system-view
[DeviceE] stp global enable
# Create VLAN 3, and add ports Ten-GigabitEthernet 1/0/1, Ten-GigabitEthernet 1/0/2,
Ten-GigabitEthernet 1/0/3, and Ten-GigabitEthernet 1/0/4 to VLAN 3 for forwarding ND MAD
packets.
[DeviceE] vlan 3
[DeviceE-vlan3] port ten-gigabitethernet 1/0/1 to ten-gigabitethernet 1/0/4
[DeviceE-vlan3] quit
domain ID is: 1
51