H3C Technologies H3C SecPath F5020 - Manual (Page 68)

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[Sysname-Vlan-interface3] mad nd enable
You need to assign a domain ID (range: 0-4294967295)
[Current domain is: 1]:
The assigned domain ID is: 1
4. Configure Device C as the intermediate device:
CAUTION:
If the intermediate device is also 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, and map the ND MAD VLAN to MSTI 1 in the MST
region.
system-view
[DeviceC] stp global enable
[DeviceC] stp region-configuration
[DeviceC-mst-region] region-name ndmad
[DeviceC-mst-region] instance 1 vlan 3
[DeviceC-mst-region] active region-configuration
[DeviceC-mst-region] quit
# Create VLAN 3, and add GigabitEthernet 4/0/1 and GigabitEthernet 4/0/2 to VLAN 3.
[DeviceC] vlan 3
[DeviceC-vlan3] port gigabitethernet 4/0/1 gigabitethernet 4/0/2
[DeviceC-vlan3] quit
Configuration example for restoring standalone mode
Network requirements
Break the IRF fabric in Figure 21 , and change the operating mode of Device A and Device B from IRF to
standalone.
Figure 21 Network diagram