3Com S7906E Configuration Manual page 2183

# Configure Device C as the transit node of primary ring 1 in RRPP domain 2, with GigabitEthernet 2/0/1
as the primary port and GigabitEthernet 2/0/2 as the secondary port, and enable ring 1.
[DeviceC-rrpp-domain2] ring 1 node-mode transit primary-port gigabitethernet 2/0/1
secondary-port gigabitethernet 2/0/2 level 0
[DeviceC-rrpp-domain2] ring 1 enable
# Configure Device C as the edge node of subring 2 in RRPP domain 2, with GigabitEthernet 2/0/3 as
the edge port, and enable subring 2.
[DeviceC-rrpp-domain2] ring 2 node-mode edge edge-port gigabitethernet 2/0/3
[DeviceC-rrpp-domain2] ring 2 enable
[DeviceC-rrpp-domain2] quit
# Enable RRPP.
[DeviceC] rrpp enable
4) Configuration on Device D
# Create VLANs 10 and 20, map VLAN 10 to MSTI 1 and VLAN 20 to MSTI 2, and activate MST region
configuration.
<DeviceD> system-view
[DeviceD] vlan 10
[DeviceD-vlan10] quit
[DeviceD] vlan 20
[DeviceD-vlan20] quit
[DeviceD] stp region-configuration
[DeviceD-mst-region] instance 1 vlan 10
[DeviceD-mst-region] instance 2 vlan 20
[DeviceD-mst-region] active region-configuration
[DeviceD-mst-region] quit
# Configure the suppression time of physical-link-state changes on GigabitEthernet 2/0/1 and
GigabitEthernet 2/0/2 as zero, disable STP, configure the two ports as trunk ports, remove them from
VLAN 1, and assign them to VLAN 10 and VLAN 20.
[DeviceD] interface gigabitethernet 2/0/1
[DeviceD-GigabitEthernet2/0/1] link-delay 0
[DeviceD-GigabitEthernet2/0/1] undo stp enable
[DeviceD-GigabitEthernet2/0/1] port link-type trunk
[DeviceD-GigabitEthernet2/0/1] undo port trunk permit vlan 1
[DeviceD-GigabitEthernet2/0/1] port trunk permit vlan 10 20
[DeviceD-GigabitEthernet2/0/1] quit
[DeviceD] interface gigabitethernet 2/0/2
[DeviceD-GigabitEthernet2/0/2] link-delay 0
[DeviceD-GigabitEthernet2/0/2] undo stp enable
[DeviceD-GigabitEthernet2/0/2] port link-type trunk
[DeviceD-GigabitEthernet2/0/2] undo port trunk permit vlan 1
[DeviceD-GigabitEthernet2/0/2] port trunk permit vlan 10 20
[DeviceD-GigabitEthernet2/0/2] quit
# Create RRPP domain 1, configure VLAN 100 as the primary control VLAN of RRPP domain 1, and
configure the VLAN mapped to MSTI 1 as the protected VLAN of RRPP domain 1.
[DeviceD] rrpp domain 1
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