3Com 4500G Family Configuration Manual page 842

[DeviceD-rrpp-domain2] quit
# Enable RRPP.
[DeviceD] rrpp enable
5) Configuration on Device E
# Create VLAN 20, map VLAN 20 to MSTI 2, and activate MST region configuration.
<DeviceE> system-view
[DeviceE] vlan 20
[DeviceE-vlan20] quit
[DeviceE] stp region-configuration
[DeviceE-mst-region] instance 2 vlan 20
[DeviceE-mst-region] active region-configuration
[DeviceE-mst-region] quit
# Disable STP on GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2, configure the two ports as trunk
ports, remove them from VLAN 1, and assign them to VLAN 20, and configure them to trust the 802.1p
precedence of the received packets.
[DeviceE] interface gigabitethernet 1/0/1
[DeviceE-GigabitEthernet1/0/1] undo stp enable
[DeviceE-GigabitEthernet1/0/1] port link-type trunk
[DeviceE-GigabitEthernet1/0/1] undo port trunk permit vlan 1
[DeviceE-GigabitEthernet1/0/1] port trunk permit vlan 20
[DeviceE-GigabitEthernet1/0/1] qos trust dot1p
[DeviceE-GigabitEthernet1/0/1] quit
[DeviceE] interface gigabitethernet 1/0/2
[DeviceE-GigabitEthernet1/0/2] undo stp enable
[DeviceE-GigabitEthernet1/0/2] port link-type trunk
[DeviceE-GigabitEthernet1/0/2] undo port trunk permit vlan 1
[DeviceE-GigabitEthernet1/0/2] port trunk permit vlan 20
[DeviceE-GigabitEthernet1/0/2] qos trust dot1p
[DeviceE-GigabitEthernet1/0/2] quit
# Create RRPP domain 2, configure VLAN 105 as the primary control VLAN, and configure the VLAN
mapped to MSTI 2 as the protected VLAN.
[DeviceE] rrpp domain 2
[DeviceE-rrpp-domain2] control-vlan 105
[DeviceE-rrpp-domain2] protected-vlan reference-instance 2
# Configure Device E as the master mode of subring 2 in RRPP domain 2, with GigabitEthernet 1/0/2 as
the primary port and GigabitEthernet 1/0/1 as the secondary port, and enable ring 2.
[DeviceE-rrpp-domain2]
secondary-port gigabitethernet 1/0/1 level 1
[DeviceE-rrpp-domain2] ring 2 enable
[DeviceE-rrpp-domain2] quit
# Enable RRPP.
[DeviceE] rrpp enable
6) Configuration on Device F
# Create VLAN 10, map VLAN 10 to MSTI 1, and activate MST region configuration.
ring 2 node-mode master
1-31
primary-port gigabitethernet 1/0/2