3Com 4210G Series Configuration Manual page 758

VLAN 1, and assign them to VLAN 10 and VLAN 20, and configure them to trust the 802.1p
precedence of the received packets.
[DeviceC] interface gigabitethernet 1/0/1
[DeviceC-GigabitEthernet1/0/1] link-delay 0
[DeviceC-GigabitEthernet1/0/1] undo stp enable
[DeviceC-GigabitEthernet1/0/1] port link-type trunk
[DeviceC-GigabitEthernet1/0/1] undo port trunk permit vlan 1
[DeviceC-GigabitEthernet1/0/1] port trunk permit vlan 10 20
[DeviceC-GigabitEthernet1/0/1] qos trust dot1p
[DeviceC-GigabitEthernet1/0/1] quit
[DeviceC] interface gigabitethernet 1/0/2
[DeviceC-GigabitEthernet1/0/2] link-delay 0
[DeviceC-GigabitEthernet1/0/2] undo stp enable
[DeviceC-GigabitEthernet1/0/2] port link-type trunk
[DeviceC-GigabitEthernet1/0/2] undo port trunk permit vlan 1
[DeviceC-GigabitEthernet1/0/2] port trunk permit vlan 10 20
[DeviceC-GigabitEthernet1/0/2] qos trust dot1p
[DeviceC-GigabitEthernet1/0/2] quit
# Configure the suppression time of physical-link-state changes on GigabitEthernet 1/0/3 as zero,
disable STP, configure the port as a trunk port, remove it from VLAN 1, and assign it to VLAN 20, and
configure it to trust the 802.1p precedence of the received packets.
[DeviceC] interface gigabitethernet 1/0/3
[DeviceC-GigabitEthernet1/0/3] link-delay 0
[DeviceC-GigabitEthernet1/0/3] undo stp enable
[DeviceC-GigabitEthernet1/0/3] port link-type trunk
[DeviceC-GigabitEthernet1/0/3] undo port trunk permit vlan 1
[DeviceC-GigabitEthernet1/0/3] port trunk permit vlan 20
[DeviceC-GigabitEthernet1/0/3] qos trust dot1p
[DeviceC-GigabitEthernet1/0/3] quit
# Configure the suppression time of physical-link-state changes on GigabitEthernet 1/0/4 as zero,
disable STP, configure the port as a trunk port, remove it from VLAN 1, and assign it to VLAN 10, and
configure it to trust the 802.1p precedence of the received packets.
[DeviceC] interface gigabitethernet 1/0/4
[DeviceC-GigabitEthernet1/0/4] link-delay 0
[DeviceC-GigabitEthernet1/0/4] undo stp enable
[DeviceC-GigabitEthernet1/0/4] port link-type trunk
[DeviceC-GigabitEthernet1/0/4] undo port trunk permit vlan 1
[DeviceC-GigabitEthernet1/0/4] port trunk permit vlan 10
[DeviceC-GigabitEthernet1/0/4] qos trust dot1p
[DeviceC-GigabitEthernet1/0/4] quit
# Create RRPP domain 1, configure VLAN 10 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.
[DeviceC] rrpp domain 1
[DeviceC-rrpp-domain1] control-vlan 100
[DeviceC-rrpp-domain1] protected-vlan reference-instance 1
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