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DES-7200 Configuration Guide Chapter 12 QinQ Configuration
12-38
Step 5: Configure Uplink port
DES-7200(config)# interface gigabitEthernet 0/5
DES-7200(config-if-GigabitEthernet 0/5)#switchport mode uplink
z Configure Provider S2
Configurations on Provider S2 are the same as those on Provider S1. Please
refer to the configurations on Provider S1 given above.
12.4.5 Verification
Step 1: Verify the configurations of STP protocol transparent transmission. Key
point: whether STP protocol transparent transmission has been enabled.
DES-7200#show l2protocol-tunnel stp
L2protocol-tunnel: Stp Enable
GigabitEthernet 0/1 l2protocol-tunnel stp enable
Step 2: Verify whether the tunnel ports have been properly configured. Key
points: whether port type is dot1q-tunnel, whether the outer Tag VLAN is Native
VLAN and is included in the allowed VLAN list of the port, and whether the
uplink port on provider edge device is Uplink port.
DES-7200#show running-config
interface GigabitEthernet 0/1
switchport mode dot1q-tunnel
switchport dot1q-tunnel allowed vlan add untagged 200
switchport dot1q-tunnel native vlan 200
l2protocol-tunnel stp enable
spanning-tree bpdufilter enable
！
interface GigabitEthernet 0/5
switchport mode uplink
Steps to verify configurations on Provider S2 are the same as those on Provider
S1. Please refer to the verification steps on Provider S1 given above.