T3700G-28TQ
 
JetStream 28-Port Gigabit Stackable L3 Managed Switch CLI Guide 
 
47 
Syntax 
switchport dot1q-tunnel mapping c-vlan sp-vlan [descript] 
no switchport dot1q-tunnel mapping c-vlan 
Parameter 
c-vlan —— Customer VLAN ID, ranging from 1 to 4094. 
sp-vlan —— Service Provider VLAN ID, ranging from 1 to 4094. 
descript —— Give a description to the VLAN Mapping entry, which contains 15 
characters at most.   
Command Mode 
Interface Configuration Mode (interface fastEthernet / interface range 
fastEthernet / interface gigabitEthernet / interface range gigabitEthernet/ 
interface ten-gigabitEthernet / interface range ten-gigabitEthernet) 
Example 
Add a VLAN Mapping entry on the Gigabit Ethernet port 1/0/3 with the Customer 
VLAN as VLAN 2 and the Service Provider VLAN as VLAN 3: 
T3700G-28TQ(config)#interface gigabitEthernet 1/0/3 
T3700G-28TQ(config-if)#switchport dot1q-tunnel mapping 2 3 
switchport dot1q-tunnel mode 
Description 
The switchport dot1q-tunnel mode command is used to configure the VPN 
port’s mode. To close this VPN port, please use the no switchport 
dot1q-tunnel mode command. By default, no port has been configured as the 
VPN port. The VPN port mode uni and nni cannot switch to each other directly, 
so please close the VPN port and switch to the other mode if needed.   
Syntax 
switchport dot1q-tunnel mode { uni/nni } 
no switchport dot1q-tunnel mode 
Parameter 
uni ——The port connected to the clients. 
nni ——The port connected to the ISP.