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User Guide 234
Configuring VLAN-VPN (Only for Certain Devices) Basic VLAN-VPN Configuration
TPID Specify the value of TPID. TPID is a field of VLAN tag and is modified to make the
double tagged packets identifiable to devices from different vendors.
Missdrop Enable the Missdrop feature. This option only can take effect on tagged packets.
With Missdrop enabled, the tagged packets that don’t match the VLAN Mapping
entries will be dropped.
Note:
For T2600G-28TS/T2600G-28MPS/T2600G-28SQ/T2600G-52TS, Missdrop can
only be enabled on UNI ports.
For T2600G-18TS, Missdrop can only be enabled on NNI ports.
Use Inner
Priority
Enable this function and the switch will determine the forwarding sequence of the
packets according to the 802.1p priority of the inner VLAN tag.
It is available only when the port role is UNI.
Note:
•
The PVID of the UNI port should be specified as the VLAN ID of the ISP VLAN.
•
The member port of an LAG (Link Aggregation Group) follows the configuration of the LAG and
not its own. The configurations of the port can take effect only after it leaves the LAG.
2.2 Using the CLI
2.2.1 Configuring 802.1Q VLAN
Before configuring VLAN-VPN, create 802.1Q VLAN, add ports to corresponding VLANs
and configure Ingress Checking on ports according to your needs. For details, refer to
Configuring 802.1Q VLAN.
2.2.1 Configuring Basic VLAN-VPN
Follow these steps to configure basic VLAN-VPN:
Step 1 configure
Enter global configuration mode.
Step 2 dot1q-tunnel
Enable the VLAN-VPN feature globally.
Step 3 interface {fastEthernet
port
| range fastEthernet
port-list
| gigabitEthernet
port
| range
gigabitEthernet
port-list
| ten-gigabitEthernet
port
| range ten-gigabitEthernet
port-list
|
port-channel
port-channel-id
| range port-channel
port-channel-list
}
Enter interface configuration mode.
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