D-Link DWC-2000 User Manual 140
Section 5 - Advanced Network Conguration
Double VLANs
Path: Network > VLAN > Advanced VLAN > Double VLAN
Double VLAN Tunneling allows the use of a second tag on network trac. The additional tag helps dierentiate
between customers in the Metropolitan Area Networks (MAN) while preserving individual customer’s VLAN
identication when they enter their own 802.1Q domain.
With the introduction of this second tag, you do not need to divide the 4k VLAN ID space to send trac on an
Ethernet‐based MAN.
With Double VLAN Tunneling enabled, every frame that is transmitted from an interface has a DVlan Tag attached
while every packet that is received from an interface has a tag removed (if one or more tags are present).
Use the Double VLAN Tunneling page to congure Double VLAN frame tagging on one or more ports.
1. Go to Network > VLAN > Advanced VLAN > Double VLAN tab.
2. Click Add New Double VLAN.
3. Select the Ether Type: Dot1q, VLAN, or Custom Tag.
4. Click Save.
3. Complete the elds in the table below and click Save.
Field Description
VLAN ID Specify the VLAN ID to associate with this group. The range is 1‐3965.
Group ID Identies the group to congure.
Group Name
(Optional) Enter or modify a name to associate with protocol group ID. The name can
be up to 16 characters.
Interface Selects the interface(s) to add or remove from this group.
Protocol List Specify one or more protocols to associate with this group.
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