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D-Link DHS-3224V Switch User’s Guide
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3. Highlight the Action:<Add/Modify> field and toggle between Add/Modify and Delete. In the
Add/Modify mode, both individual entrees to a selected VLAN and entire VLANs can be added. In the
Delete mode, entire VLANs can be deleted. VLANs to be edited can be selected by either the VID#[ ]
field or the VLAN Name:[ ] fields. Enter either the VID or the VLAN Name for the 802.1Q VLAN you
want to edit and press Enter.
Note: To delete an entire VLAN, toggle the Action:<Add/Modify> field to Delete, enter
either the VID or the VLAN Name in the appropriate field and press Enter. Highlight
Apply and press Enter. The selected VLAN will be deleted. To save the change into
Non-volatile RAM, select Save Changes from the Main Menu.
The 802.1Q VLANs are edited by specifying which ports will be Egress Members, Forbidden non-members or
non-members.
The ports are further set to be either a Tagged or an Untagged port.
To edit the 802.1Q VLAN membership of a port:
Highlight the first field of Membership (E/F/-): [ ][ ][ ]. Each port’s 802.1Q VLAN membership can be set
individually by highlighting the port’s entry using the arrow keys, and then toggling between E, F, or – using the
space bar.
E (Egress Member) specifies the port as being a static member of the VLAN. Egress Member Ports are
ports that will be transmitting traffic for the VLAN. These ports can be either tagged or untagged.
- (Non-Member) specifies the port as not being a member of the VLAN, but the port can become a
member of the VLAN dynamically.
To edit a port’s Tagged or Untagged status:
Highlight the first field of Tagging (U/T):[ ][ ][ ] field. Each port’s state can be set by highlighting the port’s
entry using the arrow keys and then toggling between U or T using the space bar.
U - specifies the port as an Untagged member of the VLAN. When an untagged packet is transmitted
by the port, the packet header remains unchanged. When a tagged packet exits the port, the tag is
stripped and the packet is changed to an untagged packet.
T - specifies the port as a Tagged member of the VLAN. When an untagged packet is transmitted by
the port, the packet header is changed to include the 32-bit tag associated with the PVID (Port VLAN
Identifier – see below). When a tagged packet exits the port, the packet header is unchanged.
If the port is attached to a device that is not IEEE 802.1Q VLAN compliant (VLAN-tag unaware), then the port
should be set to U – Untagged.
If the port is attached to a device that is IEEE 802.1Q VLAN compliant, (VLAN-tag aware), then the port should
be set to T – Tagged.
Each port can be configured to have a PVID or to use an Ingress Filter.
To configure a port’s 802.1Q VLAN settings:
Highlight the Configure Port#[ ] field and enter the port number of the port you want to configure. Use the
arrow keys to highlight the PVID#[ ] field and enter the PVID for the port.
PVID – Port VLAN Identifier – is a classification mechanism that associates a port with a specific
VLAN and is used to make forwarding decisions for untagged packets received by the port. For
example, if port #2 is assigned a PVID of 3, then all untagged packets received on port #2 will be
assigned to VLAN 3. This number is generally the same as the VID# number assigned to the port in the
Edit Existing 802.1Q VLANs menu above.
Use the arrow keys to highlight the remaining fields and the space bar to toggle between On and Off.
Ingress Filter – this enables the port to compare the VID tag of an incoming packet with the PVID
number assigned to the port. If the two are different, the port filters (drops) the packet.