DES-3326 Layer 3 Fast Ethernet Switch User’s Guide

Figure 7-20. 802.1Q Static VLANs Entry Settings – Edit window

The following fields can then be set:

 

 

Parameter

Description

 

VLAN ID (VID)

Allows the entry of the name of an existing VLAN. VLANs

 

 

can be identified by either the VID or the VLAN name.

Port

Allows an individual port to be specified as member of a

 

 

VLAN.

 

 

Tag

Allows an individual port to be specified as either Tagging or

 

 

Untagging. No Check in the Tag field, untagging, specifies

 

 

the port as an Untagging 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. A Check in the Tag field, tagging, specifies

 

 

the port as a Tagging 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.

Egress

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.

 

 

Forbidden

Forbidden Non-Member - specifies the port as not being a

 

 

member of the VLAN and that the port is forbidden from

 

 

becoming a member of the VLAN dynamically.

 

 

 

 

 

Choose which ports will be members of the new VLAN and enter their membership status in the Port field. Next, determine which of the ports that are members of the new VLAN will be Tagged or Untagged ports.

To set a port as either a Tagged or an Untagged port:

Check the Tag click-box for each port that will be a tagging port. Each port’s state can be set by clicking the port’s click-box.

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