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Port Assignment Screen
DIGITAL MultiSwitch 700 Port Based VLAN User’s Guide 3-11
VLAN ID (Selectable)
The ID number of the VLAN that is associated with the current port. This
is the VLAN ID that any untagged frame will be classified into.
VLAN Name (Read-Only)
The name that is associated with the current VLAN ID.
3.4.1 Changing the Port Mode
To change the operational mode of a port, proceed as follows.
1. Use the arrow keys to highlight the PORT MODE field for the
module and port combination you wish to change.
2. Use the SPACE bar or BACKSPACE key to step through the available
selections. A port may be configured for any of the following modes:
a. 1Q TRUNK: This mode sets the port for transmitting to another
802.1Q aware device. In this mode, all frames are transmitted with
a tag header included in the frame (excluding BPDUs). The switch
will drop all untagged frames it receives on the 1Q Trunk port. The
port’s Egress List includes all VLANs.
b. 1d TRUNK: This mode sets the port for transmitting to a legacy
802.1d switch fabric and allows multiple VLANs to share
services. In this mode, all frames are transmitted untagged, and the
switch expects to receive only untagged frames through the
1d Trunk port. This mode also updates the Egress List for the port
to be eligible for all VLANs. The 1d Trunk mode can be used in
conjunction with the Open Mode (see Section 2.3.5, Setting the
Operational Mode) and the Default VLAN to share a connection
among multiple VLANs, for example, making a server available
to two or more separate VLANs.
c. HYBRID: This mode assigns the PVID and the forwarding list of
the Default VLAN to the port. If the PVID changes, the result is
the replacement of the previous PVID with the new PVID in the
Egress List. The exception to this is that the Default PVID does
remain on the list if the switch is configured to forward the Default
VLAN out all ports. The forwarding list always has an untagged
frame format for the entry that matches the PVID. A Hybrid port
will receive and allow both tagged and untagged frames.