Cabletron Systems 802.1Q Manual De Usuario

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Port Filtering Configuration Screen
802.1Q VLAN User’s Guide
3-19
Field Definitions
3.6.1
Displaying VLAN IDs Associated with a Port
To display the VLAN IDs and VLAN Names of the VLANs associated 
with a particular port, proceed as follows:
1.
Use the arrow keys to highlight the Port field.
2.
Use the SPACE bar or BACKSPACE key to step through the available 
port selections. The screen displays the Port VLAN List of the selected 
Port. If ALL is selected, no VLAN ID or VLAN Name information is 
displayed under Port VLAN List. 
3.
To display additional VLANs that do not display in the current screen 
display, use the NEXT or PREVIOUS commands located at the 
bottom of the screen, as follows: 
Table 3-4
Port Filtering Configuration Screen Field Definitions 
Use this field …
To …
VLAN ID 
(Read-Only)
See the VLAN ID of the VLANs that are configured to have 
their frames transmitted out the port selected in the Port # 
field.
VLAN Name 
(Read-Only)
See the names of the VLANs associated with the VLAN 
ID. If a VLAN does not have a name, “Not Defined” is 
displayed.
Port 
(Selectable)
To step to the port number of the interface being 
configured including the selection of ALL ports. 
Filter Using 
VLAN Lists 
(Toggle)
Filter out (drop) frames that are classified, via their VLAN 
tag, as belonging to a VLAN that is not on the Port VLAN 
List and prevent them from being forwarded by the switch.
This field toggles between YES and NO. YES enables 
filtering according to the Port VLAN List. NO allows the 
switch to forward the frames. The default is NO.
Filter All 
Untagged 
Frames
 
(Toggle)
To filter out all incoming untagged frames so they will not 
be forwarded by the switch. This field toggles between 
YES and NO. YES enables the filtering of untagged 
frames. NO allows the switch to forward untagged frames. 
The default is NO.