Cabletron Systems 802.1Q manual Selecting the Type of Filtering for a Port

Chapter 3: VLAN Configuration

NOTE

The NEXT and PREVIOUS fields will only display if there are further VLANs in the list to page through.

4.To display the next screen, use the arrow keys to highlight NEXT. Press ENTER to view the entries on the next screen.

5.To display the previous screen, use the arrow keys to highlight PREVIOUS. Press ENTER to view the entries on the previous screen.

3.6.2Selecting the Type of Filtering for a Port

A port can be set to filter out received frames according to its Port VLAN List. This keeps them from being transmitted and drops all untagged frames from being transmitted. To set this type of filtering, 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.

3.Use the arrow keys to highlight the Filter Using VLAN List field.

4.Use the SPACE bar or BACKSPACE key to toggle between YES and NO. When set to YES, the switch will drop all incoming frames that are classified with a VLAN tag of a VLAN that does not appear on the Port VLAN List. The default is NO.

5.Use the arrow keys to highlight the Filter All Untagged Frames field.

6.Use the SPACE bar or BACKSPACE key to toggle between YES or NO. When set to YES, the switch will drop all incoming frames that do not have a VLAN tag header. The default is NO.

7.To save the settings, Use the arrow keys to highlight the SAVE command at the bottom of the screen.

8.Press ENTER. The message “SAVED OK” displays. The settings are saved.

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