
Using Native Mode LAN Services
117351-A Rev. A 5-5
For example, the Moon closed user group in Figure 5-1 closes its office on the
West Side, dismantling LAN B and NML port 3. To ensure that no frames
destined for port 3 get onto the FDDI trunk (needlessly increasing the traffic load),
you create NML trunk port 4 and provide it with an access list that contains the
CUGIDs of the remaining Moon ports. The NML port checks the CUGID of all
frames that attempt to exit from the bridge onto the trunk and drops all frames
containing a Moon CUGID.
Enabling NML Services
To enable NML on an interface:
1. Select Native Mode LAN from the Select Protocols window.
The Select Protocol window appears after you either select a link- or
net-module connector, or finish configuring a WAN circuit. Note that when
you select Native Mode LAN from the menu, the Configuration Manager
automatically selects the Bridge protocol.
2. Click on OK.
The Configuration Manager displays a window with the message:
Do you want to edit the NML interface details?
3. Click on OK.
The Configuration Manager displays the Edit NML Interface window
(F
igure 5-2).
Caution: We strongly recommend that you avoid using this feature in
conjunction with the spanning tree algorithm.
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