Allied Telesis AT-WL2411 - Manual (Page 104)

Configuring the Spanning Tree
104
You can set the default action and scope for general and specific frame
types.
Allow/Pass
Set the action to Allow or Pass. If you select Allow (checked), then
all frames of that type are passed. If you select Pass (unchecked),
then all frames of that type are dropped.
Scope
Set the scope to Unlisted or All. If you select All, then all frames of
that type are unconditionally passed or dropped, depending on
the action you specified. If you select Unlisted, then frames are
passed or dropped only if the frame type is not listed in the
predefined or customizable tables.
To use IP tunnel frame type filters, perform the following procedure:
1. From the Main Menu, select IP Tunnels then Tunnel Filters.
2. Select Frame Type Filters. The Frame Type Filters screen as shown in
Figure 36 is displayed.
Figure 36 Frame Type Filters Screen