HP ProCurve 7000dl Series Basic Management And Configuration Manual page 794

Using the Web Browser Interface for Basic Configuration Tasks
Bridging
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If necessary, you can override this setting and manually set the
connection type. Select Forced Point-to-Point or Forced Shared from
the Link Type Configuration pull-down menu.
If you leave this setting at the default Automatically determined, then
the Link Type displays the setting used on the interface.
Figure 14-84. Spanning Tree Options on an Interface
c. Edge ports connect directly to end devices. RSTP allows such inter-
faces to immediately begin forwarding packets so that applications
on the user device do not timeout.
To configure an interface to be an edge port, select Enabled from the
Edge Port Configuration. You can then check the BPDU Guard box
to prevent the end device from joining the spanning tree.
d. The Secure Router OS automatically calculates a cost for each con-
nection based on its bandwidth. You can alter this cost by selecting
Specify from the Cost pull-down menu. Then enter a cost between 1
and 200,000,000 in the field that is displayed.