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D-View 5.1 User's Guide
100Mbps has a path cost of 10. The lower the path cost, the more chance the port has
of becoming the root port of the bridge.
The Designated Root column corresponds to the Dot1dStpPortDesig-natedRoot MIB
object of the dot1dStp group. This read-only object displays the bridge ID of the current
root bridge on the network.
The Cost column corresponds to the Dot1dStpPortDesignatedCost MIB object of the
dot1dStp group. This read-only object displays the corresponding path cost of the
designated port for the segment the port connects to.
The Designated Bridge column corresponds to the Dot1dStpPortDesig-natedBridge
MIB object of the dot1dStp group. This read-only object displays the bridge ID of the
designated bridge for the segment the port connects to.
The Des Brg Port column corresponds to the Dot1dStpPortDesignated-Port MIB object
of the dot1dStp group. This read-only object displays the port ID of the designated port
for the segment the port connects onto.
The Forward Trans column corresponds to the Dot1dStpPortForward-Transitions MIB
object of the dot1dStp group. This read-only object displays the number of times this
port moved from learning state to forwarding state.
The Refresh button refreshes the table. You need to refresh the table once in a while to
ensure all updates performed on the device (specially those that affect the above MIB
objects) are reflected on this table.
The More button displays the values of the next set of ports. For this option, the
system does not support modifications on the settings of those MIB objects (above) with
read-write attributes. To modify these objects, you can use the device front panel
graphics, or the device onboard console program (if it comes with one). Please refer to
the appropriate manuals for more information. To close the STP Port Table, double-
click its Control-menu box.
Transparent Bridge →Forwarding Table
This command displays the contents of the forwarding database for transparent
bridging. This database contains information about unicast entries for which the bridge
has forwarding and/or filtering information. The transparent bridging function uses
this information when deciding how a received frame will be propagated over the
network. When you choose this command, the Forwarding Table appears on the screen:
The forwarding table displays information about specific unicast MAC addresses for
which the bridge has some forwarding and/or filtering information. This table is divided
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