NETGEAR FS728TP - ProSafe 24 Port 10/100 Smart Switch, Руководство по администрированию программного обеспечения

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Chapter 3: Configuring Switching Information | 93
FS728TP Smart Switch Software Administration Manual
The following table describes the STP Status information displayed on the screen.
Click
Refresh
to update the information on the screen with the most current data.
CST Configuration
Use the Spanning Tree CST Configuration page to configure Common Spanning Tree (CST)
and Internal Spanning Tree on the switch.
To display the Spanning Tree CST Configuration page, click
Switching > STP > Advanced

CST Configuration
.
Field Description
Bridge Identifier The bridge identifier for the CST. It is made up using the bridge priority and
the base MAC address of the bridge.
Time Since Topology Change The time in seconds since the topology of the CST last changed.
Topology Change Count The number of times the topology has changed for the CST.
Topology Change The value of the topology change parameter for the switch indicating if a
topology change is in progress on any port assigned to the CST. The value is
either
True
or
False
.
Designated Root The bridge identifier of the root bridge. It is made up from the bridge priority
and the base MAC address of the bridge.
Root Path Cost Path cost to the Designated Root for the CST.
Root Port Port to access the Designated Root for the CST.
Max Age (secs) Specifies the bridge maximum age for CST. The value must be less than or
equal to (2 X Bridge Forward Delay) – 1 and greater than or equal to 2 X
(Bridge Hello Time +1).
Forward Delay (secs) Derived value of the Root Port Bridge Forward Delay parameter.
Hold TIme (secs) Minimum time between transmission of Configuration BPDUs.
CST Regional Root Priority and base MAC address of the CST Regional Root.
CST Path Cost Path Cost to the CST tree Regional Root.