User Manual

24-Port and 48-Port Gigabit Ethernet PoE+ Smart Switches with 4 SFP Ports
Configure Switching User Manual195
• Configuration Revision Level. Specify an identifier used to identify the configuration
currently being used. The values allowed are between 0 and 65535. The default value
is 0.
• Forward BPDU while STP Disabled. Enable or disable the BPDU Flood.
This
specifies whether spanning tree BPDUs are forwarded or not while spanning tree is
disabled on the switch.
8. Click the Apply
button.
Your settings are saved.
The following table describes the nonconfigurable STP Status fields displayed on the page.
Table 35. STP configuration status
Field Description
Configuration Digest Key Identifier used to identify the configuration currently being used.
STP Status
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 day-hour-minute-second format since the topology of the CST
last changed.
Topology Change Count The number of times that the topology changed for the CST.
Topology Change The value of the topology change setting for the switch indicating whether a
topology change is in progress on any port assigned to the CST
. Possible
values are
True and 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) The maximum age timer controls the maximum length of time in seconds
that passes before a bridge port saves its configuration BPDU information.
Forward Delay (secs) The derived value of the Root Port Bridge Forward Delay setting.
Hold Time (secs) Minimum time in seconds between the 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.