User Manual

S350 Series 24-Port (PoE+) and 48-Port Gigabit Ethernet Smart Switches
Configure Switching User Manual146
Configure and View the CST Settings
You can configure a common spanning tree (CST) and internal spanning tree on the switch.
To configure and view the CST settings:
1. Connect your computer to the same network as the switch.
You can use a WiFi or wired connection to connect your computer to the network, or
connect directly to a switch that is off-network using an Ethernet cable.
2. Launch a web browser.
3. In the address field of your web browser, enter the IP address of the switch.
If you do not know the IP address of the switch, see Discover or Change the Switch IP
Address on page 12.
The login window opens.
4. Enter the switch’s password in the Password field.
The default password is password.
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 that indicates if a
topology change is in progress on any port assigned to the CST. The option
is True or False.
Designated Root The bridge identifier of the root bridge. It consists of the bridge priority and
the base MAC address of the bridge.
Root Path Cost The path cost to the designated root for the CST.
Root Port The 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) The minimum time in seconds between the transmission of configuration
BPDUs.
CST Regional Root The priority and base MAC address of the CST regional root.
CST Path Cost The path cost to the CST tree regional root.
Table 33. STP Configuration status (continued)
Field Description