
Industrial Managed
Ethernet Switch
User Manual
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Table 2.34 Bridge Root Information
Label
Description
Factory
Default
I am the Root
Indicator that this switch is elected as the root switch of the spanning
tree topology
-
Root MAC Address
MAC address of the root of the spanning tree
-
Root Priority
Root
’s priority value: The switch with highest priority has the lowest
priority value and it will be elected as the root of the spanning tree
.
0
Root Path Cost
Root
’s path cost is calculated from the switch’s port data rate
.
0
Root Maximum
Age
Root
’s maximum age is the maximum amount of time that the switch will
maintain protocol information received on a link
.
0
Root Hello Time
Root
’s hello time which is the time interval for RSTP to send out a hello
message to the neighboring nodes to detect any change in the topology
.
0
Root Forward
Delay
Root
’s forward delay is the duration that the switch will be in learning
and listening states before a link begins forwarding
.
0
Table 2.35 Bridge Topology Information
Label
Description
Factory
Default
Root Port
A forwarding port that is the best port from non
-
root bridge/switch to root
bridge/switch
.
Note that for a root switch there is no root port
.
-
Num
.
of Topology
Change
The total number of spanning topology change over time
.
0
Last TC time ago
The duration of time since last spanning topology change
.
-
2.12.3 Port Setting
Spanning Tree Port Setting shows the configured value of spanning tree protocol for each port, as shown in Figure
2.109. The configured information for each port is state, role, path cost, path priority, link type, edge, BPDU Guard
and designated information (Cost, P. Pri, Port, B. Pri, Bridge MAC)
.
To check the latest update on the statistics,
please click on the
Refresh
button
Table 2.36 summarizes the descriptions of spanning three port setting
.
If
Spanning Tree is enabled, the table in Figure 2.109 becomes editable. Please
use the
Update
button to save the
settings.
Figure 2.109 Spanning Tree Port Setting Webpage