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User Manual Managed Switches
87
Path Cost
Setting
Description
Factory Default
Auto / Specific
Configures the path cost incurred by the port.
Auto will set the path cost according to the physical link
speed by using the 802.1D-recommended values.
Specific allows the user to enter a user-defined value (1
to 200000000).
The path cost is used when establishing an active
topology for the network. Lower path cost ports are
chosen as forwarding ports in favor of higher path cost
ports.
Auto
Priority
Setting
Description
Factory Default
Scroll list with
acceptable values
Configures the priority for ports having identical path cost.
128
3.6.4.8 Bridge Status
This page provides a status overview of all STP bridge instances. The displayed table contains a row
for each STP bridge instance, where the column displays the information that can be seen in the
screen below:
MSTI
The bridge instance. This is also a link to the STP Detailed Bridge Status.
Bridge ID
The bridge ID of this bridge instance.
Root ID
The bridge ID of the currently elected root bridge.
Root Port
The switch port currently assigned the root port role.
Root Cost
Root path cost. For the root bridge this is zero. For all other bridges, it is
the sum of the port path costs on the least cost path to the root bridge.
Topology Flag
The current state of the topology change flag for this bridge instance.
Topology Change
Last
The time since last topology change occurred.
By clicking on the bridge instance of the column MST0I the user can check the detailed bridge status.
In the figure below can be seen the screen shown when CIST is pressed.