6 msti port setting – PLANET WGSW-28040P User Manual
Page 132

User’s Manual of WGSW-28040 / 28040P / 28040P4
132
• Regional Root Bridge
Display the current regional root bridge.
• Internal Root Cost
Display the current internal root cost.
• Designated Bridge
Display the current designated bridge.
• Root Port
Display the current root port.
• Max Age
Display the current Max. age.
• Forward Delay
Display the current forward delay.
•
Remainging Hops
Display the current remaininging hops.
• Last Topology Change
Display the current last topology change.
4.6.6 MSTI Port Setting
This page allows the user to inspect the current STP MSTI port configurations, and possibly change them as well.
A MSTI port is a virtual port, which is instantiated separately for each active CIST (physical) port for each MSTI instance
configured and applicable for the port. The MSTI instance must be selected before displaying actual MSTI port configuration
options.
This page contains MSTI port settings for physical and aggregated ports. The aggregation settings are stack global. The MSTI
Ports Setting screen in
Figure 4-6-14 &
Figure 4-6-15
appears.
Figure 4-6-14 MST Port Configuration page screenshot
The page includes the following fields:
Object
Description
• Port Select
Select port number for this drop down list.
• MST ID
Enter the special MST ID to configure path cost & priority.
• Internal Path Cost (0 =
Auto)
Controls the path cost incurred by the port. The Auto setting will set the path cost
as appropriate by the physical link speed, using the 802.1D recommended
values. Using the Specific setting, a user-defined value can be entered. The path