Planet GS-4210-8P2S User Manual download pdf (Page 161)

User’s Manual of GS-4210 Series

4.6.7 MST 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 global. The MSTI Ports

Setting screens in Figure 4-6-15 & Figure 4-6-16 appear.

Figure 4-6-15 MST Port Configuration Page Screenshot

The page includes the following fields:

Object Description

 MST ID

Enter the special MST ID to configure path cost & priority.

 Port Select

Select port number for this drop down list.

 Priority

Controls the port priority. This can be used to control priority of ports having

identical port cost.

 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 cost is used when establishing the active topology of the network.

Lower path cost ports are chosen as forwarding ports in favor of higher path cost

ports.

Valid values are in the range 1 to 200000000.

Buttons

: Click to apply changes.

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Planet GS-4210-8P2S User Manual Page 161