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DGS-3100 Series Gigabit Stackable Managed Switch User Manual
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4. Click
to an ID row to edit the ID value.
5. Define the new value.
6. Click
. The Multiple Spanning Tree Configuration Identification is defined, and the device is
updated.
Defining MSTP Port Information
Network Administrators can assign MSTP Interface settings in the MSTI Config Information Page. To define MSTP
interface settings:
1. Click L2 Features > Spanning Tree > MSTP Port Information. The
MSTI Config Information Page opens:
Figure 3–17. MSTI Config Information Page
The
MSTI Config Information Page contains the following fields:
Field Description
Unit
Defines the unit to find.
Port
Defines the Port to find.
Instance ID
Lists the MSTP instances configured on the device. Possible field range is 0-7.
Internal Path Cost
I
ndicates the port contribution to the Spanning Tree instance. The range should always be 1-
200,000,000. The default value is
automatically set cost, according to its speed. Default port
cost: 10Mbps port = 2000000, 100Mbps port = 200000. Gigabit port = 20000, Port-channel =
20000.
Priority
Defines the interface priority for the specified instance. The default value is 128.
Status
Indicates whether the port is enabled for the specific instance. The possible field values are:
Forwarding — Enables the port for the specific instance.
Listening - Processes BPDUs received from the system module
Learning – Incorporates station location into its address database
Blocking - Discards frames received from the attached segment and frames switched from