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4 port-priority, Tab. 8.2, Stp path-cost – Siemens S223 User Manual

Page 213: Tab. 8.3, Rstp path-cost

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User Manual UMN:CLI
SURPASS hiD 6615 S223/S323 R1.5

A50010-Y3-C150-2-7619 213

Transmit Rate

Path-cost

4M

250

10M

100

100M

19

1G

4

10G

2

Tab. 8.2

STP Path-cost

Transmit Rate

Path-cost

4M

20,000,000

10M

2,000,000

100M

200,000

1G

20,000

10G

2,000

Tab. 8.3

RSTP Path-cost

When the route decided by path-cost gets overloading, you would better take another
route. Considering these situations, it is possible to configure path-cost of root port so that
user can configure route manually.

To configure path-cost, use the following command.

Command Mode

Description

stp mst path-cost

MSTID-RANGE PORTS

<1-200000000>

Sets the path-cost to configure route:
MSTID_RANGE: select instance number (0-64).
PORTS: select the port number.
1-200000000: enter the path cost value.

no stp mst path-cost

MSTID-RANGE PORTS

Bridge

Deletes the configured path-cost, enter the instance
number and the port number.

8.3.5.4 Port-priority

When all conditions of two switches are same, the last standard to decide route is port-
priority. It is also possible to configure port priority so that user can configure route manu-
ally. In order to configure port-priority, use the following command.

Command Mode

Description

stp mst port-priority

MSTID-RANGE PORTS

<0-240>

Configures port-priority.

no stp mst port-priority

MSTID-RANGE PORTS

Bridge

Disables port priority configuration.

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