Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 (Optional) Run:
stp pathcost-standard { dot1d-1998 | dot1t | legacy }
A path cost calculation method is specified.
By default, the IEEE 802.1t standard (dot1t) is used to calculate the path costs.
All switching devices on a network must use the same path cost calculation method.
Step 3 Run:
interface interface-type interface-number
The view of an interface participating in STP calculation is displayed.
Step 4 Run:
stp cost cost
A path cost is set for the interface.
l When the Huawei calculation method is used, cost ranges from 1 to 200000.
l When the IEEE 802.1d standard method is used, cost ranges from 1 to 65535.
l When the IEEE 802.1t standard method is used, cost ranges from 1 to 200000000.
----End
6.6.1.5 (Optional) Setting a Priority for a Port
Context
In spanning tree calculation, priorities of the ports in a ring affect designated port election.
To block a port on a switching device, set a greater priority value than the default priority value
for the port.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
interface interface-type interface-number
The view of an interface participating in STP calculation is displayed.
Step 3 Run:
stp port priority priority
A priority is set for the interface.
Huawei AR530&AR550 Series Industrial Switch Routers
Configuration Guide - Ethernet Switching
6 STP/RSTP Configuration
Issue 01 (2014-11-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
193
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