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Command Manual - STP
Quidway S3500 Series Ethernet Switches
Chapter 1 MSTP Configuration Commands
Huawei Technologies Proprietary
1-14
priority : Specifies the switch priority, ranging from 0 to 61440 with a step length of 4096.
That is, 16 priorities are available for the switch including 0, 4096, 8192, etc. By default,
the switch priority is 32768.
Description
Using stp priority command, you can configure the bridge priority in the specified STI.
Using undo stp priority command, you can restore the default value of bridge priority .
The switch priority takes part in the spanning tree calculation. It is configured separately
for every STI. Different STIs can be configured with different priorities.
If specifying the instance ID as 0, the command can configure the CIST priority.
Example
# Set the bridge priority of the switch in STI 1 to 4096.
[Quidway] stp instance 1 priority 4096
1.1.15 stp port priority
Syntax
stp [ instance instance-id ] port priority priority
undo stp [ instance instance-id ] port priority
View
Ethernet port view
Parameter
instance-id : Specifies the spanning tree instance ID, ranging from 0 to 16, instance 0 is
CIST.
port priority priority : Specifies the port priority, ranging from 0 to 240, with a step length
of 16, e.g., 0, 16, and 32. By default, the priorities of a port on the STIs are 128.
Description
Using stp port priority command, you can configure the priority of a port on a specified
STI. Using undo stp port priority command, you can restore the default priority of the
port on the specified STI.
You may specify the instance-id parameter as 0 to configure CIST priority of the port.
The port priority has effect on the port role selection. A port can be configured with
different priorities on different MSTIs. Thus the traffic from different VLANs can run over
different physical links, thereby implementing the VLAN-based load-balancing. MSTP
will recalculate the port role and transit its state, upon the port priority changes.