
130 Chapter 4 Spanning Tree, MLT, and Port-Mirroring
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default spanning-tree command by port
The default spanning-tree command by port sets the spanning tree values
for the ports within the specified spanning tree group to the factory default
settings. The syntax for the
default spanning-tree command by port is:
default spanning-tree [port <portnum>] [stp <1-8>]
[learning] [cost] [priority]
The default spanning-tree command by port is in the config-if command
mode.
Table 72 describes the parameters and variables for the
default
spanning-tree command by port.
Table 71 spanning-tree command by port parameters and variables
Parameters and
variables
Description
port <portnum> Enables spanning tree for the specified port or ports; enter port
or ports you want enabled for spanning tree.
Note: If you omit this parameter, the system uses the port
number you specified when you issued the interface
command.
stp <1-8> Specifies the spanning tree group you want; enter the STG ID.
learning
{disable|normal|fast}
Specifies the STP learning mode:
• disable—disables FastLearn mode
• normal—changes to normal learning mode
• fast—enables FastLearn mode
cost <1-65535> Enter the path cost of the spanning tree; range is 1-.65535.
priority <0-255> Enter the priority value of the spanning tree; range is 0-255.
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