User's Manual

146 Chapter 4 Spanning Tree, MLT, and Port-Mirroring
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The spanning-tree command by port sets Spanning Tree Protocol (STP) and
multiple spanning tree group (STG) participation for the ports within the specified
spanning tree group. The syntax for the
spanning-tree command by port is:
spanning-tree [port <portlist>] [stp <1-8>] [learning
{disable|normal|fast}] [cost <1-65535>] [priority <0-255>]
The spanning-tree command by port is in the config-if command mode.
Table 81 describes the parameters and variables for the
spanning-tree
command by port.
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 <portlist>] [stp <1-8>]
[learning] [cost] [priority]
Table 81 spanning-tree command by port parameters and variables
Parameters and
variables
Description
port <portlist> 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.