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Spanning Tree Configuration Command Set
Reviewing and Setting Spanning Tree Port Parameters
6-38
Example
This example shows how to show Spanning Tree status for all Gigabit Ethernet ports:
6.2.2.2
set spantree portadmin
Use this command to enable or disable the Spanning Tree algorithm on one or more ports.
set spantree portadmin port-string {enable | disable}
Syntax Description
Command Defaults
None.
Command Type
Switch command.
Command Mode
Read-Write.
Example
This example shows how to disable Spanning Tree on Fast Ethernet front panel port 12:
Matrix>show spantree portadmin ge.*.*
 Port ge.0.1 has portadmin set to enabled.
 Port ge.0.2 has portadmin set to enabled.
 Port ge.0.3 has portadmin set to enabled.
 Port ge.0.4 has portadmin set to enabled.
 Port ge.0.5 has portadmin set to enabled.
 Port ge.0.6 has portadmin set to enabled.
NOTE: Spanning Tree must be disabled on ports that will be dedicated as IP routing 
uplinks (VLANs). To display administrative status for all Spanning Tree ports, use the 
show spantree portadmin command as detailed in 
. For details on 
configuring VLANs for IP routing, refer to 
.
port-string
Specifies the port(s) for which to enable or disable 
Spanning Tree. For a detailed description of possible 
port-string values, refer to 
.
enable | disable
Enables or disables Spanning Tree.
Matrix>set spantree portadmin fe.0.12 disable