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8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
STP is not enabled when you enter SPANNING TREE mode. To enable STP globally on the switch, use the
no disable command from SPANNING TREE mode.
Example
Dell(conf)#protocol spanning-tree 0
Dell(config-stp)#
Related
Commands
disable — disables spanning tree group 0. To enable spanning tree group 0, use the no disable
command.
show config
Display the current configuration for the mode. Only non-default values display.
Syntax
show config
Command Modes SPANNING TREE
Supported Modes Full–Switch Mode
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Example
Dell(config-stp)#show config
protocol spanning-tree 0
no disable
Dell(config-stp)#
show spanning-tree 0
Display the spanning tree group configuration and status of interfaces in the spanning tree group.
Syntax
show spanning-tree 0 [active | brief | guard | interface interface | root |
summary]
Parameters
0 Enter 0 (zero) to display information about that specific spanning tree group.
active (OPTIONAL) Enter the keyword active to display only active interfaces in
spanning tree group 0.
brief (OPTIONAL) Enter the keyword brief to display a synopsis of the spanning tree
group configuration information.
guard (OPTIONAL) Enter the keyword guard to display the type of guard enabled on an
STP interface and the current port state.
interface
interface
(OPTIONAL) Enter the keyword interface and the type slot/port of the
interface you want displayed. Type slot/port options are the following:
● For a Port Channel interface, enter the keywords port-channel then a
number. The range is from 1 to 128.
● For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet then the slot/port information.
root (OPTIONAL) Enter the keyword root to display configuration information on the
spanning tree group root.
1152 Spanning Tree Protocol (STP)