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Cisco MWR 2941 Mobile Wireless Edge Router Release 3.5 Command Reference, Cisco IOS Release 15.1(3)MR
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Chapter Cisco MWR 2941 Router Command Reference, Release 15.1(3)MR
spanning-tree guard
spanning-tree guard
To enable or disable the guard mode, use the spanning-tree guard command in interface configuration
mode. To return to the default settings, use the no form of this command.
spanning-tree guard {loop | root | none}
no spanning-tree guard
Syntax Description
Command Default Guard mode is disabled.
Command Modes Interface configuration (config-if)
Command History
Examples This example shows how to enable root guard:
Router(config-if)# spanning-tree guard root
Router(config-if)#
Related Commands
loop Enables the loop-guard mode on the interface.
root Enables root-guard mode on the interface.
none Sets the guard mode to none.
Release Modification
12.2(14)SX Support for this command was introduced on the Supervisor Engine 720.
12.2(17d)SXB Support for this command on the Supervisor Engine 2 was extended to
Release 12.2(17d)SXB.
12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.
15.0(1)MR This command was integrated into 15.0(1)MR.
Command Description
show spanning-tree Displays information about the spanning-tree state.
spanning-tree loopguard default Enables loop guard as a default on all ports of a given bridge.
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