Dell PowerEdge VRTX - Manual (Page 504)

504 Spanning-Tree Commands
FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\CLI Folders\Dell Plasma-ARC
2+3\new_system_mifs_ARC2_latest\Spanning-Tree.fm
D E L L C O N F ID E N T IA L – P R E L IM I N A RY 4 / 3 /1 4 - FO R P R O O F O N LY
When Root Guard is enabled, the port changes to the alternate state if the
spanning-tree calculations select the port as the root port.
Example
The following example prevents gi0/1 from being the root port of the device.
console(config)# interface gi0/1
console(config-if)# spanning-tree guard root
spanning-tree bpduguard
Use the spanning-tree bpduguard Interface (Ethernet, Port Channel)
Configuration mode command to shut down an interface when it receives a
Bridge Protocol Data Unit (BPDU). Use the no form of this command to
restore the default configuration.
Syntax
spanning-tree bpduguard {enable | disable}
no spanning-tree bpduguard
Parameters
bpduguard enable —Enables BPDU Guard.
bpduguard disable —Disables BPDU Guard.
Default Configuration
BPDU Guard is disabled.
Command Mode
Interface (Ethernet, Port Channel) Configuration mode
User Guidelines
The command can be enabled when the spanning tree is enabled (useful
when the port is in the PortFast mode) or disabled.