Dell N1100-ON

Layer 2 Switching Commands 752
• loop — Enables loop guard
• none — Disables root and loop guard.
Default Configuration
Neither root nor loop guard is enabled.
Command Mode
Interface Configuration (Ethernet, Port Channel) mode.
User Guidelines
There are no user guidelines for this command.
Example
The following example disables spanning-tree guard functionality on Gigabit
ethernet interface 4/0/1.
console#config
console(config)#interface gigabitethernet 4/0/1
console(config-if-4/0/1)#spanning-tree guard none
spanning-tree loopguard
Use the spanning-tree loopguard command to enable loop guard on all ports.
Use the “no” form of this command to disable loop guard on all ports.
Syntax
spanning-tree loopguard default
no spanning-tree loopguard default
Default Configuration
Loop guard is disabled by default.
Command Mode
Global Configuration mode