Loop Guard
The Loop Guard affection provides an added band of aegis adjoin the Band 2 forwarding loops (STP
loops) by preventing another or basis ports from acceptable appointed ports because of a abortion consistent in a
unidirectional link. This affection works best back enabled on all switches beyond a network. By default, the
spanning timberline does not accelerate BPDUs on basis or another ports.
The Loop Guard affection can be enabled by application the spanning-tree loopguard absence all-around configuration
command.