Chapter 3 - Advanced STP Tuning Flashcards
1
Q
BPDU filter
A
An STP feature that filters BPDUs from being advertised/received across the configured port.
2
Q
BPDU guard
A
An STP feature that places a port into an ErrDisabled state if a BPDU is received on a portfast-enabled port.
3
Q
root guard
A
An STP feature that places a port into an ErrDisabled state if a superior BPDU is received on the configured port.
4
Q
STP portfast
A
An STP feature that places a switch port directly into a forwarding state and disables TCN generation for a change in link state.
5
Q
STP loop guard
A
An STP feature that prevents a configured alternative or root port from becoming a designated port toward a downstream switch.
6
Q
Unidirectional Link Detection (UDLD)
A
A protocol that provides bidirectional monitoring of fiber optic cables.
