Spanning Tree Protocol
STP
STP and
PVSTP
RSTP and
Rapid PVSTP
States
Blocking
Listening
Learning
Forwarding
Disabled
Roles
Roles
Root
Designated
Alternate
Backup
Disabled
IEEE 802.1D
IEEE 802.1w
MSTP
IEEE 802.1s
Root
States
Discarding
Learning
Forwarding
Designated
Non Designated
Other
Portfast
BPDU Guard
Instances
IST
MSTI
Roles
Root
Designated
Alternate
Backup
Roles
Root
Designated
Master
Alternate
Backup
Default MSTP
General Facts
Priority Lower is Better
Default Priority 32768
Priority multiples of 4096
Converged is when all Switches are Sync