1.6 Configure and verify spanning tree

1.6.a PVST+, RPVST+, MST

after initializing, a switchport always enters the blocking state

blocking:
the port dumps the frames received
dumps frames switched for forwarding from another switch
doesn’t learn shit
receives bpdu’s

listening:

the port dumps the frames received
dumps frames switched for forwarding from another switch
doesn’t learn shit
receives bpdu’s

learning:
the port dumps the frames received
dumps frames switched for forwarding from another switch
finally gets off its dead ass and learns addresses
receives bpdu’s

forwarding:
receives and forwards frames
forwards frames switched from another port
learns addresses
receives bpdu’s

disabled: guess