Can someone confirm something for me;
Is this a correction deduction?
*If* a port is in “portfast” mode, and *if* a BDPU is received on that port, it will revert out of “portfast” mode but will not transition through LISTENING->LEARNING->FORWARDING Phases.
As well the above seems to be true even if BPDUFILTER is enabled globally.
For some reason, I had it in my head, that there was a situation when a “PORTFAST” enabled port, would transition through the reguar phases when a BPDU was recivied…however I can not seem to find/reproduce that condition.
Ken