Re: Scripting question - How to bounce a switchport?

Most common needs are because of "errdisable" state.

To clear it you issue this on the interface:

shut

no shut

Alternatively you can turn on "errdisable recovery" and let them automatically be cleared but some security polices might not like that

http://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/69980-errdisable-recovery.html#topicsub1