INE R&S ATC013 - STP UplinkFast

Advanced STP Features

• UplinkFast
– Direct Root Port failure should reconverge immediately if Alternate Port available

-----------------------------------------------------------------------------------------------------------

用途在非Root SW, SW有多條線路時, 當Root Port失效時ALT Port立即FWD
並且Spoof CAM Table to ALT Port

spanning-tree uplinkfast

會增加SW每個Port Cost為3000
會增加SW System Priority為49152

Spanning Tree Protocol - Design TechNotes
http://www.cisco.com/en/US/tech/tk389/tk621/tech_tech_notes_list.html

Understanding and Configuring the Cisco UplinkFast Feature
http://www.cisco.com/en/US/tech/tk389/tk621/technologies_tech_note09186a0080094641.shtml