Portfast, Linkfast, Backbonefast

PliotronX

Diamond Member
Oct 17, 1999
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Trying to recall which variant these Cisco proprietary features are a feature set of, PVST+ or RPVST?
 

lif_andi

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Apr 15, 2013
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Might be wrong but I'm almost certain all those features work on both of those, as well as traditional spanning-tree....
 

imagoon

Diamond Member
Feb 19, 2003
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Pretty sure the commands would "take" on an interface but they only affected "traditional" STP. RSTP, RVST+ etc didn't use them because the equivalent was built in to those protocols. It was cisco's early attempts to fix limitations in STP that then was fixed in the "rapid" versions.
 

PliotronX

Diamond Member
Oct 17, 1999
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That makes total sense guys, I had it bass ackwards. Thank goodness they are built into later protocols because re-convergence without them is BS :colbert: