PVST vs PVST+

From: thomas.rader@freesurf.ch
Date: Thu Jun 28 2007 - 03:58:26 ART

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Hello,

I'm confused about PVST vs PVST+

Cisco talks about these as if they were seperate implementations (PVST+ provides the same functionality as PVST using 802.1q instead of ISL).

However I can only find one method of PVST configuration in the CLI and
most of the documentation.

Am I to assume that when Cisco talks about PVST they are actually talking
about PVST+ ?

Per VLAN Spanning Tree (PVST)
http://www.cisco.com/en/US/tech/tk389/tk621/tk846/tsd_technology_support_sub-protocol_home.html

Per VLAN Spanning Tree Plus (PVST+)
http://www.cisco.com/en/US/tech/tk389/tk621/tk847/tsd_technology_support_sub-protocol_home.html

Thanks, Thomas

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