Dell C9010 Modular Chassis Switch EMC Networking Command-Line Reference Guide - Page 1280

42 Per-VLAN Spanning Tree Plus (PVST+) The Dell Networking operating software implementation of per-VLAN spanning tree plus (PVST+) is based on the IEEE 802.1w standard spanning tree protocol. NOTE: For easier command line entry, the plus (+) sign is not used at the command line. Topics: • description • disable • extend system-id • protocol spanning-tree pvst • show spanning-tree pvst • spanning-tree pvst • spanning-tree pvst err-disable • tc-flush-standard • vlan bridge-priority • vlan forward-delay • vlan hello-time • vlan max-age description Enter a description of the PVST+. C9000 Series Syntax Parameters description {description} To remove the description, use the no description {description} command. description Enter a description to identify the spanning tree (80 characters maximum). Defaults none Command Modes SPANNING TREE PVST+ (The prompt is "config-pvst".) Command History This guide is platform-specific. For command information about other platforms, refer to the relevant Dell Networking OS Command Line Reference Guide. The following is a list of the Dell Networking OS version history for this command. Version Description 9.9(0.0) 9.2(1.0) 8.3.19.0 8.3.11.1 8.3.7.0 7.7.1.1 Introduced on the C9010. Introduced on the Z9500. Introduced on the S4820T. Introduced on the Z9000. Introduced on the S4810. Introduced. 1280 Per-VLAN Spanning Tree Plus (PVST+)