Reference Guide

disable
Disable PVST+ globally.
Z9000
Syntax
disable
To enable PVST+, use the no disable command.
Defaults Disabled.
Command Modes CONFIGURATION (conf-pvst)
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.2.1.1
Introduced on the E-Series.
Related
Commands
protocol spanning-tree pvst — enter PVST+ mode.
extend system-id
To augment the Bridge ID with a VLAN ID so that PVST+ differentiate between BPDUs for each VLAN, use extend
system ID. If the VLAN receives a BPDU meant for another VLAN, PVST+ does not detect a loop, and both ports can
remain in Forwarding state.
Z9000
Syntax
extend system-id
Defaults Disabled
Command Modes PROTOCOL PVST
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
1104