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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.
S6000
Syntax
extend system-id
Defaults Disabled
Command Modes PROTOCOL PVST
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
EMC Networking OS Command Line Reference Guide.
Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.10(0.0) Introduced on the S6100-ON.
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100-ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.2(1.0) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.3.1.0 Introduced.
Example
Related
Commands
● protocol spanning-tree pvst – enter SPANNING TREE mode on the switch.
protocol spanning-tree pvst
To enable PVST+ on a device, enter the PVST+ mode.
Syntax
protocol spanning-tree pvst
To disable PVST+, use the disable command.
Defaults none
Command Modes CONFIGURATION
1142 Per-VLAN Spanning Tree Plus (PVST+)