Dell Command Line Reference Guide for the S4048–ON System 9.14.2.8

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spanning-tree pvst err-disable

Place ports in an Err-Disabled state if they receive a PVST+ BPDU when they are members an untagged VLAN.

S4048

Syntax
spanning-tree pvst err-disable cause invalid-pvst-bpdu
Defaults
Enabled; ports are placed in the Err-Disabled state if they receive a PVST+ BPDU when they are members of an untagged VLAN.
Command Modes
INTERFACE
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.
8.2.1.0
Introduced.
Usage Information

Some non-Dell EMC Networking systems which have hybrid ports participating in PVST+ transmit two kinds of BPDUs: an 802.1D BPDU and an untagged PVST+ BPDU.

Dell EMC Networking systems do not expect PVST+ BPDU on an untagged port. If this happens, Dell EMC Networking OS places the port in the Error-Disable state. This behavior might result in the network not converging. To prevent Dell EMC Networking OS from executing this action, use the no spanning-tree pvst err-disable command cause invalid-pvst-bpdu.

Related Commands

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