Version
Description
8.3.11.1
Introduced on the Z9000.
8.3.7.0
Introduced on the S4810.
7.6.1.0
Introduced on the S-Series.
7.5.1.0
Introduced on the C-Series.
pre- 6.2.1.1
Introduced on the E-Series.
Related Commands
•
— 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.
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 Networking
OS Command Line Reference Guide
.
Version
Description
9.10(0.0)
Introduced on the S6100-ON.
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
Dell(conf-pvst)# do show spanning-tree pvst vlan 5 brief
VLAN 5
Executing IEEE compatible Spanning Tree Protocol
Root ID Priority 32773, Address 0001.e832.73f7
Root Bridge hello time 2, max age 20, forward delay 15
Bridge ID Priority 32773 (priority 32768 sys-id-ext 5), Address 0001.e832.73f7
1242
Per-VLAN Spanning Tree Plus (PVST+)