Version Description8.3.11.1 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 • protocol spanning-tree pvst — enter PVST+ mode.extend system-idTo augment the Bridge ID with a VLAN ID so that PVST+ differentiate between BPDUs for each VLAN, use extend system ID. If the VLANreceives a BPDU meant for another VLAN, PVST+ does not detect a loop, and both ports can remain in Forwarding state.Syntax extend system-idDefaults DisabledCommand Modes PROTOCOL PVSTCommand History This guide is platform-specific. For command information about other platforms, see the relevant Dell NetworkingOS Command Line Reference Guide.Version Description9.10(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 briefVLAN 5Executing IEEE compatible Spanning Tree ProtocolRoot ID Priority 32773, Address 0001.e832.73f7Root Bridge hello time 2, max age 20, forward delay 15Bridge ID Priority 32773 (priority 32768 sys-id-ext 5), Address 0001.e832.73f71242 Per-VLAN Spanning Tree Plus (PVST+)
