Users Guide
Edge port:no (default) port guard :none (default)
Link type: point-to-point (auto) bpdu filter:disable (default)
Bpdu guard :disable (default)
Bpdus sent 152, received 27562
Interface Designated
Name PortID Prio Cost Sts Cost Bridge ID PortID
-----------------------------------------------------------
Te 1/1 128.1223 128 20000 EDS 0 32768 0001.e800.a12b 128.1223
Example (EDS/
PVID)
Dell#show spanning-tree pvst vlan 2 interface tengigabitethernet 1/1
TenGigabitEthernet 1/1 of VLAN 2 is PVID_INC discarding
Edge port:no (default) port guard :none (default)
Link type: point-to-point (auto) bpdu filter:disable (default)
Bpdu guard :disable (default)
Bpdus sent 1, received 0
Interface Designated
Name PortID Prio Cost Sts Cost Bridge ID PortID
---------------------------------------------------------
Te 1/1 128.1223 128 20000 EDS 0 32768 0001.e800.a12b 128.1223
Example (Guard)
Dell#show spanning-tree pvst vlan 5 guard
Interface
Name Instance Sts Guard type
-----------------------------------
Te 1/1 5 INCON(Root) Rootguard
Te 1/2 5 FWD Loopguard
Te 1/3 5 EDS(Shut) Bpduguard
Dell#show spanning-tree pvst vlan 5 guard
Interface
Name Instance Sts Guard type
-----------------------------------
Te 1/1/1 5 INCON(Root) Rootguard
Te 1/2/1 5 FWD Loopguard
Te 1/3/1 5 EDS(Shut) Bpduguard
Related Commands
spanning-tree pvst — congure PVST+ on an interface.
spanning-tree pvst
Congure a PVST+ interface with one of these settings: edge port with optional bridge port data unit (BPDU) guard, port 
disablement if an error condition occurs, port priority or cost for a VLAN range, loop guard, or root guard.
S4820T
Syntax
spanning-tree pvst {edge-port [bpduguard [shutdown-on-violation]] | err-
disable | vlan vlan-range {cost number | priority value} | loopguard | 
rootguard}
Parameters
edge-port Enter the keywords edge-port to congure the interface as a PVST+ edge port.
bpduguard
Enter the keyword portfast to enable Portfast to move the interface into 
Forwarding mode immediately after the root fails.
Per-VLAN Spanning Tree Plus (PVST+)
1209










