Reference Guide

Per-VLAN Spanning Tree Plus (PVST+) | 1199
Gi 1/0 128.1223 128 20000 EDS 0 32768 0001.e800.a12b 128.1223
Example
(with EDS &
PVID)
FTOS#show spanning-tree pvst vlan 2 interface gigabitethernet 1/0
GigabitEthernet 1/0 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
--------- -------- ---- ------- --- ------- -------------------- --------
Gi 1/0 128.1223 128 20000 EDS 0 32768 0001.e800.a12b 128.1223
Example
(guard)
FTOS#show spanning-tree pvst vlan 5 guard
Interface
Name Instance Sts Guard type
--------- -------- --------- ----------
Gi 0/1 5 INCON(Root) Rootguard
Gi 0/2 5 FWD Loopguard
Gi 0/3 5 EDS(Shut) Bpduguard
Related
Commands
spanning-tree pvst
c e s
Configure 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.
Syntax
spanning-tree pvst {edge-port [bpduguard [shutdown-on-violation]] | err-disable | vlan
vlan-range {cost number | priority value} | loopguard | rootguard}
Parameters
Table 41-1. show spanning-tree pvst guard Command Information
Field Description
Interface Name PVST interface
Instance PVST instance
Sts Port state: root-inconsistent (INCON Root), forwarding (FWD), listening
(LIS), blocking (BLK), or shut down (EDS Shut)
Guard Type Type of STP guard configured (Root, Loop, or BPDU guard)
spanning-tree pvst Configure PVST+ on an interface.
edge-port
Enter the keyword edge-port to configure 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.
Enter the keyword bpduguard to disable the port when it receives a BPDU.