Displaying Stp Guard Configuration - Dell Force10 C150 Configuration Manual

Task
Augment the Bridge ID with the VLAN ID.
FTOS(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
We are the root of Vlan 5
Configured hello time 2, max age 20, forward delay 15
...

Displaying STP Guard Configuration

To verify the STP guard configured on PVST interfaces, enter the
guard
command. Refer to
configure and use the STP root guard, loop guard, and BPDU guard features.
Figure 40-6
• Root guard is enabled on a port that is in a root-inconsistent state.
• Loop guard is enabled on a port that is in a forwarding state.
• BPDU guard is enabled on a port that is shut down.
Figure 40-6. Displaying STP Guard Configuration
FTOS#show spanning-tree pvst vlan 5 guard
Interface
Name
---------
Gi 0/1
Gi 0/2
Gi 0/3
846 | Per-VLAN Spanning Tree Plus
(priority 32768
Chapter 52, "Spanning Tree Protocol," on page 1049
shows an example for VLAN 5 in a PVST network in which:
Instance Sts
-------- ---------
5 INCON(Root)
5 FWD
5 EDS(shut)
Command Syntax
extend system-id
sys-id-ext 5), Address 0001.e832.73f7
Guard type
----------
Root
Loop
Bpdu
Command Mode
PROTOCOL PVST
show spanning-tree pvst [vlan vlan-id]
for information on how to