9-10
Catalyst 6000 Family Software Configuration Guide—Releases 6.3 and 6.4
78-13315-02
Chapter 9 Configuring Spanning Tree PortFast, UplinkFast, BackboneFast, and Loop Guard
Configuring PortFast BPDU Guard
802 0 0 0 0 0
850 0 0 0 4 4
917 0 0 0 4 4
999 0 0 0 4 4
1003 0 0 0 0 0
1005 0 0 0 0 0
Blocking Listening Learning Forwarding STP Active
----- -------- --------- -------- ---------- ----------
Total 0 0 0 85 85
Console> (enable)
Disabling PortFast BPDU Guard
To disable PortFast BPDU guard on the switch, perform this task in privileged mode:
This example shows how to disable PortFast BPDU guard on the switch and verify the configuration:
Console> (enable)
set spantree portfast bpdu-guard disable
Spantree portfast bpdu-guard disabled on this switch.
Console> (enable)
show spantree summary
Summary of connected spanning tree ports by vlan
Portfast bpdu-guard disabled for bridge.
Uplinkfast disabled for bridge.
Backbonefast disabled for bridge.
Vlan Blocking Listening Learning Forwarding STP Active
----- -------- --------- -------- ---------- ----------
1 0 0 0 4 4
2 0 0 0 4 4
3 0 0 0 4 4
4 0 0 0 4 4
5 0 0 0 4 4
6 0 0 0 4 4
10 0 0 0 4 4
20 0 0 0 4 4
50 0 0 0 4 4
100 0 0 0 4 4
152 0 0 0 4 4
200 0 0 0 5 5
300 0 0 0 4 4
400 0 0 0 4 4
500 0 0 0 4 4
521 0 0 0 4 4
524 0 0 0 4 4
570 0 0 0 4 4
801 0 0 0 0 0
802 0 0 0 0 0
850 0 0 0 4 4
917 0 0 0 4 4
999 0 0 0 4 4
Task
Command
Step 1
Disable PortFast BPDU guard on the switch.
set spantree portfast bpdu-guard disable
Step 2
Verify the PortFast BPDU guard setting.
show spantree