Configuring Backbonefast; Enabling Backbonefast - Cisco WS-X6066-SLB-APC - Content Switching Module Software Manual

Chapter 9 Configuring Spanning Tree PortFast, UplinkFast, BackboneFast, and Loop Guard
To disable UplinkFast on the switch, perform this task in privileged mode:
Task
Step 1
Disable UplinkFast on the switch.
Step 2
Verify that UplinkFast is disabled.
With PVST+ mode enabled, this example shows how to disable UplinkFast on the switch and verify the
configuration:
Console> (enable) set spantree uplinkfast disable
Uplinkfast disabled for switch.
Use clear spantree uplinkfast to return stp parameters to default.
Console> (enable) show spantree uplinkfast
Station update rate set to 15 packets/100ms.
uplinkfast all-protocols field set to off.
VLAN
-----------------------------------------------
1
100
521
522
523
524
Console> (enable)

Configuring BackboneFast

These sections describe how to configure BackboneFast:
•
•
•

Enabling BackboneFast

For BackboneFast to work, you must enable it on all switches in the network. BackboneFast is not
Note
supported on Token Ring VLANs. This feature is supported for use with third-party switches.
To enable BackboneFast on the switch, perform this task in privileged mode:
Task
Step 1
Enable BackboneFast on the switch.
Step 2 Verify that BackboneFast is enabled.
78-13315-02
port list
1/1(fwd),1/2
1/2(fwd)
1/1(fwd),1/2
1/1(fwd),1/2
1/1(fwd),1/2
1/1(fwd),1/2
Enabling BackboneFast, page 9-15
Displaying BackboneFast Statistics, page 9-16
Disabling BackboneFast, page 9-16
Command
set spantree uplinkfast disable
show spantree uplinkfast
Command
set spantree backbonefast enable
show spantree backbonefast
Catalyst 6000 Family Software Configuration Guide—Releases 6.3 and 6.4
Configuring BackboneFast
9-15