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Catalyst 6500 Series Switch Command Reference—Release8.4
OL-6244-01
Chapter2 Catalyst 6500 Series Switch and ROM Monitor Commands
set spantree uplinkfast
You do not have to turn on the all-protocols feature on Catalyst 6500 series switches that have both the
UplinkFast and protocol filtering features enabled. Use the al l-p roto cols fe atu re o nl y o n Cata lyst 6500
series switches that have UplinkFast enabled but do not have protocol filtering ; upstream switches in the
network use protocol filtering. You must enter the all-protocols option to inform the UplinkFast task
whether or not to generate multicast packets for all protocols.
Examples This example shows how to enable spantree UplinkFast and specify the number of multicast packets
transmitted to 40 packets per 100 milliseconds:
Console> (enable) set spantree uplinkfast enable rate 40
VLANs 1-4094 bridge priority set to 49152.
The port cost and portvlancost of all ports set to above 3000.
Station update rate set to 40 packets/100ms.
uplinkfast all-protocols field set to off.
uplinkfast enabled for bridge.
Console> (enable)
This example shows how to disable spantree UplinkFast:
Console> (enable) set spantree uplinkfast disable
Uplinkfast disabled for switch.
Use clear spantree uplinkfast to return stp parameters to default.
Console> (enable) clear spantree uplink
This command will cause all portcosts, portvlancosts, and the
bridge priority on all vlans to be set to default.
Do you want to continue (y/n) [n]? y
VLANs 1-1005 bridge priority set to 32768.
The port cost of all bridge ports set to default value.
The portvlancost of all bridge ports set to default value.
uplinkfast disabled for bridge.
Console> (enable)
This example shows how to turn on the all-protocols feature:
Console> (enable) set spantree uplinkfast enable all-protocols on
uplinkfast update packets enabled for all protocols.
uplinkfast enabled for bridge.
Console> (enable)
This example shows how to turn off the all-protocols feature:
Console> (enable) set spantree uplinkfast enable all-protocols off
uplinkfast all-protocols field set to off.
uplinkfast already enabled for bridge.
Console> (enable)
This example shows the output when instances have been configured:
Console> (enable) set spantree uplinkfast enable
Instances 1-15 bridge priority set to 49152.
The port cost and portinstancecost of all ports set to above 3000.
Station update rate set to 15 mpackets/100ms.
uplinkfast all-protocols field set to off.
uplinkfast already enabled for bridge.
Console> (enable)
Related Commands clear spantree uplinkfast
show spantree uplinkfast