Specifications

Spanning Tree Configuration Scenario
13-16 Configuring and Managing Spanning Tree Protocol
Port Vlan STP-State Cost Prio Portfast
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1 10 Disabled 4 128 Disabled
2 10 Disabled 4 128 Disabled
4. Reconnectorreenableports1and2andverifythechange.Typethefollowingcommands:
RBT-8100# set port enable 1-2
success: set "enable" on port 1-2
RBT-8100# show port status
Port Name Admin Oper Config Actual Type Media
============================================================================
===
1 up up auto 1000/full network
2 up up auto 1000/full network
5. WaitforSTPtocompletethelisteningandlearningstagesandconverge,thenverifythatSTP
isoperatingproperlyandblockingoneoftheportsinthebackboneVLAN.Typethefollowing
command:
RBT-8100# show spantree vlan 10
VLAN 10
Spanning tree mode PVST+
Spanning tree type IEEE
Spanning tree enabled
Designated Root 00-0b-0e-00-04-0c
Designated Root Priority 32768
Designated Root Path Cost 0
We are the root
Root Max Age 20 sec Hello Time 2 sec Forward Delay 15 sec
Bridge ID MAC ADDR 00-0b-0e-00-04-0c
Bridge ID Priority 32768
Bridge Max Age 20 sec Hello Time 2 sec Forward Delay 15 sec
Port Vlan STP-State Cost Prio Portfast
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1 10 Forwarding 4 128 Disabled
2 10 Blocking 4 128 Disabled
6. Savetheconfiguration.Typethe f ollowingcommand:
RBT-8100# save config
success: configuration saved.