switch blueprint 005...

Configure loop prevention for the VLAN based solution

dls1#config t
Enter configuration commands, one per line.  End with CNTL/Z.
dls1(config)#spann mode rapid-p
dls1(config)#do sh spann vlan 101

VLAN0101
  Spanning tree enabled protocol rstp
  Root ID    Priority    32869
             Address     000b.5fc9.0000
             Cost        19
             Port        11 (FastEthernet0/11)
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec

  Bridge ID  Priority    32869  (priority 32768 sys-id-ext 101)
             Address     000f.8ffe.0980
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec
             Aging Time 300

Interface           Role Sts Cost      Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Fa0/7               Desg FWD 19        128.7    P2p
Fa0/8               Desg FWD 19        128.8    P2p
Fa0/9               Desg FWD 19        128.9    P2p
Fa0/10              Desg FWD 19        128.10   P2p
Fa0/11              Root FWD 19        128.11   P2p
         
Interface           Role Sts Cost      Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------

Fa0/12              Altn BLK 19        128.12   P2p

dls1(config)#

dls2#config t                                                                  
Enter configuration commands, one per line.  End with CNTL/Z.                  
dls2(config)#spann ?                                                           
  backbonefast  Enable BackboneFast Feature                                    
  etherchannel  Spanning tree etherchannel specific configuration              
  extend        Spanning Tree 802.1t extensions                                
  logging       Enable Spanning tree logging                                   
  loopguard     Spanning tree loopguard options                                
  mode          Spanning tree operating mode                                   
  mst           Multiple spanning tree configuration                           
  pathcost      Spanning tree pathcost options                                 
  portfast      Spanning tree portfast options                                 
  transmit      STP transmit parameters                                        
  uplinkfast    Enable UplinkFast Feature                                      
  vlan          VLAN Switch Spanning Tree                                      
                                                                               
dls2(config)#spann mode rapid-p                                                
dls2(config)#do sh spann vlan 101                                              
                                                                               
VLAN0101                                                                       
  Spanning tree enabled protocol rstp                                          
  Root ID    Priority    32869                                                 
             Address     000b.5fc9.0000                                        
             This bridge is the root                                           
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec          
                                                                               
  Bridge ID  Priority    32869  (priority 32768 sys-id-ext 101)                
             Address     000b.5fc9.0000                                        
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec          
             Aging Time 300                                                    
                                                                               
Interface           Role Sts Cost      Prio.Nbr Type                           
------------------- ---- --- --------- -------- --------------------------------
Fa0/7               Desg FWD 19        128.7    P2p                            
Fa0/8               Desg FWD 19        128.8    P2p                            
Fa0/9               Desg FWD 19        128.9    P2p                            
Fa0/10              Desg FWD 19        128.10   P2p                            
Fa0/11              Desg FWD 19        128.11   P2p                            
Fa0/12              Desg FWD 19        128.12   P2p                            
                                                                               
dls2(config)#

swing batter, batter, batter...