JND Networks LLC
Topology
PVST+ configuration
Make sure all ports are trunking with the proper VLAN, for this purpose of LAB VLANS 10,20,30,40,50,60,70,80,90,100 are configured.
As you can see the above topology show SW5 G0/2 is in block state because it has a lower MAC address than SW4
SW4 Bridge ID
SW5 Bridge ID
SW1 Root Bridge Configuration and verification from each switch
Configuring BLK port Gi0/1 on SW4 for VLANs 10 and 30
Current Network
Network Expectation
configuring BLK on SW4 for VLANs 20,40, and 50
Current Network
Network Expectation
This command will force the RP(Gi0/1) to go int ALT(Gi0/1) due of putting a cost 18 and converting Gi0/2 from designated to RP.
