ELECTION OF ROOT BRIDGE

Step 1 : - First check witch Routing protocol is Root bridge


This is Sw1 spanning tree table now look Sw2


Here us can see Address Root bridge is lowest then Sw2 address it means Sw1 is root bridge . 

Now Election Sw2 should Root bridge let's look


this command is use to make root bridge force fully .. let's check.


look's this bridge is the root u can see ( they change there priority )

now Change priority manual and make root bridge.


now check status ...



Now Sw4 become Root bridge....

with this process can create root bridge ....