Hello Paul, As we are running pvstp on old core switch.. can please suggest on that like how to create secondary root in new core switch.  Thanks

@paul driverThanks Paul.. OK assume am going wit managed transition.. can you brief the steps for it.. as we are replacing access switches as well with new one.. and I said before IGP is running in between.  Appreciate if you had any documents for th...

@paul driveThanks for the info Paul, yes we do have IGP running in network. Instead of that can we just make replica with new core switch and switch the ports from old to new. as we replacing access switches as well with new one. thanks 

How staged migration takes place...