Hi Unlike appliance types are fully supported as Author and Reader nodes. No such restrictions on Cisco ISE. But point to consider, once you have a mix of different appliance types the number of Virtual network across author and reader  will fall to ...

Hi,Firstly, Per VRF ibgp neighborship between the two borders is required only if your northbound connections arent full mesh.If your borders are C9K switches, then a Layer 2 Port-channel(trunk) with Per VRF iBGP running on SVI would suffice...   Reg...

It’s Manual configuration.. No automation between two borders..