Where, oh where has the VLAN information gone? VTP and how it impacts the VLAN Database.
In Depth discussion where the configuration is stored for each version. The configurations are sometimes stores in config and sometimes in the database.
Excellent Series on DMVPN with MPLS, IVRF’s, and FVRF’s by Khawar Butts
A discussion of IVRF’s and FVRF’s including links to Khawar Butts free youtube videos that cover this information.