I have a Catalyst 2960 that has some L3 capabilities. I have other switches throughout my network that are also L3 capable (all Cisco). I have very little skill in the Cisco IOS and need to ask some basic questions for which I can't seem to find the answer in my searches.
When doing L3 switching with inter-VLAN routing, do all other switches need to come back to a primary L3 switch?
If no to #1, then what if I have multiple groups of switches that are inter-connected with the primary L3 switch connecting to only one of them?
I have uploaded a diagram of what I inherited. I emphasize "inherited" because I already know that I have too many separations between some switches and am planning to fix that. The meat of my question is this:
Can someone please help me understand where all of the L3 logic needs to be? Does only one switch act as the routing switch, or do they all have to possess the same routing configuration? I know all switches have to be VLAN-capable switches, but do they all have to be L3? Current-Layout.png