My network currently has 7 VLANs (2 user, 1 voice, 1 server, 2 wireless, and 1 for our networked A/V equipment). All of our switches are layer 3 Cisco Catalysts. However, we currently have a router-on-a-stick configuration - our SonicWall firewall does all the interVLAN routing. We will be migrating to a Cisco ASA shortly. Prior to the migration, I would like to set up interVLAN routing on the switches.
My question is: is it better to set up the interVLAN routing on just our core switch (and set all of our endpoints' gateways to that switch), or should the interVLAN routing be set up on all the switches (and each endpoint's gateway will be the switch that it is connected to)?
The VLANs and trunk ports are already configured on all the switches.
Thanks in advance for your help.