Configure the core switch as the gateway and tap Create Service Network. The switches are on a 'management' VLAN range and I have a 3rd party ASA router that needs to be on a /30 'internet breakout' range. I normally point my edge. "Campus Networks Typical Configuration Examples" provides typical campus network networking modes and a variety of deployment examples. You can configure required features after. I'm planning out a potential upgrade and restructure of the network switches for a small sized organization, upgrading from Aruba to Cisco switches and changing how the switches connect to each other. It's been a while since I've had to reconfigure a bunch of switches and am a little rusty with. We have an existing core switch with multiple VLANS, we are trying to move each of the VLANs to a new core stack one at a time. Here is the topology, I have created the trunk between the two (all VLANs allowed) which is working and I can ping the vlan1 address of the new stack from the existing. Network planning 3: The core switch functions as the user subnet gateway on the LAN side and allocates IP addresses through DHCP. Perform either of the sub-steps.