- The VLANs need to be created on the L3 switch.
- The gateway IP addresses must be configured on the L3 switch, on each VLAN interface/SVI.
- IP addresses on an L2 switch are for management only - usually you only configure a single address in the management VLAN.
- You should use friendly port names (kudos FrameHowitzer) for reference and to avoid misconfiguration.