Firewall as gateway

Hello everyone,

When is it ideal to use a firewall as a default gateway for a vlan(users). Im starting a project where the current set up is that there is a ACL on a switch that is controlling access into/out of a vlan. I will be replacing this access control with an ASA.

Should I have the users use the firewall as the gateway or should I keep it as the SVI/VRRP address on the switch.

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Thanks