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I have 5 public IP addresses from my ISP can I have two firewalls using them?

I have usable 5 public IPs lets say 17.18.1.15-17.18.1.20 from my ISP.

I currently have an ethernet cable connecting my single Cisco firewall to my ISP's router.

Is it possible for me to plug the ISP router into a switch and then have 2 firewalls also plugged into other ports on the switch and configure one firewall to use part of the public IP range and the other firewall to use the other half?

I have heard this is possible but have never tried. Thanks.
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Thanks for the feedback everyone! I will give this a try this week!