i know it's a weird question but we are a small ISP and we have a cisco Core switch 6500 with FWSM "ws-svc-fwm-1" since more than 11 years now, and suddenly the managment go for a pier of fortigate box, so kindly is there a way to migrate all the ACL rule and NAT rule to this boxs and in the same time how can we make the FWSM run as backend firewall service if its ablicable