How to redirect requests to another ip address?

Question

System administration

Available:
Machine with ip address 1.1.1.1
Machine with ip address 2.2.2.2
A huge number of requests from different addresses to ip 1.1.1.1

Question:
How to redirect all these requests to a machine with ip 2.2.2.2 without loading the first
one first)

Answer 1

On a machine with ip address 1.1.1.1, what OS, if something Linux, can iptables be used to redirect requests.