how can i redirect traffic temporarily to another IP?

From: alex (ntnewsNOSPAM@hrz3.hrz.tu-darmstadt.de)
Date: 12/27/02 

From: "alex" <ntnewsNOSPAM@hrz3.hrz.tu-darmstadt.de>
Date: Fri, 27 Dec 2002 20:55:23 +0100

hi

i'd like to redirect IP traffic to a different IP for e.g. for a hour...
therefor i don't like to change all firewall rules. an easy but secure way
is prefered... the router is a linux box running IP Tables as firewall on
it... i know there is a iptables redirect feature, but i haven't worked on
it till now. this webserver having a official IP (for e.g. 213.11.22.33)
address and i need to redirect to 213.11.22.36. i don't like to open a
security hole - therefor i will bedder ask how to do :-).

Alex