1. Download RPMForge Package. Check your system with uname -a command to get the suitable package. Below is the current one I got :
32-bit system
wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.i386.rpm
64-bit system
wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm
If you want to check for the latest one, check it from -> http://packages.sw.be/