URL to redirect onto webserver

Hello,

 

 

I am really looking for great help here. I need to workout for following redirection as I have never work out for this sort of redirection....

 

 

I need to redirect http://www.abcd.com.au to one of the web server on port 80. Web server IP address is 10.x.x.x and node is already created in the F5.

 

 

I dont know that how to write rule for this request and where to apply this rule.

 

 

Your quick help will be much more appreciated...

 

 

Thanks,