Open the "hosts" file in the following location and add the mappings of all the IP's to the servers name. Initially it will have only one mapping, that of the Primary IP to server name.
Add the new entries as follows
IP.IP.IP.IP<press tab here>SERVER_NAME
1. Server_Name will be same for all IP's
2. The HOSTS file has no extension.
3. It is not necessary to restart IIS.
4. If the listing still doesnt show up use the following on command line