I'm not a networking guy, but I'm relatively technical. I'm hoping I've come to the right place, please help if you can. We've got 1 external IP address with 2 domains pointing to it. Behind that IP we've got a firewall that NATs requests to that external IP to an Alteon Load Balancer. Behind that LB we've got two groups of 3 (i.e. 6 in total) web/java app servers. What I want to do is, where a user comes in via domain1 all their traffic (http and tcp) needs to go to group 1 (either server 1, 2 or 3). When a user comes in via domain2, all their traffic (http and tcp) needs to go to group 2 (either server 4,5 or 6). It is not critical that the http and tcp traffic go to the same server, provided the servers that they both go to are in the same group. We have the constraint that we can't change the external IP address (both sets of services must go through the same external IP and port No's). Does anyone know of any kit that can do this?

My guess you can use host headers to do that. Not fully sure of your request however. "Best Practices", Event viewer, host file, perfmon, antivirus, anti-spyware, Live CD's, backups, are in my top 10

Thanks Jefro, yep can use host headers on the http traffic, but not the tcp traffic as it doesn't have any. I need another variable to route on but I don't know what's in a tcp stream that I can use apart from source ip and destination port. Basically, I need a way to identify which hostname the tcp traffic used to come in on, if you know what I mean?

Then you need a layer 7+ device. "Best Practices", Event viewer, host file, perfmon, antivirus, anti-spyware, Live CD's, backups, are in my top 10

Jefro, the Alteon is a layer device, hence it can do the url/host header routing. How could such a device route tcp traffic accordingly?

OK, I'll be honest. I have no idea on what you are trying to do. What is the exact end result of all of this effort. See this. Other devices and software can do similar. http://www.untangle.com/Protocol-Co... "Best Practices", Event viewer, host file, perfmon, antivirus, anti-spyware, Live CD's, backups, are in my top 10