I have to first confess to not being very proxy aware (pardon the pun) so apologies if this is a silly question.
We currently have a unique challenge that I was hoping Ironport might be able to solve. What we want to do is dedicate some bandwidth (at the internet edge) for a particular URL. Currently all URLs are proxy'd to the same IP and therefore all inbound traffic must be treated equally.
What I was hoping to do is design a solution whereby the Ironport has 2 NICs; General traffic will flow over NIC1, and specific URLs will flow over NIC2. This allows me to NAT the addresses to different IPs and dedicate bandwidth for "special" URLs, while at the same time utilising the same hardware.
An even better solution for me would be if we could create 2 virtual instances on the Ironport. We could then have seperate entries in our pac file pointing to the 2 NICs.
You don't mention what URLS you want bandwith limited, but if its the typical streaming apps (Hulu, Netflix, YouTube, etc.) look at the Application Visiblity and Control stuff. You can pick and chose by application.
On a current hardware box, you can't set up "instances" on the box, but you should be able to get the VM version of Ironport and then you can set up as many virutal Ironport boxes as you want...
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