But It doesn't support NAT in its roadmap. The developer maybe concern its engine performance,even if it's stronger than before.We know cat4500 without distributed processing capability(It doesn't like other high end router or switch).And NAT will directly consume CPU resource,when it's running.So we hope cat4500 can support distributed processing or it can support special ASIC chipset like PXF function which can handle some features instead CPU.
