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What kind of routing performance can be expected when using Cisco IOS NAT?

April 26, 2017Cisco IOS NAT PERFORMANCE routing

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What kind of routing performance can be expected when using Cisco IOS NAT?

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A. Cisco IOS NAT supports Cisco Express Forwarding switching, fast switching, and process switching. For 12.4T release and later, fast-switching path is no longer supported. For Cat6k platform, the switching order is Netflow (HW switching path), CEF, process path.