Cisco IOS XE Everest 16.5.1a
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Network Address Translation
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NAT enables private IP networks that uses unregistered IP address to connect to the internet. NAT operates on a device, usually
connecting two networks together, and translates the private addresses in the internal network into a global routable addresses,
before packets are forwarded onto another network.
Support for this feature was introduced only on the C9500-12Q, C9500-16X, C9500-24Q, C9500-40X models of the Cisco Catalyst
9500 Series Switches.
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Cisco IOS XE Fuji 16.8.1a
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Network Address Translation
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Support for this feature was introduced only on the C9500-32C, C9500-32QC, C9500-48Y4C, and C9500-24Y4C models of the Cisco
Catalyst 9500 Series Switches.
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Cisco IOS XE Fuji 16.9.1
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Address Only Translation
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Address only Translation (AOT) aims to increase the number of IP flows that can be translated and forwarded at line rate in
Network Address Translation (NAT). AOT optimizes the usage of hardware resources such as TCAMS and enables the handling of
more number of flows.
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Cisco IOS XE Gibraltar 16.11.1
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Network Address Translation
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NAT enables private IP networks that uses unregistered IP address to connect to the internet. NAT operates on a device, usually
connecting two networks together, and translates the private addresses in the internal network into a global routable addresses,
before packets are forwarded onto another network.
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Cisco IOS XE Gibraltar 16.12.1
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License level for NAT
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NAT is now available on the Network Advantage license. On all earlier releases, it is available on the DNA Advantage license.
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Cisco IOS XE Amsterdam 17.2.1
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VRF-Aware NAT
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VRF support for NAT was introduced.
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Cisco IOS XE Bengaluru 17.5.1
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Enhanced NAT Scale Support
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Support to enhance the NAT scale using the nat scale command in the global configuration mode was introduced for Cisco Catalyst 9500 High Performance series switches.
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Cisco IOS XE Bengaluru 17.6.1
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Static NAT rule precedence over Dynamic NAT
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This feature allows static NAT rule to precede over dynamic NAT rule when a given address is eligible for translation by both
the rules.
Support for this feature was introduced only on the C9500-32C, C9500-32QC, C9500-48Y4C, and C9500-24Y4C models of the Cisco
Catalyst 9500 Series Switches.
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