Hi all I am not getting any documents explaining the exact purpose for "extendable" keyword. Based on my investigation from, the following are two purposes. Please let me know, if there is any other use cases.
*Case 1* A same IP address can be translated to two different IP addresses. router(config)#ip nat inside source static 10.20.30.40 1.2.3.4 extendable router(config)#ip nat inside source static 10.20.30.40 1.2.3.5 extandable *Case 2* A local IP address and port can be translated to a different pair of IP address and port pairs as following which works fine. ip nat inside source static tcp 10.20.30.41 23 10.77.165.250 23 extendable ip nat inside source static tcp 10.20.30.41 23 10.77.165.251 80 extendable With regards Kings
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