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[yoorio]

can anybody explain the NAT "extendable" option?

ip nat inside source static <localaddr> <globaladdr> extendable

Although I have found explanations I can's still accept some issues...
http://www.cisco.com/en/US/tech/tk64...80091cb9.shtml
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The extendable keyword allows the user to configure several ambiguous static translations, where an ambiguous translations are translations with the same local or global address.
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according that a few ambiguous NAT entries allowed:
e.g:
ip nat inside source static 1.1.1.1 10.10.10.10 extendable
ip nat inside source static 1.1.1.1 20.20.20.20 extendable
ip nat inside source static 1.1.1.1 30.30.30.30 extendable


Q1: what translation will be used?

Q2: even if extended translations (including port numbers) are used in the NAT-table...there is the condition to create the translations ?

the similar question about NAT "extendable":
http://www.velocityreviews.com/forum...xtendable.html