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question in <ip nat inside source| ip nat outside source| ip nat inside destination>

Unanswered Question
Oct 16th, 2013
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hi  ,

Q1-  when we use ip nat outside , and ip nat inside ???

i read alot of documents but  found that if i want to make nat , i can do it with either nat inside on nat outside ??!!!


except in nat outside i have to put ""add route "" option due to routing occurs  firts  when traffic return from inside ===> outside


i mean that i see that there is no difference between them ??!!!!


if i want to nat some ips with a speicif ips , i can use ip nat inside source or ip nat outside source !!!!


=========================


Q2-  when we use i nat inside destination ???

my question is , assume i want to match a subnet  and if the destination of this subnet was tcp 80 , i want to change the destination of this subnet to  a web server ,


can i do it by destination nat ???




Q3- about natting in general , i want comaprison ,  who will initiate the seesion so that nat occurs ??? does the initiation of session play role and affect on the 3 type i posted above ??



i have some conflict about above


with to clarify and correct me



regards

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