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Forum Replies

  1. Hi Rene,
    NAT inside source Process, the routing is processed first then NAT.
    in the example i think we do not need the route Map. because every packet pass through the interface will be translated. the following will work.
    please correct me if wrong

    NAT(config)#ip nat inside source list 1  int fa 0/1 overload  
    NAT(config)#ip nat inside source list 1  int fa 1/0 overload 
    

  2. Hello Mahmoud!

    Your logic makes sense, however, it wouldn’t work as it should. If you insert the second command you have above, the first one will be overwritten. You require a route map in order to determine: which addresses will be NATed, which outside interface these addresses will be routed from and which NAT translation will occur.

    For a proper NAT load balancing configuration with optimized edge routing, take a look at this Cisco support document: http://www.cisco.com/c/en/us/support/docs/ip/network-address-translation-nat/99427-ios-nat-2isp.html

    I hope this has been helpful!

    Laz

  3. Hello Laz,

    Yes you are right, but in this way instead of overwritten it will not accept the second statement and the message pop out with
    %Dynamic mapping in use, cannot change
    Thanks
    Waqar

  4. Hi Laz,
    Yes its clear and thanks for the explanation.

    //BR
    Waqar

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