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CCNA NAT lab - please help !!

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  • CCNA NAT lab - please help !!

    Hi guys,

    i am preparing for my CCNA in early January. I am trying the following commands to do a NAT lab but it is not working.

    Border Router using NAT: R2

    ip nat pool NAT_POOL netmask
    ip nat inside source list NAT_ACL pool NAT_POOL overload

    ip access-list standard NAT_ACL

    Outside Router: ISP is variably subnetted, 2 subnets, 2 masks
    S is directly connected, Serial0/0/1
    C is directly connected, Serial0/0/1

    I have already figured out that ISP could not find the network though it is in the routing table. For testing, i have added a default static route to the ISP's route table and it solved the problem.

    Can anyone please suggest what am i doing wrong here ? i have attached the packet tracer file for your info.

    Thanks in advance
    Attached Files