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Thread: Can 2 Hosts Behind NAT Speak With Each other?

  1. #1
    Member imported_Deathray's Avatar
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    Oct 2007
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    Default Can 2 Hosts Behind NAT Speak With Each other?

    I'm sitting here in a CCNA class and the teacher is claiming that 2 pcs behind 2 networks can speak with each other without port forwarding. Would someone please explain how this is possible. I always thought that it was impossible without any port forwarding setup and no man in the middle to connect the two sessions.
    - Poul Wittig

  2. #2
    Moderator KMDave's Avatar
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    You say you have machine A behind a router A and a machine B behind router B. Both routers are doing NAT.

    It could be possible by putting the machines into a DMZ or using static NAT.
    Tiocfaidh ár lá

  3. #3
    Member imported_Deathray's Avatar
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    Okay exactly what I thought and said.

    After lunch break she finally agreed with me after understanding what I meant.
    - Poul Wittig

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