FWSM/PIX and Dynamic PAT using global IP range vs. global interface vs. global IP

Discussion in 'Cisco' started by Hoffa, Oct 25, 2006.

  1. Hoffa

    Hoffa Guest

    Greetings all

    I was just woundering one thing while configuring a new PAT setup in
    our FWSM. You have the option of using an IP range, a single IP or the
    IP of the "external" interface as GLOBAL address for the PAT.
    I've searched some of the guides regarding this subject but haven't
    really seen any recommendation when to use the different methods other
    than the possible shortage of ports when using single IP and large
    number of computers.

    Does anyone have any experience in using the different methods and have
    any recommendations? Is there a disadvantage when using GLOBAL
    interface instead of GLOBAL IP for example?

    Fredrik Hofreb
    Hoffa, Oct 25, 2006
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