So basically I'm trying to configure a cisco router (c7200) to use PAT with a pool of global addresses, and each global address should only support a maximum of 32 private addresses.

I've been searching for hours and couldn't find any answer, the closest thing I could find is to use a portmap, but with portmap the minimum is 64 ports, not 32.

  • Software support for that router model ended over seven years ago. You should not use that to connect to the public Internet because you have many, many unpatched vulnerabilities.
    – Ron Maupin
    Nov 27, 2022 at 4:56


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