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ip nat limitation
- To: tech_(_at_)_openbsd_(_dot_)_org
- Subject: ip nat limitation
- From: newsham_(_at_)_lava_(_dot_)_net (Tim Newsham)
- Date: Thu, 7 Dec 2000 08:50:03 -1000 (HST)
>From the ipnat man page:
bimap should really only be used with single IP addresses (x.x.x.x/32).
Bimapping other CIDR ranges will result in unexpected, and possibly ran-
dom mappings into the destination address block.
How hard would it be to overcome this limitation? Ideally anytime
an address mapping like 22.214.171.124/16 -> 126.96.36.199/16
was in place (ie. the address block size was the same), the
mapping would be one to one, leaving the low bits in tact
(ie. 188.8.131.52 -> 184.108.40.206, 220.127.116.11 -> 18.104.22.168).
I sent mail to Darren Reed (listed as ipnat author), but have
not heard back from him yet.
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