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 From:  Mykel <Mykel at mWare dot ca>
 To:  Chris Buechler <cbuechler at gmail dot com>, M0n0wall Dev List <m0n0wall dash dev at lists dot m0n0 dot ch>
 Subject:  Re: [m0n0wall-dev] /31 CIDR mask
 Date:  Sat, 08 Jan 2005 00:15:41 -0500
Chris Buechler wrote:

>/31 should really be removed from the selection drop downs, since it's
>not a valid CIDR mask (well, 0 usable IP's in a /31 so it's pointless
>to have).
>I know it uses a for...next type of thing to go from 1-32 (iirc) but
>it really needs to exclude 31.
Why? I can get a /31 routed to from the ISP, if I *route* the 2 IPs as 
/32s, they're both usable. But why should I have to write twice the 
firewall rules?

And yes - we do this. Not on a daily basis, but there's a handful of 
clients we've done this for.