nanog mailing list archives

Re: CGN fixed/hashed nat question


From: William Herrin <bill () herrin us>
Date: Wed, 23 Jan 2013 18:42:38 -0500

On Wed, Jan 23, 2013 at 6:21 PM, Christian Kratzer <ck-lists () cksoft de> wrote:
On Wed, 23 Jan 2013, William Herrin wrote:
The algorithm will exclude the .0 and .255 external addresses from
use, mapping the respective internal IPs to the other externals.

why would you want to do that. .0 and .255 are perfectly valid ips.

Except for the machines which will refuse to talk to them. There's no
excuse for post-classful stacks failing to work with those IPs but
some do anyway. Enough that you don't want to waste your support
staff's time dealing with the fallout.

Regards,
Bill Herrin

-- 
William D. Herrin ................ herrin () dirtside com  bill () herrin us
3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
Falls Church, VA 22042-3004


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