Subject: Re: host address zero - useable?
To: Thor Lancelot Simon <tls@rek.tjls.com>
From: Andrew Brown <atatat@atatdot.net>
List: tech-net
Date: 03/02/1999 10:44:12
>Anyway, such routers also seem to cause the same trouble for people whose
>addresses end in .0.
presumably. i tried (at one point) to use the address 204.178.143.255
(out of the block 204.178.128.0/20) as a serviceable endpoint under
the claim that it was being used an alias on a differently numbered
physical ethernet but at the time it didn't work (it seems to now
tho...hmm).
on a slightly different note...does anyone have any clue why ciscos
refuse to allow you to use an "all zeros" subnet mask (ie, the
interface address 206.223.36.7/25 is illegal since the subnet mask is
a single zero bit) unless you explicitly say "ip subnet-zero"?
i've been told that the all ones subnet mask is also disallowed, but
i've never tried it.
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