Actually, point your web browser instead at:
http://cio.cisco.com/warp/public/105/11.html
You can use IP subnet 0 if you use the global command 'ip subnet zero'
within a cisco router. Use of the all-1's subnet has always been
permissible.
- paul
At 02:11 PM 10/1/96 +0900, Kim Sung Ro wrote:
>
>In http://cio.cisco.com/warp/public/701/3.html, All 0's or 1's in
>network part can't be used.
>So if you subnet C class with 255.255.255.192, the number of effective
>network is 2 I think.
>In default network, We can't use 0 and 255 number as network number.
>For example for A class, the first byte of IP address can't be 0 or 255.
>So if you subnet C class with 255.255.255.192 (use 2 bits), 00 and 11
>can't be used for subnetting bits.
>
--
Paul Ferguson || ||
Consulting Engineering || ||
Reston, Virginia USA |||| ||||
tel: +1.703.716.9538 ..:||||||:..:||||||:..
e-mail: pferguso @
cisco .
com c i s c o S y s t e m s
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