Yes, I believe that you have it...
192.168.50.0      255.255.255.128 host 1-126
192.168.50.128    255.255.255.128 host 129-254



Larry Letterman
Cisco Systems
[EMAIL PROTECTED] 





-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Hunt Lee
Sent: Sunday, February 24, 2002 4:34 PM
To: [EMAIL PROTECTED]
Subject: Re: VLSM Question [7:35827]


So does it mean on the first subent -> the host range is 192.168.50.1 -
192.168.50.126, and the second subnet host range is 192.168.50.129 -
192.168.50.254?

Best Regards,
Hunt Lee


""G Z""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> The 25 bit can be 0 or 1. It looks like the book chose 0. The CCNA books
use
> 2^n - 2 for both hosts and subnets. But you also can use the
> zero and one subnet so that would add 2. Then you would have 2^n for
> subnets. So,  192.168.50.0 is one, and 192.168.50.128 is another subnet.
> Using the first subnet:  192.168.50.0  network
>                                   192.168.50.00000001  first host
>                                   192.168.50.01111110  last host
>                                   192.168.50.11111111  broadcast
>
> I hope this helps and also that it's right. I just got my NA recently.




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