2 different networks ??? Actually network 1 would encompass network 2.  Host
A would thinks Host B is on the same segment as Host A is.

If Host A and Host B were separated by a router, Host A would not be able to
talk to Host B (not counting the fact that the 2 hosts have the same IP
address).  The address range of Network 1 is 172.16.0.1 to 172.16.255.254.
The address range of network 2 is 172.16.2.1-172.16.2.254.

This is not a valid network configuration.

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 14, 2001 1:07 PM
To: [EMAIL PROTECTED]
Subject: Re: Mask in L3 Packet [7:29182]


Say I have 2 networks:

Network 1.  172.16.x.x/16
and
Network 2.  172.16.2.x/24

We all agree that they are two different networks, right?

Now if Host A on
Network 1 is 172.16.2.1/16

and

Host B is on Network 2 is 172.16.2.1/24,

How does the host know that the second host is on a different network?  Are
they differnt addresses because of the mask, or are they considered the same
address regardless of mask, and therefore illegal?  I understand ANDing on
the local host.  It's just if 2 hosts had the same numbers, only marked
differently by the mask, are they the same or not?




Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=29239&t=29182
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