RE: two subnets thru same wire - netmask

From: Shiraz Baig (shiraz_baig_at_yahoo.com)
Date: 03/27/05

  • Next message: Ed Greshko: "Re: two subnets thru same wire - netmask" 
    Date: Sun, 27 Mar 2005 07:34:59 -0800 (PST)
To: redhat <redhat-list@redhat.com>

    Patrick Campbell <PCampbell@ourvacationstore.com> has
    stated that "Your subnet mask will need to be
    255.255.0.0." That is the whole point. If I make the
    netmask as 255.255.0.0 then the point that I am trying
    to make is defeated. I do not want to make
    the netmask 255.255.0.0. I want to retain it as
    255.255.255.0.

    Basically, it is an academic question which we were
    discussing in the class. I am trying to ascertain
    whether two class C networks can communicate amongst
    their network computers, through the same wire.

    I personally, think, they can. Because When host A
    wishes to talk to host C, it "ANDs" the destiation IP
    address with netmask and gets its own network address.
    So, it simply sends the message to
    its own network. The C computer should receive it.
    Same reasoning applies to other network, when B wishes
    to talk to D.

    If I change the netmask to 255.255.0.0. then it is one
    network. It is not two networks. So, the purpose of
    mixing two networks is not achieved.

    So, please give your comments again. With the netmask
    255.255.255.0 will host A be able to talk to C and
    host B talk to host B.

    Thanks.
    bye
    shiraz

                    
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