Great Circle Associates Firewalls
(June 1997)
 

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Subject: RE: Solaris
From: Ken Kempster <kempster @ monarch . rnb . com>
Organization: Republic National Bank
Date: Wed, 04 Jun 1997 09:32:25 -0400 (EDT)
To: "Amy (Cremer) Briggs" <amyc @ libofmich . lib . mi . us>
Cc: firewalls @ GreatCircle . COM
Comments: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Comments: Internet Message: Sender identity is not verified.
Comments: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In-reply-to: <Pine . A32 . 3 . 91 . 970603164612 . 17355F-100000 @ libofmich . lib . mi . us>

On 03-Jun-97 "Amy (Cremer) Briggs" wrote:
>First of all if there is a better list to post this to please let me know.  
>I've checked out Suns web site and didn't find any mention of a Solaris 
>listserv.
>
>Does anyone know how can you trick a Solaris box into 
>treating a class C address as a class B.  For example we want to use 
>2xx.xx.0.0 as a class B address.  I've entered the class B subnetmask for 

It is possible to turn a class C into a class B but you do it by 
using non-standard subnet masking;  you can't use the standard class B 
subnet mask.

There is a way to calculate the subnet mask based on the range
of IP's you will be using within the class C address when you break it up.

A book detailing the functionality of the IP stack should have in detail
how to do this.




>this network in the /etc/netmasks file which is how I thought you could do it 
>but it isn't working for me.  It still thinks its a class C address and won't 
>route properly if I set up my routes using it as a class B address.
>Finding a way to make this work would save me hours of time because I 
>have 5 full class B(Technically class C) networks to do this for and 
>entering all the class C's within all 5 class B's would take me awhile as 
>well as complicate my routing table.  
>
>Thanks for any help or information you can give me.
>
>Amy
>
>   \\\\\\\\\\\\\\Amy Briggs  Microcomputer Support Specialist///////////////
>               Library of Michigan  amyc @
 libofmich .
 lib .
 mi .
 us   
>\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\////////////////////////////////////////////
>           ** Its not what you've got, its what you give--TESLA **
>
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|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
|  Ken Kempster               kempster @
 monarch .
 rnb .
 com    |   
|  Network Systems Engineer          _\|/_                |
|  Republic National Bank            (o o)                |
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~oOO-(_)-OOo~~~~~~~~~~~~~~


References:
  • Solaris
    From: "Amy (Cremer) Briggs" <amyc @ libofmich . lib . mi . us>
Indexed By Date Previous: Re: What is SSH ?
From: Petr Snajdr <snajdr @ pvt . net>
Next: Strange logs
From: Corneliu Tanasa <cornel @ logicnet . ro>
Indexed By Thread Previous: Solaris
From: "Amy (Cremer) Briggs" <amyc @ libofmich . lib . mi . us>
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From: Robert Ståhlbrand <robert . stahlbrand @ nmac . ericsson . se>

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