[4475] in RedHat Linux List
Re: intranet IP address
daemon@ATHENA.MIT.EDU (Apu)
Fri Nov 15 03:14:28 1996
Date: Fri, 15 Nov 1996 03:08:04 -0500 (EST)
From: Apu <apu@spfld.com>
To: redhat-list@redhat.com
In-Reply-To: <m0vOJ1H-001G1SC@iceonline.com>
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
On Thu, 14 Nov 1996, Borg wrote:
> >
> > I want to set up an intranet in our company. I read from a magazine that the
> > following
> > IP address is used for intranet usage:
> >
> > 10.0.0.0 10.255.255.255
> > 172.16.0.0 172.31.255.255
> > 192.168.0.0 192.168.255.255
>
> That's what the big guys want you to believe. You can use
> any address you want. They just set up an Intranet at a local
Well, that depends. If you are going to be connected to another
IP-based network (such as the Internet), you should either use a
number from within the above three ranges, or one from your assigned
range of IP addresses. Using a "regular" IP address is preferred.
If you are not connected to any other IP-based network, then (in
theory) you could use any IP number. In practice, you want to stay
with one from the above ranges, so that when you do get connected to
the Internet, you don't have problems. For example, if you decided to
use the 199.183.24.x set of addresses for your Intranet, you wouldn't
be able to connect to RedHat until you got rid of all those bad
configurations.
The only problem with the reserved IP blocks, and the reason "regular"
addresses are preferred, is that if (for example) two companies that
use the same set of private IP addresses merge, they run into the same
problems as in the RedHat case above.
The advantage to the reserved addresses, is that they cannot be
accessed over the Internet because the specifications specifically
require them to never be routed.
> I'd certainly change my opinion if someone could give me
> a couple of good reasons why I should use the 10.0.0.0
> and 172.16.0.0 and not 10.0.0.9 and 172.16.0.4.
The only reason you should not use these is if they are already in use
on your network.
_
| |
|-|
| |pu <apu@spfld.com>
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