Re: Multi-Networking in Linux - Multiple Subnets

Marc Haber <[email protected]> Fri, 31 Jul 2026 08:15:15 +0200
Newsgroups comp.os.linux.misc
Organization private site, see http://www.zugschlus.de/ for details
Message-ID <[email protected]>
Robert Heller <[email protected]> wrote:
>At Thu, 30 Jul 2026 13:42:04 +0200 Marc Haber <[email protected]> wrote:
>
>> 
>> "Carlos E. R." <[email protected]> wrote:
>> >eth0: flagsA63<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>> >         inet 192.168.2.9  netmask 255.255.0.0  broadcast 192.168.255.255
>> 
>> Using the entire 192.168.0.0/16 range for a single home network is a
>> sure sign of a person not knowing too much about networking or an
>> incompetent ISP.
>
>Indeed.  If one really needs a class B sub-net for one's home netwoek (64K 
>nodes?) I believe there are class B sub-nets under 172.16.0.0 to 
>172.31.255.255.  The 192.168.*.0 sub-nets are for class Class C Private 
>sub-nets.

That was the case until classful IP addressing was replaced by
classless routing some 30 years ago. Since then people using the
"class X" terminology only divulge their outdated knowledge.

Greetings
Marc
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