Subnets problem

Tim ignored_mailbox at yahoo.com.au
Tue Dec 6 16:22:13 UTC 2005


Andy Pieters wrote:
>> The instruction manual says to connect to it on 192.168.1.1 which
>> would be the 255.255.0.0 subnet right?

Jeff Vian:
> No.  The default netmask for anything in the 192.168.X.X range is
> 255.255.255.0.  Those are class C net spaces.

Can be done either way...

You might have two distinct subnets using 192.168.0.x and 192.168.1.x,
for instance, so you would use 255.255.255.0 as the netmask to determine
the difference between local and remote networks (i.e. what has to go
through the gateway, and what doesn't).

You might have a huge network which uses 192.168.0.1 to 192.168.255.253,
or addresses throughout that range, even if you don't use every possible
address in that range, so you'd use 255.255.0.0 to put them all on the
same network.

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