Nat

Mon Dec 21 03:25:13 UTC 2015

On Sun, Dec 20, 2015 at 08:11:53PM -0700, Keith Medcalf wrote:
> > 	I agree that a /48 or /56 being reserved for business
> > customers/sites is reasonable.  But for residential use, I'm having a hard
> > time believing multi-subnet home networks are even remotely common outside
> > of networking folk such as the NANOG members.  A lot of recent IPv4
> > devices
> > such as smart TVs have the ability to auto-discover things they can talk
> > to
> > on the network.  If we start segmenting our home networks to keep toasters
> > from talking to thermostats, doesn't this end up meaning your average home
> > user will need to be proficient in writing FW rules?  Bridging an entire
> > house network isn't that bad.
> 
> I have (currently) 6 network segments.  One for my "trusted" clients, one
> for my "trusted" servers, one for the "entertainment" systems, one for
> "dirty & untrustworthy" computers (such as those from $dayjob), one for
> "clean" WiFi, and one for dirty WiFi.  If there were any additional
> classes of devices, they would live in their own subnets as well.

If suspect you probably come under the "networking folk such as NANOG
members" exception to the general assertion.

- Matt