[mythtv-users] Ethernet troubles.

clemens at dwf.com clemens at dwf.com
Mon Apr 27 00:51:57 UTC 2009


> On Sunday 26 April 2009 15:26:09 Andrew Burgess wrote:
> > On Sun, 2009-04-26 at 14:57 -0600, clemens at dwf.com wrote:
> > > (2) > The SD2005 is a switch, not a router.
> > >
> > > I have the feeling you are saying something important here, but Im not
> > > getting it.  It was always my impression that 'switches' were just
> > > smarter than 'hubs', and Ive always used the term 'routers' for both.
> > >
> > > Am I missing something?
> >
> > The wikipedia article on routers is a starting point. The "See also"
> > section will keep you busy for a while
> >
> > http://en.wikipedia.org/wiki/Router#See_also
> 
> Good pointer, and it helps to show that the "routers" found in most homes are 
> in fact "residential gateways". the "NAT" they can do is actually IP 
> masquerading, or port address translation. True NAT uses a pool of real IP 
> addresses, not RFC-1918 "private" addresses, but this error is so common I 
> find myself using "NAT" when I really mean something else. True NAT is rarely 
> encountered today, certainly not in home networks.
> 
I actually do 'real' NAT to my internal network using IPTABLES on my
Firewall machine.
-- 
                                        Reg.Clemens
                                        reg at dwf.com




More information about the mythtv-users mailing list