[CentOS] Linux Kernel Physical Interface Limit

[Tim Nelson]

----- "Brian T. Brunner" <BBrunner at gai-tronics.com> wrote:
> > -----Original Message-----
> > From: centos-bounces at centos.org 
> > [mailto:centos-bounces at centos.org] On Behalf Of Eero Volotinen
> > Sent: Tuesday, July 13, 2010 8:58 PM
> > To: CentOS mailing list
> > Subject: Re: [CentOS] Linux Kernel Physical Interface Limit
> > 
> > 2010/7/14 William Warren 
> > <hescominsoon at emmanuelcomputerconsulting.com>:
> > >  I think it's baloney mainly because i can't find a mention of it
> 
> > > anywhere.  Is there REALLY a limit on the number of 
> > physical network 
> > > interfaces in the Kernel?
> > 
> > can you really create hardware with huge number or real 
> > ethernet controllers?
> 
> 13x4 = 52 ether chips is possible with COTS hardware.

Is there some sort of reference for this information? Where does '13x4' come from?

--Tim