Large scale NAT - problem resolved

[Julian Elischer]

On Wed, 28 Jan 2004, Ruslan Ermilov wrote:

> On Wed, Jan 28, 2004 at 10:46:03PM +0200, veedee at c7.campus.utcluj.ro wrote:
> > On Wed, Jan 28, 2004 at 10:41:20PM +0200, Ruslan Ermilov wrote:
> > > On Wed, Jan 28, 2004 at 12:15:56AM -0800, Julian Elischer wrote:
> > > > 
> > > > On Wed, 28 Jan 2004, Andriy Korud wrote:
> > > > 
> > > > > 
> > > > > Hi,
> > > > > At last I've managed to build stable NAT on FreeBSD box for 34Mbit link and
> > > > > ~2000 clients (cable modem network).
> > > > > At full speed (34Mbit) CPU usage is 0% and system load is 0.0 :-)
> > > > > 
> > > > 
> > > > It'd be really interesting to see how natd would handle such a load....
> > > > 
> > > You must be kidding.  ;)
> > 
> > Agreed. NATd "crashes" with 400 clients on AMD Athlon 900Mhz. :( ipnat
> > works fine.
> > 
> > This raises a question... is there any point in still having natd? (don't
> > throw rocks at me please, I'm just asking). Or maybe it's still being used
> > for servers with less clients to nat?
> >  
> If your Internet connection is 128kbit/s, it can cope with it nicely.
> One day I will write the ng_nat(4) module.

actually it can cope with a LOT more than that.. We see no degredation
nating a 100Mb link.. (though not fully).


> 
> 
> Cheers,
> -- 
> Ruslan Ermilov
> FreeBSD committer
> ru at FreeBSD.org
>