On 09:06, Wed 22 Apr 09, Janne Johansson wrote: > Lars Nooden wrote: >> Alexander Hall wrote: >>> Lars Nooden wrote: >>>> Sometimes I have to set up a LAN inside a pre-existing NAT'd LAN and >>>> traffic from the inner LAN (B) does not make it to the Internet or even >>>> to final, external interface (4). > >> I've searched around a bit and see there is something wrong (in general) >> with "double NAT" > > I dont know where you got that info from, but as long as each NAT is set > up correctly, there isnt any difference in being NATed once or five > times.
I have seen trouble with 'double nat' too many times in the voip world to even bother with it anymore. Ok, most of the times one of the nat devices was a DSL modem, and their implementation is,..... interesting. > > In -> Out is the same, and as long as you set each NAT up right with the > fordards, Out -> In will be as good/bad as one NAT. > -- Michiel van Baak [email protected] http://michiel.vanbaak.eu GnuPG key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x71C946BD "Why is it drug addicts and computer aficionados are both called users?"

