On Fri, 13 May 2005, Christophe SUIRE wrote: > This not a problem with the network card, because when i do the test > with only firewall routing i have a total bandwidth used near to > 500Mbit/s. > But when i add an SNAT translation for each network (10) the total > bandwidth used is near 170Mbit/s. > So why this important difference without an with NAT ?? NAT *is* expensive. Have a look at the paper on netfilter performance tests and comparisons at http://people.netfilter.org/kadlec/nftest.pdf Best regards, Jozsef - E-mail : kadlec@xxxxxxxxxxxxxxxxx, kadlec@xxxxxxxxxxxxxxx PGP key : http://www.kfki.hu/~kadlec/pgp_public_key.txt Address : KFKI Research Institute for Particle and Nuclear Physics H-1525 Budapest 114, POB. 49, Hungary
