nginx as Loadbalancer, router + NAT

Sascha sk. Kain s.kain at
Tue Jul 29 15:10:51 MSD 2008

we planing to switch our websites Loadbalancer to Nginx.
Currently it is a Pound LB with around 1000-2000 connections/s and all Backend-Servers are in the same official Subnet.
We want to make all Backend-Webservers private (192.168.x.x) and only the LB with an official IP address and NAT to the backends.
Is this possible with nginx? I only see examples with
Does NAT and routing use a lot more Load?

Thank you

Sascha Kain
IT - Administration
eraffe media GmbH & Co. KG
Marketing - Consulting - Software
Schönfeldstr. 17 - 83022 Rosenheim
Fon: + 49 (0)8031 - 941 41 -31
Fax: + 49 (0)8031 - 941 41 -69
Email: s.kain at
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