NETWORK:
A router with two interfaces one internal(192.168.1.1/24) another public(10.1.2.1/26). a mail server in DMZ with 10.1.2.2/26.
Masquerade is setup for 192.168.1.0/24 to public interface.
PROBLEM:
My MRTG graphics on public interface are showed incorectly. Incorectly because when users from my internal network send or receive mail from my mail server (10.1.2.2/26)they get a higher speed that the real internet speed for my internet connection that is 512kbps, because mail server is in DMZ and router connects though swith to him and gets 100mbps connection. I still want that the connection between my network and mail server was at this high speed, but I dont want that this kind of high speed mail transfers dereglate my graphics from public interface. I want that on that graphics get drawed only real speed up to 512kbps upload and download, and not the traffic with my DMZ.
PARTIAL SOLUTION:
I put a second ethernet interface on mail server and setup 192.168.1.2/24 IP, and connected this interface to internal switch. Now the mail server is on internal network and he is available to serve users(192.168.1.0/24) that will reconfigure their mail clients software from 10.1.2.2 to 192.168.1.2.
PROBLEM: I dont want to reconfigure to all 200 users their mail client software.
QUESTION: How I can find the way out from this problem?
P.S. I have tried to mark connections to mail server with mark_routing and then route them to internal ip, but it doesnt work… i thinks that is not corect what I’m trying to do… if someone know how to do this, pls describe…
… or maybe I can do only dns server, and then redirect all clients dns querys to him?
