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 From:  Daniel Davis <daniel at centreit dot com dot au>
 To:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Routing between LAN and OPT1
 Date:  Sat, 06 Jan 2007 15:45:47 +0930

I am having an issue routing between my LAN2 and OPT2. The network is
set up as such:

WAN1                                             WAN2
  |                                                 |
  |                                                 |
m0n01 ----- LAN1 ----- (SWITCH) ----- OPT2 ----- m0n01
  |                                                 |
  |                                                 |
OPT1                                              LAN2

There are two m0n0wall boxes (m0n01 and m0n02) each with three interfaces.
I need to keep LAN2 protected from LAN1 but I need access to LAN1 from LAN2.

OPT1 - Is on (OPT1 IP
LAN1 - Is on (LAN1 IP
LAN2 - Is on (LAN2 IP
OPT2 - Has address

If I set up all the firewall rules to allow access from LAN1 to LAN2
(with a static route on m0n01 that points requests to I can ping everything on LAN2 from LAN1 but I can't ping
anything on LAN1 (Other than the OPT2 interface address:
from LAN2.

Basically the set up is as follows:

WAN1 is for all Client internet access.
LAN1 is for all Internet Cafe computers.
OPT1 is for Client Wireless access (Through RADIUS authenticated Captive
WAN2 is for our Administration Office internet access
LAN2 is for the Administration Office network

I want to be able to administer all the computers on LAN1 from LAN2 but
have been unable to get the routing working properly. Can anyone help me
out where I have gone wrong?


Daniel Davis