[clug] Smoothwall/ADSL/DHCP

Collins, Steve Steve.Collins at industry.gov.au
Tue Apr 20 22:27:19 GMT 2004

I have a friend who's come to me asking for advice on his network setup.  The question he's asked is a little beyond my capabilities.  Here's what he has and what he wants.  Any answers or pointers to ideas would be most welcome.

ADSL Modem connects to
Smoothwall 2 box (3 NICs, 1 external, 2 internal) connects to
  1. "Green" Network (safe internal, DHCP
  2. "Orange" Network (unsafe internal, DHCP

He can get boxes on the Green network to connect, and they all work fine with the expected connectivity and IP addresses assigned by the Smoothwall box.  Boxes on the Orange network return an error on trying to connect/obtain a DHCP lease.

He wants to place a streaming video server and web server for his church on the Orange network, and have those hosts visible to and visible from the outside world, but with no visibility into the Green network.  It may be that Green hosts will want to look into the Orange network also.  At time, the church also hosts meetings/conventions during which visitors are granted access to the Orange network for their laptops, etc.

He thinks that it may be his DHCP setup that is causing the problem.  He's a pretty smart guy, so technically worded solutions won't scare him.

Stephen Collins
Web Development Section
eBusiness Division
Department of Industry, Tourism and Resources 
Level 12, 20 Allara Street, Canberra City ACT 2600
GPO Box 9839, Canberra ACT 2601

E steve.collins at industry.gov.au
P +61 2 62137193
C +61 410 680722
F +61 2 62136227

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