Help with DHCP Forwarding


 
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# 1  
Old 04-27-2016
Help with DHCP Forwarding

Hi all. I'm not sure I'm posting this in the correct forum. Let me know if I should move it.

I'm trying to setup a downstream router. I have a fairly standard gateway box that provides NAT, DCHP, etc. I want to add another router for QOS.

I'd like to go from the gateway to the QOS box, then out to the LAN/WAN. I assume I need to go into the WAN side of the QOS box to get QOS. I'd also like DHCP to pass through the QOS box and provide DHCP for the LAN-side clients - everything on 10.0.1.0/24.

I can't get through from the LAN side of the QOS box to the gateway. I guessing I need to add some filters (iptables) to the QOS box.

Any suggestions?
# 2  
Old 04-27-2016
We need to know more about your QOS box.
# 3  
Old 04-28-2016
Sure. Thanks for replying.

The QOS box is an ASUS N66 running TomatoUSB. The gateway is an ASUS N66 running Merlin, soon to become an ASUS AC68. I don't know if it matters, but I'm also going to put a Netgear GS105E switch between the two boxes to take advantage of the mirroring port.

I'm open to any configuration, as long as the gateway continues to run Merlin.

---------- Post updated at 10:01 PM ---------- Previous update was at 05:36 PM ----------

I have a feeling that I'm making a newbie mistake here. This seems like something lots of people would need to do. Is it a mistake to even try to do this?
 
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