AX1800 LAN / WAN connectivity in Drop-in gateway mode

Routers
1

Hi GL.iNet community

I’ve recently purchased an AX1800 (Flint) to use as my wireless access point, DHCP, DNS etc. replacing the functionality of the Sky broadband router. I must keep the Sky router to allow me to use my landline phone.

I have read the documentation and configured the AX1800 as a drop-in gateway in accordance with the documentation, with the addition of an intermediate switch (see diagram)

AX1800-setup
AX1800-setup492×578 35.6 KB

Wifi and DHCP services have been turned off on the Sky router. The wired LAN gets it’s IP addresses from DHCP on the AX1800 WAN (192.168.1.0/24), the WLAN gets it’s IP addresses from the AX1800 LAN (192.168.8.0/24). All connected devices can connect to the internet but can’t connect to each other. I believe I understand the reason to be that the AX1800 firewall is blocking traffic between the LAN and the WAN segments. Is there something I can do to fix this or have I misunderstood the configuration.

Any help would be greatly appreciated.

2

In my opinion you don’t need to use Drop-In - you could just use it as a normal routing device behind your Sky router.

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3

Wouldn’t that mean I’m double NAT’ing though?

4

Why you don’t use VLAN for WLAN part of network? you schema don’t garantee that WLAN don’t have access to LAN.

5

@admon, You were correct, I was totally over thinking my configuration. I installed and configured as a standard router in an in-line configuration, Sky Router LAN into AX1800 WAN port and AX1800 LAN into switch to expand on the four available on the AX1800. I just need to port forward any external inbound traffic through both routers or set up the AX1800 as the DMZ target from the Sky Router.

Thank’s, and to @demonx for the prompt responses

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