DHCP Server doesnt show Devices connected to slave Router.

Nic_Kobras · Jul 13, 2018

I have 2 Routers running in the same network, a Fritzbox 7580 (German Router) and a TPLink Archer C5 AC1200.
The Fritzbox is connected to the DSL Connection, a Lan Cable is going from the Fritzbox into an ethernet port of the Tplink, not the wan port. DHCP on the TPLink is disabled, the SSID and PW are the same, devices can easily connect to the Network and access the internet. Problem is, my Network Tab on the Fritzbox doesnt show me the devices, so I cant interact with them.

My Network Setup:

192.168.0.1 = FritzBox
192.168.0.2 = TpLink

192.168.1.0 = Printer

192.168.2.0-192.168.3.255 DHCP Server on the Fritzbox.

Network Mask: 255.255.0.0 on both routers.

The Gateaway and primary + sec dns on the TPLink are the Main Router.

I appreciate any kind of help.

failboat · Jul 16, 2018

Do you get internet access on the devices connected to the second one?

Check the ip/gateway and make sure it's in the range the fritzbox has.

See if you can ping them. How are you trying to interact with them?

evil.penguin · Jul 17, 2018

NAT disabled on the TPlink?

jsmithepa · Jul 17, 2018

Easiest way is to setup 2nd router in Bridge Mode, make it into a simple Access Point, there is sticky on the WIRELESS forum to tell you how to do it.

Current problem is, you are creating a separate subnet, with all its complications.

failboat · Jul 17, 2018

It's possible some of the equipment doesn't support that subnet mask. I don't think there is any reason to not use /24

Nic_Kobras · Jul 17, 2018

Yes I get Internet access on the devices, gateway is 192.168.0.1, the Fritzbox, and the ip of the router is 192.168.0.2.
The Fritzbox has a webinterface where you can change settings for the devices, like ip and different profiles with rights.
The Laptop got the Ip 192.168.2.2. I can also ping the Laptop on that address.

It seems to be impossible to disable NAT on this certain Version, at least I can't find anything in the manual.
https://www.tp-link.com/de/products/details/cat-9_Archer-C50-V3.0.html

Is there maybe any way to get a custom os for that router ?

I will try 255.255.255.0, that's a good Idea.

failboat · Jul 17, 2018

Nic_Kobras :

You don't need to disable the NAT since you are already using it as a wireless access point. Just don't plug anything into the WAN port.

Nic_Kobras · Jul 17, 2018

Ok, temp Solution was changing the Network Mask to 255.255.255.0 on both routers. It's not perfect, but I guess it will do for me.
Would be better with 255.255.0.0, but I don't complain ^^ Ty for the help.

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DHCP Server doesnt show Devices connected to slave Router.

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