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Hub 5x

pandaexpress2
Tuning in

Why does my internet stop working when I turn the dhcp off the hub? I have my own Ubiquiti router and access points and thanks to no modem mode I have set it up on the 192.168.1.0 network but whenever I turn the dhcp server off on the hub my internet completely goes off and no device can connect to the hub or access it and I have to factory reset it.

17 REPLIES 17

Roger_Gooner
Alessandro Volta

You have two subnets, so for the Ubiquiti to get its WAN IP address it must be connected by its WAN port. if you disable the hub's DHCP server the Ubiquiti will get nothing. I don't understand why you would set up your network like this.

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Note: My username is Roger_Gooner and not Alessandro Volta
Hub 5, TP-Link TL-SG108S 8-port gigabit switch, 360
My Broadband Ping - Roger's VM hub 5 broadband connection

I don't understand what you aren't getting, there is nothing wrong with my setup and it is the best I can do without modem mode. It has wan ip in the 192.168.0.0 network and gateway for 192.168.1.0. As I have said if the Ubiquiti router isn't in router mode I can't use the console function properly so the access points can't talk to each other which means meshing and handoff doesn't work. It is totally worse experience like that where say my phone stays connected to the AP downstairs when I move upstairs and goes really slow as its further away and has to travel through other AP waves again slowing the signal.

whats not to get hub DHCP is on static IP on Ubiquiti router like 192.168.0.254/24 to gateway 192.168.0.1 it works then disable DHCP on hub no internet...what a useless option to have on the hub that kills the internet!

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Tudor
Very Insightful Person
Very Insightful Person

I also don’t understand your setup. If the VM hub is on x.x.0.1 and the Ubiquiti router has your LAN on x.x.1.0 then the router should be router mode.

VM hub (192.168.0.1) ——-> Ubiquiti WAN port (192.168.0.254) =======>Ubiquiti LAN (192.168.1.1)

routing should occur between the Ubiquiti WAN and LAN port and you should be able to fully use the Ubiquiti Network Application on the router.


Tudor
There are 10 types of people: those who understand binary and those who don't and F people out of 10 who do not understand hexadecimal c1a2a285948293859940d9a49385a2

Yes it works but as there is only one static ip address on the hub there is no reason for dhcp to be on the hub, I am not saying it doesn't work I am just asking why when I turn off a simple feature it loses all internet.

At least someone gets it, it is best practice not to have two dhcp servers on a network and since I don't want any devices on the hub I should be able to turn it off.

legacy1
Alessandro Volta

maybe you can do a test run hub with DHCP on let your router get a IP by DHCP then set your router with that IP as static see if it works then disable DHCP on hub see if it still works.

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I did have it working for a day but I woke up on Sunday morning with the internet off and now as soon as I turn it off it just goes straight on and I have to factory reset the hub. I will just have to leave it on for now as it simple doesn't work when off.