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Forum Discussion
David9
Aug 28, 2026Aspirant
Orbi 850 running V7.2.8.5_5.1.21 dhcp issues
Hi I recently switched my Orbi 850 back to router mode from AP mode as I have a new ISP. What i've found within a day is that the dhcp function on the Orbi 850 (+1 satellite) running V7.2.8.5_5.1...
David9
Aug 30, 2026Aspirant
The ISP provides a fibre service and then Ethernet converter as an NTU/modem. It is a direct connection from that to the WAN port on the ORbi 850. This is not the issue.
I have tried changing the DHCP range from default to .50 to .199 but made no difference. I don't want to use an IOT. But wouldn't that use the same DHCP range or does that have its own range?
- FURRYe38Aug 30, 2026Guru - Experienced User
I would try the IoT network for your IoT stuff.
50 devices here. All on main WLAN.
I might bring my 850 series out and check this.
- HappyCatAug 31, 2026Virtuoso
David9 wrote:
But wouldn't that use the same DHCP range or does that have its own range?
Yes. There is only one DHCP 'pool'. IoT devices will be assigned IPs the same as devices on the primary network. However, "assigned" or "reserved" IP addresses do not need to be in the pool. My practice is to use the LAN Setup page to reserve IP addresses for devices (using their hardware MAC address) which are separate from the 'pool' of addresses that are available for other devices.
For example, if those 40+ nanoleaf bulbs are entered into the LAN setup table with IP's such as 192.168.1.21 through 192.168.1.(60 whatever), those are the IP addresses that will be offered to the bulbs when they make a DHCP request.