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Forum Discussion
DougB628
Jan 25, 2019Apprentice
DHCP not working properly, log filling with DHCP assignments
So I have noticed that after rebooting, sometimes DHCP doesn't work properly. No devices that use DHCP, whether they have a DHCP reservation or not, get DHCP assigned IP addresses. Whenever this prob...
DougB628
Jan 28, 2019Apprentice
There are multiple switches in my network - how does that pertain to a problem related to DHCP? I have both wired and wireless devices that do not get DHCP addresses when this is not working correctly.
I have 40+ devices on my network - are you asking me to list all of them?
Satellites are connected via wireless backhaul.
My RBR50 and first RBS50 were purchased together as a kit. The second RBS50 was purchased several weeks later. A full factory reset has never been performed on any of them, and I know that all of them did an automatic upgrade to v210 after their first boot up. I can try to set some time soon to do that - it will need to be coordinated with the family, as they tend to get pretty irritated when the internet is not available.
Changing the default IP address pool for .100 to .200 is not a viable option - I have an addressing scheme in use that has many static IPs in that range.
RIP Version is disabled. I see options for RIP_1, RIP_2B, RIP_2M. Should I try one of those?
A follow up from my earlier discovery - the process of turning off DHCP, applying change, and turning it back on, applying change is not a guaranteed fix. It is as reliable as the reboots, but it is still better than rebooting. Last night I had to turn DHCP off/on a few times before it stablized.
I setup a Raspberry Pi last night with DNSMasq, and I am *very* close to just using that for my DHCP to solve this and the fact that the Orbi won't let me set a subnet mask of 255.255.252.0. Plus I'll get the benefit of DNS caching. I have a couple more Raspberry Pi's around from some set top box experiments, so I'll even be able to have redundancy of having two or three of them. Seems that it shouldn't be necessary to have to do that with a mesh wifi system that I have now spent well over $500 on...
FURRYe38
Jan 28, 2019Guru - Experienced User
There are user posts about some switches not working well with Orbi. So reason for asking. Please let us know Mfr and model please.
A reset should be performed on the entire system after a FW update. I've seen issues with autoupdate or even a manual FW update not working well untill a factory reset and setup from scratch as been performed. Works after that.
When you say "Static IP in that range" do you mean IP address reservations set ON the router or Static IP set ON devices. Static IPs are set ON devices OUTSIDE of the routers default IP address pool. IP address reservations are set WITHIN the routers default IP address pool. Just want to be clear on this.
You can try one of the RIP versions however for most home configurations, its not needed. However you can try and see. Disable it if you don't see any changes.
If you have a RPi for DHCP and DNS, why not configure the Orbi for AP mode. Would make things much easier.
Over all, DHCP works well, I use a custom DCHP range for mine. I haven't seen issues like this. Non Managed switches only.