2 Routers 1 Home Network | Why Disable DHCP?
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- Опубліковано 5 сер 2020
- When you have 2 routers on 1 home network, is it really necessary to disable DHCP?
"I didn't disable DHCP on mine and it worked fine!"
Yes, it's true that it's not necessary to disable DHCP. Dynamic Host Configuration Protocol's whole purpose is to assign IP addresses to devices on your network. But if you don't disable it, you will have problems in the future.
Router 1 has a DHCP server that operates INDEPENDENTLY of Router 2, which also has its own DHCP server. They don't communicate with each other which IP addresses they are handing out.
It's possible that Router 1 can assign DIFFERENT IP addresses than Router 2. It's random.
However, it's also possible Router 1 can assign the SAME IP addresses as Router 2.
You can even plug everything in and have it working initially with no IP conflicts. But then later when you get back home from work you can be assigned a NEW IP address without even realizing it. So it's possible to have problems in the future even if you aren't adding "new" devices to your network. Your IP address is LEASED to your device from the DHCP server for a temporary amount of time. Like 1 day or 1 week. Then when that expires, it CAN be assigned the same IP address again. But it can ALSO be assigned a different IP address. This opens up the possibility for IP address conflicts days, weeks, or months down the road.
It is possible to make advanced configurations to your DHCP servers so that they are choosing different IP addresses independently so there will be no IP conflicts. But I believe in the KISS principle (Keep It Simple, Stupid). Just disable 1 of the DHCP servers. No need to make all kinds of configurations that achieve the same result as simply disabling DHCP on all but one router.
All devices that connect to the router with DHCP disabled can still obtain an IP address from the router with DHCP enabled. Basic networking concepts allow that to happen.
I hope this was clear and not more confusing. Thank you for your time and I hope I've helped you out!
You don't how happy i am to have found your channel. Thank the heaveeeeens 😌♥️
Me at
Finally - someone explains why the secondary router should be set up in AP mode with DHCP turned off. Thank you very much.
Thank you so much, this is the best explanation of conflicts that I’ve received so far, was trying to figure out why my phone would just not work sometimes on Wi-Fi.
Thank you for your explanation. I used to be a network and server administrator some 20 years ago. Since then I have been doing other stuff in ICT, more business architecture orientated. I have forgot all the skills I used to have. I'm going to move the new apartment in couple of days. Because of two stairs I need to have two wifi routers and I simply didn't remember how connect them together in right way.
Man, you're totally one of those people who's effective in teaching... cuz a guy like me, who had no clue of this DHCP and other router terminologies etc., finally understood this sh** by only just watching this 10 min video of yours. 1 sub count from me? done.
This man can explain complex topics and simplify it for the regular peeps. Thanks!! This helped me a lot
This man is genius in explaining complex things..appreciated
What you have said is common sense. The best solution is always to keep things simple. I have a couple of routers at home. The nightmare was setting up all the routers the other ways you have mentioned: setting up the IP ranges etc. Since I saw your other movie about how to set up routers disabling DHCP and changing IPs in every one of the routers, life has become easier.
A friend told me to do this, i wanted to know why.
I found the major issues with multiple DHCPs at different routers are the resources sharing, such as printers, NASs, they won't able to cross all the routers. IP conflict is not really a issue as you can assign different IP ranges for each router/DHCP.
I did a similar video and yes disable DHCP because it may or may not work and why take the chance. Its a simple one click disable tab. Its not a difficult task and its the same as disabling the UPNP which is also necessary. Good video Home Network Central. By the way I love Home Networking!!
Yes that was very helpful as we have two routers here and we had conflicts, so hopefully when my son in law gets home from work he can disable DHCP on the secondary router, so thanks for the clarity.
Great explanation. I set up a google Wi-Fi nest and noticed my phone’s internet connection was always slow. Now I know why. I will disable my cable modem’s DHCP. Thanks
Absolutely brilliant explanation! the best on UA-cam!
Man love how you explain it for us network dummies can understand it! Lol Thanks man been having this exact problem! 😆
Short & Clear. Well done
Thanku soo much for providing me this information.
Thanks ! Straight to the point , easy to understand ✅
Very clear and very simple explanation thank you for you help and instruction Keep it simple !