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Re: Does the built in circle require DHCP?

Hiattech
Aspirant

Does the built in circle require DHCP?

I'm curious if the built in Circle app for this router (R6400v2|AC1750) requires DHCP to be enabled or if it can run off the modem for DHCP? I ask because we have the wireless on the modem enabled to cover the other half of the house and I would like the Circle option to be able to work for both. I tried to turn off the DHCP and set the IP of the router to the same subnet as the modem and it wouldn't let me.  Basically, I want it to act like a switch not a router so that Circle can pick up all devices on my network. Thoughts?

Model: R6400|AC1750 Smart WiFi Router
Message 1 of 4
antinode
Guru

Re: Does the built in circle require DHCP?

> [...] we have the wireless on the modem enabled [...]

 

   What, exactly, is your "the modem"?  The fact that it has "the
wireless on the modem enabled" suggests that it's a modem+router, not a
simple modem.

 

> I'm curious if the built in Circle app for this router
> (R6400v2|AC1750) requires DHCP to be enabled [...]

 

   I know little about Circle, but I'd guess that it works if the router
with "the built in Circle app" is used as a (that is, your only) router.
It's not really a DHCP question, but DHCP and full router functionality
tend to go together.

 

> [...] Basically, I want it to act like a switch not a router [...]

 

   You can do that by configuring the R6400v2 as a wireless access
point, but I'd expect that to disable its Circle functionality, too.
There's an old KB article on that subject:


      https://kb.netgear.com/26765

 

   That article pre-dates Circle, but it does mention "Parental
Controls", and I suspect that Circle meets the same fate.

 

   If your "modem" is really a modem+router, and you want to use its
router functions (including its wireless-network capability, for
example), then I suspect that you're doomed (in the sense that any
exotic capabilities of the R6400v2 will be useless to you).

 

   Visit http://netgear.com/support , put in your model number, and look
for Documentation.  Get the User Manual.  Read.  Look for "Use the
Router as a Wireless Access Point".

Message 2 of 4
Hiattech
Aspirant

Re: Does the built in circle require DHCP?

yes, sorry, my modem is a router too. it's a Greenwave C4000XG. Would it be better to disable DHCP on the modem then and have the devices redirected to my other router?  Trying to figure out how to make that work because the last time I disabled DHCP on the modem, I was not pulling an IP from the router and had to factory reset the modem to get it working right again (Enabling DHCP and rebooting still wouldn't let other devices connect.)

 

The reason I was thinking the router could do what I suggested before with Circle is because they have a separate device that connects to regular routers and does the same thing as my built in one can.  

Message 3 of 4
antinode
Guru

Re: Does the built in circle require DHCP?

> [...] Greenwave C4000XG. Would it be better to disable DHCP on the
> modem then and have the devices redirected to my other router?

 

   I have no experience with the C4000XG, so I know nothing, but I'd
guess that it's significantly more capable than an R6400v2.  Certainly,
its Wi-Fi 6 is a step above.

 

   My quick Web search suggests that the "XG" variant is a router, not a
modem+router.  What is your ISP connection to the thing, Ethernet from
an optical network terminal (ONT), or some kind of modem, or what?

 

      https://www.centurylink.com/home/help/internet/modems-and-routers/greenwave-c4000.html

 

   If you use an Ethernet WAN connection to the C4000XG, then you could
try directly substituting the R6400v2 for it.  I'd expect that to be the
only way you could use the Circle feature in the R6400v2.  I'd guess
that the C4000XG could be configured as a WAP, and connected to the
R6400v2-as-main-router, but that really would be like using a compact
car to tow a motorhome, instead of the other way around.


> [...] Trying to figure out how to make that work because the last time
> I disabled DHCP on the modem, I was not pulling an IP from the router
> [...]

 

   _Which_ "the router"?

 

   The device which you connect to the ISP must be your router.  Again,
it's not DHCP itself, it's the router functionality, but DHCP is usually
part of that.  Configuring a router as a WAP does disable its DHCP
server, but typically does other things, too.

 

   With your gizmo collection, the smart configuration is almost
certainly to use the C4000XG as the (main/only) router, and the R6400v2
as a WAP.  I'd expect that to disable any Circle functionality which the
R6400v2 might offer.

 

> The reason I was thinking the router could do what I suggested before
> with Circle is because they have a separate device that connects to
> regular routers and does the same thing as my built in one can.


   That may be, but I'd still expect that configuring the R6400v2 as a
WAP would spoil that, and that's the way you should configure the
R6400v2 if you want to use it with another router (like, say, a
C4000XG).

 

   You might try asking Netgear support about Circle with a
router-as-WAP.  (I'd prepare for disappointment.)  Or, perhaps someone
else with more Circle expertise will leap into this discussion.

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