Orbi WiFi 7 RBE973
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C6300 Assigning an IP that is not in range?

SeaDude
Aspirant

C6300 Assigning an IP that is not in range?

Why is the guest network dhcp assigning devices to a subnet I can't control? When devices connect to my network, even my guest network, I want to define an IP range and other paramenters. My 2.4/5Ghz networks both share 192.168.0.x network but my guest network runs at 192.168.251.x.

 

Where is the C6300 assigning this address range from?

Model: C6300|AC1750 Cable Modem Router Docsis 3.0
Message 1 of 4
antinode
Guru

Re: C6300 Assigning an IP that is not in range?

   Firmware version?

 

> Why is the guest network dhcp assigning devices to a subnet I can't
> control?

   The easiest explanation would be that you're connecting to someone
else's guest network.  As usual, many things are possible, but I would

not expect the (one) Netgear DHCP server to be clever enough to be able

to dispense addresses from more than one subnet.

Message 2 of 4
SeaDude
Aspirant

Re: C6300 Assigning an IP that is not in range?

Firmware v2.01.22.

 

I'm connecting to my own guest SSID. Not sure how this router is assigned a random subnet. Dont' like it.

 

Message 3 of 4
antinode
Guru

Re: C6300 Assigning an IP that is not in range?

> I'm connecting to my own guest SSID. Not sure how this router is
> assigned a random subnet. Dont' like it.

   Another possible explanation would be that some other device on your
LAN (possibly another wireless guest device) is running a DHCP server,
independent of your router, and your guest devices are getting their
addresses from it.

   Some Internet-of-Junk gizmos which have not yet been configured
properly will run their own little networks, including a DHCP server, to
make it possible to configure them by connecting directly to them using
a computer/phone/tablet.  If one of those goes berserk, then its DHCP
server could be supplying these foreign addresses.

   If you can't find any other devices to blame, then you might resort
to the usual panacea, a full ("factory") reset, and then
reconfiguration.  You can try saving and restoring the settings, but if
they're corrupt, then a manual reconfiguration might work better.

> [...] I would not expect the (one) Netgear DHCP server to be clever
> enough to be able to dispense addresses from more than one subnet.

   Still true, but, as usual, many things are possible.

Message 4 of 4
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