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Forum Discussion
I wanted to reserve a 'static' IP for my security camera
I'm having similar issue. I wanted to reserve a 'static' IP for my security camera. After I pick the MAC address for my camera by clicking the radio button on the left and the very last is to clic...
A side question. Just so I understand exactly how the addresses listed under 'Address Reservation' table/list on my Netgear R8000 work. Say I have a client device with MAC address
MAC123 and I manually added an entry (IP) for this device to be 192.168.1.200 in the 'Address Reservation' pool for MAC123. Assuming the client device does not allow you to
physically assign a static IP on the device. At the moment the Netgear R8000 sees this device connected and 'online', it immediately sends out 192.168.1.200 to the device, correct?
Under what condition/scenario this client device would not receive the x.200 address from the router?
If this device is already online when the reservation table is updated, it will continue to have the same IP address until the router itself is rebooted.
The DHCP process looks first in the router ARP tables to see if the MAC address of a device making a DHCP request is already on the network with an IP address. If it is, then the device is allowed to keep that IP address. If it is NOT in the ARP table, then the router looks next to the reservation table to see if the MAC address is in that table. If not, it makes an assignment from the DHCP 'pool'.
Not what we humans would expect, but that's what happens. (and, yes, it has been a major annoyance to me)
Rebooting the router clears the ARP table, so every device on the network makes a request and none of their MAC addresses are in the ARP table, so they get an IP address they way we think they should.