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Forum Discussion
jcg2026
Jun 24, 2026Aspirant
Orbi RBR20 static route issue
Is this the right group for the RBR20 router? I'm having an issue where I setup a bunch of static IP address (with MAC address) under Setup / LAN setup, and then under Security / Access Control I hav...
CrimpOn
Jun 24, 2026Guru - Experienced User
AI is a useful tool, but not always entirely accurate. I have an Orbi WiFi5 router similar to the RBR20.
It might be helpful to examine the tables in the Access Control page. There are three tables:
- Devices that are currently connected to the network.
- Devices that are "Allowed" but are not currently connected.
- Devices that are "Blocked" and are not currently connected.
How can a device be "Blocked" and still connected? This is one of the strange things about networking. Suppose, for example, a device with an Ethernet adapter is physically plugged into the network. i.e. it is physically "connected". This is simply a fact. It can communicate using the Layer 2 Ethernet with other devices that are connected to the system. If it is "Blocked", then what it cannot do is communicate with devices where the communication requires it go pass through the router. A device can also be "connected" to the system using WiFi. i.e., it presents the correct WiFi credentials, so it is "connected". HOWEVER, when it attempts to communicate, it gets Blocked.
Of course, if the user happens to CLEAR table 2, then when a device connects again, it will be "New" and thus blocked.
My guess is that the "bug" is that the system does not interpret a device having an entry in the LAN reservation table as indicating whether it is "new" or "not new". i.e. when Access Control is enabled, the system might do this:
- Device connects (Ethernet or WiFi) and issues a DHCP request.
- Router looks in the LAN reservation table. Sees an entry for that MAC address and assigns an IP.
- Router then sees that Access Control is Enabled and checks, "is this MAC address in Table 1 or Table 2?" If so, the device is "Allowed". If not, the device is "Blocked".
"bug"? probably. Netgear going to fix it? not likely. These systems are End of Life.
p.s. Except for experiments, I do not enable Access Control.