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Current working configuration: Modem+router ------> Room A(another router) ------> Room B(R3 then the PC is connected through the R3's yellow port) ------> Room C Again today I have tried below config (Which does not work) Modem+router -----> R3 ------> Room A (With TPLink Deco M4 mesh) ------> Room B (with PC) Modem+router has DHCP enable, even R3 has DHCP enabled R3 does not detect Room B lan (No lights visible on R3 for this port) In above config Room A internet is working. Now very strange part is that when I removed all the cables from R3 and kept only Room B lan connected, it still does not show any visible port light (Have tried reboot as well) Also note that same cable when putting in blue port (As in above working configuration) works.

@Alias 1aB As wires are inside the wall, only configuration is below: Modem+router -----> R3 ------> Room A (With another router) ------> Room B (with PC) ------> Room C I have tested with or without the R6 (Room A router) and with DMZ on and off both (on modem_router). With DMZ on internet works on R3 via wifi (Even Room A router works) but Room B no connection is made. @Alias 1aBPlease check above images, please suggest what can be done, i am okay with removing DHCP or even whole R6 router.

Its a very long ethernet cable. Only Room A device was showing as connected in duma os. As mentioned above:

DumaOS Version 4.0.41 App Version 4.0.1

With current temp solution: Modem+router ------> Room A(another router) ------> Room B(R3 then the PC is connected through the R3's yellow port) ------> Room C ipconfig: With required solution: Modem+router -----> R3 ------> Room A(R6) ------> Room B(PC) ------> Room C With DMZ off on ONT Nothing works from R3, even R3 wifi is not working and both Room A and Room B does not have any connection with no lights on R3. With DMZ on on ONT Room A (R6 works) But Room B pc, no connection or detection, even R3 os shows that only 1 lan is connected. Please find below screenshots with DMZ on on ONT: When only Room B (PC) lan is connected:

yes correct, ONT (LAN) -> (WAN) R3 (LAN) -> (WAN) R6. Attaching screenshot for R6 config.

Netgear R6220 AC-1200 Mbps Smart WiFi Dual Band Router

Room A's router is being used as a WiFi extender since the network from the lobby does not reach the rooms properly. I would prefer if I could make R3 my main home router and just connect the router via my homes Ethernet hub to all the rooms. The main problem that I am facing is that the router only recognizes one of the Ethernet cables, Any Room 's cable that i connect first, but it does not recognize multiple cables that i connect. Modem+router -----> R3 ------> Room A(Another Router) ------> Room B(PC) ------> Room C(another PC) Room A is working, but Room B and C are not.

The Modem+router which My ISP provided is - Product: GPON ONT MODEL: ZXHN F670L Made by ZTE CORPORATION

No DMZ is off on the modem+router. Are you talking about another router (which is in Room A) ?

No, PC is on dynamic IP which should be the default settings and yes ethernet cables are fine As of now as a Temporary solution instead of PC I have connect the room's ethernet cable to R3 Modem+router ------> Room A(another router) ------> Room B(R3 then the PC is connected through the R3's yellow port) ------> Room C And this is also working.

So currently there are 3 rooms and one lobby. From lobby (where modem+router is present) 3 ethernet wires are spawned to 3 rooms board (Each room using that ethernet port to consume the internet). One of the room's port is connected to another router (for that rooms wifi needs), in this room the R3 to this room ethernet always works. Another room's port is connected to a PC (this is not working when it is connected via R3) Current: Modem+router ------> Room A ------> Room B ------> Room C And this is working. Wanted / Required: Modem+router -----> R3 ------> Room A (With another router) ------> Room B (with PC) ------> Room C Room A is working, but Room B is not.

Already have modem+router (Which takes optical fiber input) from ISP, Now I want to connect this modem+router to my new R3(Lan/Ethernet Cable) and then use R3 as my Main home router. I want Main home router features - All room ethernet should come from R3 - Use it as my main Wifi When i tried to connect all room's ethernet from R3(Yellow lan ports, blue lan port is connected with modem+router) Only one of the yellow ports was showing white light other were not working I checked all of them one by one so ports are fine

Hey! There are two servers available in my region: one is in Singapore, and the other is located in the Middle East. I have made sure that both of these locations are within the radius. The Geofiltering was working a day before yesterday, but since last night, it's not working for some reason. @Fuzy EDIT- Disabling Geo Latency fixed it for me Thanks

I have tried resetting the router and even tried using my PC as a console in the dumaOS settings