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Forum Discussion
Orbi 772 backhaul through MoCa
Hi everyone, I hope someone can help point me in the right direction, because both I (and Copilot, Gemini, and ChatGPT) have run out of ideas. I recently purchased a new mesh system (Netgear Orb...
ISP CPE (likely a NAT router, and including WiFi too), plus yet Another TP-Link AC1200 Router (another NAT router and WiFi) - and everything seamlessly connecting each router WAN and LAN again over the single MoKa network....
Looks like some natural grown network infrastructure, with plenty of predictable (and some very obvious) problems.
As someone already suggested, disable any NAT in the ISP CPE (make it a pure Internet bridge). What purpose sgult that TP-Link router have?
Hi Schumaku,
The only reason for me to place the TP-Link router is because I read that it's necessary between the fiberbox and MoCa.
I don't understand your abbreviations (ISP CPE and NAT) Sorry 😞
ISP = Internet Service Provider
CPE = Customer Premise Equipment, rented to say the device you designate as fiberbox
NAT = Network Address Translation - the system that "hides" your private LAN from the public IP address assigned by the ISP - this way your private RFC 1918 LAN IP adresses (I guess your Orbi uses 192.168.1.1 on the LAN port by default.
WAN = Wide Area Network, the network coming to your home on that fiberbox.
Isn't the plan to operate your Netgear Orbi Router as the one and only router to correct direct to this fiberbox? In my option, there should be no other NAT Router (like that TP Link one) in the data path between your LAN with your router (here the main Orbi Router (the Orbi with the port marked Internet (that's technically the WAN port!)
But first, you must physically split your LAN and the Orbi Router Internet port - only establish a direct dedicated physical connection to the Fiberbox.... Otherwise, you will never come away from all te issues you certainly have by interconnecting the WAN and the LAN - because your MoCa is basically physically a d logically connected wrong.
How far is the distance between the Fiberbox and the Orbi Router? The most simple connection would be a simple RJ45 Ethernet cable (max length 100 meters) - and bit connecting your MoCA network to the Fiberbox and the Orbi Router.
Take that other TP-Link router out from the network please.
Just curious, where are you located? Wild guess it might be Denmark 8-)
In Denmark, a fiberbox (commonly referred to locally as a fiberboks, ONT (Optical Network Terminal), or Fiber KAP / KundeAfslutningsPunkt) is the wall-mounted device that converts optical light signals from the fiber infrastructure into electrical signals for your home network.
Reiterating thugs a little bit more: As you apparently have a fiber Internet connection - you still appear to have some Cable TV in your home. Or is that MoCA not connected to your Cable TV provider network? You see, I'm still concerned you might disturb the Cable TV network with that MoCA installation in case you are outside of the US.
Coexisting with Active Cable TV & DOCSIS Internet
If your home actively uses coaxial cable for DVB-C TV and DOCSIS cable broadband from a provider like YouSee or Stofa:
Frequency Plan & Compatibility:
Traditional DVB-C TV & DOCSIS 3.0:
Cable TV and legacy DOCSIS 3.0 operate below 1002 MHz. Standard MoCA 2.5 operates in Band D (1125–1675 MHz). In this configuration, both services can coexist on the same physical line without overlapping.
DOCSIS 3.1 / Extended Bandwidth: Danish operators (like the most common Cable TV providers here in Switzerland!) using high-split DOCSIS 3.1 configurations can extend downstream frequencies up to 1218 MHz. This overlaps directly with MoCA Band D, causing packet loss, modem desync, or complete loss of connectivity.
Hi Schumaku,
In my ideal setup I would like to place them (Fiberbox and Router) in diffent rooms to secure a good WIFI coverage. In this setup its not possible for me to connect them with a ethernet cabel. Only through coax.
I have no coax going into the house. It's only an internal installation. We are only using streaming for watching TV. And yes im from Denmark :).Could it work if i remove the TP-link, so between the fiberbox and the Orbi router would be Fiberbox->ethernet cabel->Moca->Coax Cabel->Splitter->Coax (To the "router-room")->Moca->ethernet->Orbi Router?
Could it work if i remove the TP-link
Removing the TP-link makes sense to me.
But you also need to isolate the fiberbox->router WAN connection from the router LAN ->satellite connection.
It sounds like you are not using the coax cabling for your TVs at all - is that correct?
schumaku's first diagram (one satellite) either requires two coax cables running between the fiberbox and room 1 (where the router is), or creating two MoCA networks running on the single cable using different frequencies (one on D-Band Low, the other on D-Band High). If either of those approaches are available to you, then that diagram will work.
D-Band Low will be significantly lower speed than D-Band High. If your ISP speed is less than about 500 mbps, then use D-Band Low for the WAN network. Otherwise use it for the LAN.
If the router is currently co-located with the Fiberbox, then I suggest that you start by moving it to room 1 (connecting the router using MoCA to the Fiberbox, using a dedicated Coax cable (no splitter). Then use the wireless backhaul with the satellite, and see how well that works for you.
If the router is already in room 1, then either go with schumaku's first diagram (with two MoCA networks), or get a second satellite and go with his second diagram.
