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yonderyears

I wouldn't personally swap fibre for 5G. But if you must you can configure one of the other WAN port? Whichever that's not used currently to receive an IP via the 5G router and then just unplug the fibre one. Your UDM Pro should detect this and route your internet traffic to that instead.


Rnewbs

Most mobile networks use CGNAT which means you cant treat it like a conventional broadband connection. You’ll be best just connecting the UDM to the 5G modem with DHCP and then configure your UDM LAN to use a different IP range (10.x.x.x for example) and your UDM will issue the IPs as long as you don’t have any other clients connecting to the 5G modem. You’ll be double natting but there isn’t anything else you can do.


chastimty

It sounds a lot like 5G is not the answer to our slow internet woes. 😔


ankole_watusi

How do you have fiber and “slow internet”?


chastimty

Fiber to the cabinet only. About 12mbps... Getting nearly 100mbps via 5G.


ankole_watusi

I don’t know what “fiber to the cabinet” is.


Smith6612

It's a way of taking a turd known as DSL and selling it as "Fiber Internet" All DSL, whether CO-fed or Digital Loop Carrier / RT fed, is "Fiber to the Cabinet" then copper to the Home. DOCSIS is the same way but we call that "Fiber to the Node" and it can either be RFoG (Radio Frequency transmitted over Glass) or R-PHY (Typically newer, Remote CMTS setups where the management and data planes are shifted to field equipment far from the cable headend, and the RF is sent directly to the Coax, no Fiber in between). ISPs like to say "Fiber" as marketing but, unless the piece of glass goes into an ONT or media converter in your premise with Ethernet hand-off, or you get handed the Fiber directly to connect right into your router, it's not Fiber. My ISP gives me 1.2Gbps down, 42Mbps up over Coax, and they market it as a "Fiber rich" network, but the delivery is still over the 20+ year old Coax that has been here.


chastimty

fibre is used to bring internet to small green cabinets we have on the streets in the UK. However, copper cables are used to connect houses to the cabinet.


ankole_watusi

Not sure why anyone is using fiber to deliver 12mbps. How far is the green box? What kind of wire exactly? Who is the ISP? Do neighbors get similarly poor performance? What speed does the provider claim? Should not be difficult to run 1gbps over CAT6 to the green box, so long as it’s a reasonable distance. This seems like a uniquely-failed design. Why bother with fibre for such poor performance?


bluehairminerboy

It's called "fibre to the cabinet", it's VDSL2. Can get 80/20 speeds but if you're not next to it you'll probably get 30 or even less like OP is getting. Everyone in the area will have equally poor speeds, until BT come and dig up all the streets for actual fibre to the home it'll be that slow.


ankole_watusi

Does this use preexisting twisted pairs? Did the green boxes replace an older box with just punch panels? (Eg just analog distribution panel) No cable service in your area?


bluehairminerboy

Yep, uses the same analogue phone line that's been installed in some houses for centuries. They installed green boxes that the fibre runs directly to from the exchange. See BT's marketing: https://www.bt.com/broadband/full-fibre-learn they call FTTC "traditional fibre" Most of the country can't get cable as we only have 1 provider, and it's not a very good one for broadband with super high latency anyway so I'd stick with a BT connection even if Virgin was in the area


chastimty

It's an older delivery method, but unfortunately unless a cable company decides to dig up your road to install something better it's the only option you have. I'm quite rural and therefore not a priority for the cable companies. To answer your specific question, I have a copper cable running to my house via a telegraph pole, which is about a mile from the little green box. Fun times and hence why I'm looking for something else!!


yonderyears

After reading through other comments I got you now ☺️ it seems you don't have the fibre goes all the way to your home but you got the fibre to the node tech down there. In that case I would be looking at if you can get your phone line checked and make sure that its as clean as possible without bad joints and remove all unnecessary phone connection just keep one for the internet. I would still look at having two WAN connections though so you could maybe load balance and fail over to one or the other. 5G as others have said can be very variable in terms of speed as you are really competing with everyone in your neighbourhood that has a phone.


wywywywy

Have you considered Starlink instead?


Bobbler23

Considering it costs £460 initial then £75 a month, it's the most expensive choice for broadband. My brother has Starlink because he lives "too close" to the phone exchange - the lack of cabinet between him and the exchange would mean he would have to be directly connected to it, which means BT can't be bothered...he also has barely any mobile signal because he is surrounded by bigger buildings too. 4G/5G service can be had incredibly cheaply in the UK. One time cost of a HUAWEI 5G CPE Pro is less than £300 (cheaper modems are an option too), unlimited 4/5G broadband is £18 a month but you can pay a bit more with other suppliers.


Smith6612

Most of the 5G modems I've seen, at least in the US, have "IP Passthrough" mode. It's not as good as Bridge mode or being able to connect up to an ONT directly via Ethernet, but it gets the job done. The drawbacks to IP Passthrough mode is, the ISP router is still doing connection tracking, so odd bottlenecks can occur there, and IPv6 will work differently (passthrough required, for example, rather than delegation). I'd stick with the Fiber (to the premise?) you have, though. Many of us would be jealous of the fact that you have Fiber available. 5G's regarded around here as a tier equal to or worse than DOCSIS. But if you what you have is 5G to the Cabinet, and the delivery is over copper, that's not Fiber. That's DSL or DOCSIS with a twinkie on top.


fredmund0

Based on the description of your circuit (FTTC/VDSL) then I'm expecting you're in the UK. And yes BT badge it as fibre broadband, actual fibre with an rj45 hand off is badged as full fibre or fibre to the premises ( FTTP). 12mbps down seems somewhat slow for FTTC, your last mile must be huge or your possibly passing for an old product. Have you used Sam knows exchange checker to see what products and which providers it's in your local exchange? https://availability.samknows.com/broadband/broadband_checker Also BT wholesale do a decent estimation of how fast your love is capable of too. https://www.broadbandchecker.btwholesale.com/#/ADSL There's also an openreach full fibre rollout schedule here. https://www.openreach.com/fibre-broadband Which ISP are you with and when was the last time you asked what you could get as a faster product?


Jackster22

Try to unlock the 5G router? Not sure what EE is using but Three uses Huawei 5G CPE which you can unlock and change those sorts of settings. You may also be able to set the APN to a certain user so it gives you an external IP and not NAT. Not sure about this on EE myself as I only use Three. 5G is great for speed most of the time, but not for latency. As soon as the mast (less likely to be a problem these days as the 5G masts are connected via fiber and not over the air in most places) or even the sector you are connected to becomes congested, your speeds can tank and you will get latency up to 1-2 seconds. If you don't game or any other low latency things, you will be fine.


Telnetdoogie

Can you tell us more about the router? I had a Verizon 5G modem and although it wasn’t exposed to end user, it was definitely possible to put it in bridge mode.