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Author Topic: Home networking (5e and 6)  (Read 3172 times)

skyeci

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Home networking (5e and 6)
« on: March 19, 2022, 05:35:25 AM »

Whilst prepping and thinking about my fttp install some years ago I hard wired our house with cat5e. I know cat6 has more bandwidth but would we as home users really see any difference in replacing all the current 5e. It was a bit of a task at the time so I am not sure if I wanted to even do it at the moment unless we really would see any noticeable difference?.... all good quality switches/patch leads etc being used at the moment.
fttp will be 1gb service.
Thanks.

Alex Atkin UK

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Re: Home networking (5e and 6)
« Reply #1 on: March 19, 2022, 07:27:26 AM »

If its done well it should handle 2.5Gbit no problems and may even run 5Gbit or 10Gbit depending on the quality.  The point of 6a is merely that its guaranteed to support those.
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Re: Home networking (5e and 6)
« Reply #2 on: March 19, 2022, 11:09:37 AM »

Unless the cable or install are actually bad, not just reasonable, 5G should be fine across the kinds of distances we home users cable across.

10G over sub-30 metre spans may be doable.

HPsauce

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Re: Home networking (5e and 6)
« Reply #3 on: March 19, 2022, 12:51:38 PM »

Domestic distances are usually much lower than the 100 metres that these cables are certified to support at the appropriate speeds.
I've pushed my network in the other direction, using 4-core telephone cable up to about 25m, it works fine for TV streaming and many other functions and is much easier to route.
I "think" it's only supposed to run at 10mbps though I have my suspicions that I might get more than that.  :angel:
Edit: In fact it seems to reach 100mbps only requires 2 pairs, it's Gigabit that needs all 4.  :graduate:

It's a long time since I ran the cables and I've forgotten my researches at the time, but I think all devices are configured at 100mbps and works fine.
The cable is "sort of" (but probably not exactly) Cat3 I believe.
« Last Edit: March 19, 2022, 12:59:24 PM by HPsauce »
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HPsauce

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Re: Home networking (5e and 6)
« Reply #4 on: March 19, 2022, 01:01:46 PM »

I think all devices are configured at 100mbps and works fine.
Just checked my router and all the local LAN is 100mbps.  :cool:
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Ronski

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Re: Home networking (5e and 6)
« Reply #5 on: March 19, 2022, 08:17:16 PM »

I'm running 10Gbps across my CAT5e, can't remember the lengths of the cable, but I've even joined the two office cables at the patch panel downstairs, and tested between the two office PCs. I think that's about 25 meters + patch cables, and it worked fine.
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Re: Home networking (5e and 6)
« Reply #6 on: March 19, 2022, 11:26:27 PM »

Yes, I have 10G running over short 5e runs. Not a fan of it so don't have much but it's there where there were no other options. Rather use twinax and optical.

skyeci

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Re: Home networking (5e and 6)
« Reply #7 on: March 20, 2022, 05:23:53 AM »

Thanks for replies. I would like to think I did a good job  back when I installed it. Basic wiring tester to confirm the wiring but is there any software that can test the throughput somehow of each cable run end to end etc ..

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Re: Home networking (5e and 6)
« Reply #8 on: March 20, 2022, 09:11:36 AM »

Sadly not. You need the radios either side to generate the signals.

Just as with DSL it's all about attenuation and crosstalk so you need hardware capable of transmitting and receiving the frequencies you want to measure.

Doesn't use the exact same systems as DSL but doesn't use baseband either. It goes up to 500 MHz and uses 16 possible states for each Hz so needs a decent SNR along with a cable thick enough to not lose the higher attenuation 500 MHz.

Ronski

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Re: Home networking (5e and 6)
« Reply #9 on: March 20, 2022, 06:55:11 PM »

There's plenty of software to measure the performance, Iperf is one, but not so good on Windows, there's another I've used, but can't remember what that's called at the moment.

Remembered it https://totusoft.com/lanspeed and https://totusoft.com/lanspeedserver
« Last Edit: March 20, 2022, 07:00:34 PM by Ronski »
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Re: Home networking (5e and 6)
« Reply #10 on: March 20, 2022, 09:22:48 PM »

Think he's after what the physical layer is capable of given the thread is about wiring. Software isn't going to tell you a run of cable is capable of 40G when you've 1G ports either side, need hardware for that.

Alex Atkin UK

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Re: Home networking (5e and 6)
« Reply #11 on: March 21, 2022, 12:48:27 PM »

Unfortunately you need expensive hardware for that, if you want actual trustworthy measurements.
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Weaver

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Re: Home networking (5e and 6)
« Reply #12 on: March 21, 2022, 09:13:42 PM »

It’s difficult to get measurements because the result will depend on the physical layer protocols in use, so it will be more about how the link is being used than the properties of the link itself. Depends on what you want in practice though. The former might be more relevant and useful.
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Re: Home networking (5e and 6)
« Reply #13 on: March 21, 2022, 10:09:29 PM »

Kinda, though people will be using Ethernet so the that layer is well known. Cable qualification measures attenuation at a variety of frequencies and crosstalk between pairs. It's all a matter of SNR fundamentally. Ethernet has certain requirements across the entire spectrum and if the cable can't meet those at the specified transmit power game over.

No-one is using a variation of DSL on their 4 pair twisted pair to maximise throughput and there's no prospect of it. Cheaper to use better cabling than spend all that money on transceivers. It gets that expensive and the requirement that pressing copper is replaced with fibre.

Ronski

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Re: Home networking (5e and 6)
« Reply #14 on: March 22, 2022, 07:39:23 AM »

Think he's after what the physical layer is capable of given the thread is about wiring. Software isn't going to tell you a run of cable is capable of 40G when you've 1G ports either side, need hardware for that.

He said "is there any software that can test the throughput somehow of each cable run end to end", surely as you've pointed out if he wanted to know the maximum speed the cable could support he would of asked about hardware, the OP also infers he's only interested in 1Gbps speeds.
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