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Orange (Sosh) fiber is terrible

Goune88 Posted messages 10 Status Membre -
brupala Posted messages 111947 Registration date Status Membre Last intervention - 19 Feb 2022 at 13:56

Hello, I recently moved out of my parents' place to settle in a small village where fiber is available. I ordered my Sosh fiber, got my appointment, and everything was going well until then.
Once everything was finished, of course, I tested the connection, both wired and via Wi-Fi (300mb/s), and I got the same result for both, which made me pretty happy at first.
Then came the installation of various software and games on my PC, which is directly connected via Ethernet to my box.
I thought I would go quickly to install all of this, and then the drama happened — I couldn't exceed 11-12mb/s. Of course, I checked all my connections, all my Ethernet cables are CAT6, etc.
I contacted a Sosh technician for help, and after his intervention, it's worse than before! (90mb/s), and I'm talking about speedtest!!! So I thought maybe this was more accurate and that I would be able to download at that speed now, but no, I'm stuck at 5mb/s for downloading, so I don't understand anything.
If anyone has a solution or an idea that I haven't tried yet, I'm all ears.

Liens connexes:

6 réponses

Réponse 1 / 6

jee pee Posted messages 9403 Registration date Status Modérateur Last intervention 9 948

Hello,

First, you need to review the basic units.

Throughput tests are generally measured in Megabits per second: Mb/s

Download speeds, on the other hand, are in Megabytes per second Mo/s or in English MB/s, with the capital B indicating Byte, which is octet in English,

while the lowercase b in Mb/s means bit. 1 octet = 1 Byte = 8 bits.

After that, the only real test is with a PC connected via Ethernet cable to the box.

And for a download test, see a site like: https://bouygues.testdebit.info/
which will be more relevant than any other site

Goune88 Posted messages 10 Status Membre

So I tested your link, when I try to download it, it's at 10MB/s, it shows me a remaining time of 15 minutes for a 10GB file.

Réponse 3 / 6

Goune88 Posted messages 10 Status Membre

My bad, and well in that case I just reversed mo/s and mb/s but the results are the same..

Goune88 Posted messages 10 Status Membre

Goune88 Posted messages 10 Status Membre > Goune88 Posted messages 10 Status Membre

I did not get the same results as in my question regarding the speed test, but as for the download speed, it is the same.

jee pee Posted messages 9403 Registration date Status Modérateur Last intervention 9 948 > Goune88 Posted messages 10 Status Membre

Yes, the download speed isn't great for fiber, and the download speed is consistent at 10 MB/s

If you had 300 Mb/s at the beginning, you shouldn't have called them, it's the max speed of a Sosh subscription.

Did the technician have you make any changes to the box or your PC?

Goune88 Posted messages 10 Status Membre > jee pee Posted messages 9403 Registration date Status Modérateur Last intervention

What I find strange is that in one test I get 300Mb/s and in the next one approximately 100Mb/s. The technician just had me reset the box and didn’t mention anything for my PC.

Goune88 Posted messages 10 Status Membre > Goune88 Posted messages 10 Status Membre

Here is now a test that I just completed:

Réponse 4 / 6

jee pee Posted messages 9403 Registration date Status Modérateur Last intervention 9 948

So you've switched back to the maximum speed of your subscription, with a download speed that matches.

If you have a speed that fluctuates between 100 and 300 Mb/s, it would be wise to document it to argue with support.

Check your box's interface to see if you have a history, graph... on the connection speed.

For example, on my Freebox, I have:

where we can see that my VDSL speed is perfectly constant over an hour. The status exists for day, week, and month to track changes.

Goune88 Posted messages 10 Status Membre

Unfortunately, I don't have any graphs; I was also supposed to have a Freebox, maybe I should have taken that one.. Anyway, for now it seems stable, the concern being still a rather low download speed compared to the speed test.. I have a technician coming tomorrow at 4:30 PM, I’ll keep you posted, thank you.

jee pee Posted messages 9403 Registration date Status Modérateur Last intervention 9 948 > Goune88 Posted messages 10 Status Membre

36 MB/s in download is consistent with a line speed of 300 Mb/s.

Goune88 Posted messages 10 Status Membre > jee pee Posted messages 9403 Registration date Status Modérateur Last intervention

Great! You reassure me then, thank you for your intervention!

brupala Posted messages 111947 Registration date Status Membre Last intervention 14 422

Hi,
I don't think that on a fiber connection the box has such visibility of the online speed, especially if the SFP+ is external.
At this level, fiber is a regression; only the fiber SFP/ONT sees something, and if it's not well managed, it won't relay any info to the box.
At the same time, on fiber, the speed is constant; only the count of bad frames and thus retransmissions can change the actual speed.

Goune88 Posted messages 10 Status Membre > brupala Posted messages 111947 Registration date Status Membre Last intervention

I conclude that I cannot really know the connection I have and therefore there may not necessarily be any issues with it.

Réponse 5 / 6

kaumune Posted messages 22589 Registration date Status Contributeur Last intervention 5 156

Hi

Windows 10 throttled from the start... the old tales that resurface...

As for TCP optimizer, you'd better back up your system before using it... knowing that, at best, it won't change a thing about your issue.

pc28

Hello

If you believe that this is not real, I'm sorry, but it's true. Since W7, I've been using TCP and have had no issues, and my downloads are ultra fast. But the auto-tuning of Windows is indeed the problem. Everyone has their own beliefs, and it's mentioned on all troubleshooting sites, even on Microsoft. So there you go, have a nice day!

P.S. Everything is described on the page I provided and on other sites as well.

brupala Posted messages 111947 Registration date Status Membre Last intervention 14 422 > pc28

Well,
it can work on old Windows, but it's only 1 or 2%, it doesn't double the speeds; otherwise, they wouldn't be so clever at Microsoft.
Also,
before, when we had somewhat poor ADSL connections with quite a few transmission errors, we had to optimize TCP differently (smaller windows) with smaller buffers to retransmit as little as possible in case of error, on very high-speed fiber, you need to increase the size of the buffers and the window.
Moreover, it only matters on the sender's side, meaning the server that sends the stream, which you don't control in the case of a download; only on the upload can you really tweak things on your end.
Not to mention that there might be caches in between, in the case of a CDN or a proxy, they will replace your settings with theirs.
A little reading to get started
Don't forget that more and more transfers are done in QUIC, so in multiple connections; by the way, a speed test uses several TCP connections in parallel to load the line to the max even if a packet is lost and we are waiting for its acknowledgment.
If you have the level,
you can tackle this discussion, you'll see that a gadget like you propose is far from sufficient.

Orange (Sosh) fiber is terrible

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