multiple ethernet lines

tom1ie

hi all
i have run 2 new ethernet (cat 6) connections to 2 different bedrooms upstairs.
i speed tested them and i am only getting 58 mb approx, on each line.
i have 2 other connections downstairs.
i am with virgin media with the virgin media hub (white box).
I am supposedly on a 300mb line.
if i have 4 ethernets coming out of the back of the box does this mean each line should be 300/4 =75mb(in a best case scenario)
or should each line be clocking in at somewhere near 300mb?
i have turned off the hub and plugged it out, done the whole: ip config flushdns, but this seems to be the max speed i can get.
thanks for the help.

kowloon

They 're not split up like that, if there's only one device running and looking for lots of bandwidth it'll get the hub's full attention.

mk7r

When you plug directly into the box downstairs with your laptop and unplug all other connections what speed do you get? Then plug in only one of the new wires you ran and plug laptop directly into that and see what the speed is with that as the only connection to the virgin hub.
If the new wires you ran are different to the shorter cable then you need to ask yourself:

Did you use proper shielded cat6 with drain wire and shielded rj45 plugs? Running the cat6 close to electrical wires or lights etc can cause interference in unshielded cat6 (and cat5 etc) but it best to check the actual speeds you are getting first as a baseline.

If they are the same and the speed drops when all other connections are re plugged in then you have something using your bandwidth.

Static M.e.

Did you crimp the cables yourself? If so, it could be a dodgy connection on one of the lines. It is worthwhile testing the cables to make sure they are capable of running at the max speeds (100\1000). If you don't have one, you can buy them cheap enough or borrow one from someone in work. To be clear, I am talking about testing the speed of the cables rather then the speeds of your internet connection

CoBo55

My setup is similar to yours but I only have one cable coming from the router to an unmanaged gigabit switch, I get full speed from all ports on the switch. My cable to the switch is homemade cat 5e. I'm on the 360 package. I do have the cat5e cable tester which certainly helps.

smuggler.ie

Device used for testing might only be rated only for 100BASE - "Fast Ethernet"(100Mbps theoretical) - in real life 75Mbps would be what you expect

ED E

Is the PC upstairs a Dell?

tom1ie

Sorry for the delay in getting back.

Test 1:
So I connected my Lenovo think pad to the router Ethernet port 1 using a pre made Ethernet cat 6 lead.
I disconnected all the other Ethernet leads.
The thinkpad doesn’t have an Ethernet port so I connected via a usb3.0 Ethernet adapter.
I tested the speed on speed test.net and I’m getting 50.86 down and 24.63 upload.
I done the same using my dell latitude 3301 laptop (work laptop) again no Ethernet port so it’s connected via a dell DA300 usb c adapter.
78.15 down and 24.72 upload.

Test2:
I plugged all Ethernet leads back in and went upstairs to one of the new leads that I had run.
Lenovo: 63.45 down 24.71 up
Dell: 245.26 down 24.81 up.
Checked this a second time as I’ve never got that speed before and I got:
245.91 down 24.73 up.

Issue seems to be fixed for the moment.
To answer some other posters:
Laptop is a dell latitude 3301.
I bought the new cat 6 leads pre made from rs and I’ll put up a link.

https://ie.rs-online.com/mobile/p/cat6-cable/7917071/

tom1ie

kowloon wrote: »

They 're not split up like that, if there's only one device running and looking for lots of bandwidth it'll get the hub's full attention.

Thanks.
So if I am on a Skype call via Ethernet, the wife is on a call via Ethernet and the kids are watching Netflix via Ethernet will the bandwidth divide up equally or will the router just give what each connection is looking for up to its net max of 300mb?
Also does the numbering of the ports on the router come into play here? As in does Ethernet 1 take preference over Ethernet 2, 3, 4? And like wise 2 to 3, 4 etc.
Thanks for the help.

ED E

Packets are queued, not devices, not cables.

If your computer is doing nothing it could still be sending a few hundred packets a minute, the router will just service them as best it can. If you've a 300Mb link this should never be something you notice. Itll all work.