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Also in information to network it shows speed 100Mb/s. That is 12MB. I can copy almost to 10MB
I changed the cable and I connect the PC to the 1Gigabit Switch with factory cord Cat6. Nothing change. It shows 100Mps again.
When I put ethtool eth0 in terminal, nothing appears.
I dissconect all other cables from the switch and I try only to connect my PC connected to the Switch and the connection appears 100Mps again. Something that I can try?
You are going to be gated by the slowest devices on your LAN. So if you have other systems on the LAN that are 10MB then you are gated by those devices. You could split the LAN so the devices are matched on that sub. Still you will be limited by the bandwidth of your provider.
I try this command and internet disconected and now I have not internet. I tried the same command changing 1000 with 100 or 10 but the same thing. Now I have not internet. Please provide me a command to fix this problem. What aobut the above command what I got is:
Settings for eth0:
Supported ports: [ MII ]
Supported link modes: 10baseT/Half 10baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Supports Wake-on: g
Link detected: yes
I did get gigabit ethernet even with cat 5e cable, maybe it wasn't exactly 1000 Mbps, but close enough.
Router - Well, when I tried to connect the PC with the switch, I disconnected all cables. Included the cable between the switch and the router. I connected only the PC and the router. So, i discard the problem is the router.
Cables - I tryed with 3 different cables Cat 5e and new Cat 6 cable. So, I discard are the cables.
Switch - is new, TP-LINK, but meybe is not good quality. I will try to look another switch.
Drivers - I tried with Debian and Windows 7. if drivers are not good, that menas both OS doesnot install proper lan driver. Meybe the next step is install a PCIe LAN 1Gigabit card to some PCIe and try again.
Well, please tell me your opinion. I see you have expirians and can advice me more things.
It seems that that those are the last things to check: Drivers, Switch, Gigabit ethernet card. I can't think of anything else that would cause it to fail. Maybe the card or switch are bad, if you have spares, use them to test.
I gave got it. Now I have 1Gbps conextion.
I just add new PCIe LAN card 1Gps to my computer and now it appears 1Gps in Windows 7 and Debian. Speed jump from 8MB to 20MB when copy files, and I think that´s because of the PCIe, because it works of 250Mb per second. I read in WIKI about PCIe speed but I am not sure if it is 250Mb (Megabit) or 250MB (megabyte). Because if it is Mb, so I am limited to 30MB by the motherboard. What do you think H_TeXMeX_H?
Speed testing using iperf is a credible method.
Because iperf can be used to modify even the operating system window size while testing the speed. Window size plays a major role in throughput.
Also you can determine the jitter, and data grams dropped using iperf. It works on a client server model.
I recommend going thorough Network Speed test using iperf