Changing from Auto-Negotiation to 100Mbps Full Duplex mode

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saurabh015

Honorable
Nov 12, 2012
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10,510
I have recently bought a router (TP-Link WR740N) which auto-negotiates with the switch in my building. (I think) I get 10Mbps Half Duplex speed with the auto-negotiation which results in all my downloads limiting to just 5Mbps maximum speed.
If I connect the line directly to my PC, I can set 100 Mbps Full Duplex mode and get my downloads done at that speed..

Can anyone tell me how can I force my router to connect to the switch at 100Mbps Full Duplex mode?
 
Solution
Someone Somewhere
Actually, 8-9MB/s is pretty close to 100Mb/s. Probably at least ~80Mb/s, given overhead.

Is there any physical damage to the port on the router? Are you connecting via ethernet or WiFi?

I would expect it to be the cable, though. Some, especially self-terminated cables, can be extremely twitchy and work at some angles but not others. And dropping to slower speeds is a classical sign of a partial fault.
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Someone Somewhere

Someone Somewhere

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Sep 23, 2012
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Generally, anything less than the maximum rate at the slower endpoint indicates there's something wrong with the cable.

Are you actually seeing a different download speed when you connect it direct? What speeds are you seeing each way? Few places have 100Mb/s internet.

Your router may have an option to set it, but generally forcing it to a higher speed just leads to it failing to connect or getting absurd numbers of dropped packets.
 
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saurabh015

Honorable
Nov 12, 2012
15
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10,510
Actually I don't have 100Mbps connection.. The issue is when my friend connected to same switch transfers files to me or if I download from sites which are cached by my ISP.
I get around 8-9MB/s if directly connected to PC while just 650-700KB/s if I connect via router..
And there's no way to change the setting on router, I just asked TP-Link's technical support..
 
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Someone Somewhere

Someone Somewhere

Titan
Sep 23, 2012
22,291
8
84,965
Actually, 8-9MB/s is pretty close to 100Mb/s. Probably at least ~80Mb/s, given overhead.

Is there any physical damage to the port on the router? Are you connecting via ethernet or WiFi?

I would expect it to be the cable, though. Some, especially self-terminated cables, can be extremely twitchy and work at some angles but not others. And dropping to slower speeds is a classical sign of a partial fault.
 
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Solution
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saurabh015

Honorable
Nov 12, 2012
15
0
10,510
Connecting via cable..
I checked it again via connecting it directly to PC, shows connected at 100Mbps Full Duplex.. I get only 650-700KB/s transfer rate while transferring files from my friend.. Seems issue with the switch.. And, I can't do anything to it..
 
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