Weird 10mbps cap over cat6

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pedrodbmatias

Feb 23, 2018
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So i was using a cat5 (20meters) and i was getting only 10mbps, forced 100 or 1gbps but would fail to identify or connect, tested another network adapter, drivers everything and nothing.
So i took my pc near the router and used the cable from iptv and connected instantly at 100mbps, so well it must be the cable, i went and bought a 20meters cat6, and guess what still forces and only connect at 10mbps...

So whats the issue? The cat6 goes up like 3meters, then in straight 3m and goes down by a tube to the router, the only thing going down the same tube is a turned off tv antenna cable which is disconnected at both ends, ans the cable that goes with the signal to the router from outside. No real electrical wires going there.

Also the intel network adapter in the diagnosis tab where it has the test cable thing also is detecting a 232meters cable
 
Solution
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If there is a problem with the cable it is almost always the ends not being connected correctly. That is partially why CCA cable has issues the different metals expand differently and the ends get loose over time. The cable you list should work perfectly it is pure copper and appears to meet the requirement for a certified cable.

I always test my cables before I run them....after getting burned one time and having to pull out and rerun a cable.

Not sure what to suggest. Cables are pretty inexpensive so maybe buy another cable and test that one. In some ways you hope that it is the cable even though you have to rerun it. If it is not then you are into the more expensive issue of a defective port on the computer. They make...
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bill001g

Titan
Aug 9, 2012
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Be careful that you bought a quality cable. Lot of fake cable on the market. You see CCA cable and cable that is flat or thin. Both are direct violations of the ethernet standard and don't work well. You want pure copper cable that has wires 22-24 awg. A cat5e cable can easily run 100 meters at 1gbit so you do not have a distance issue.

It is not likely interference from the path. You could test it with the cable coiled up on top of the router in the same room I suppose. If mulitple cable have problems you then start to suspect the physical jacks in the equipment. This is pretty much a hardware function handled by the chips there is not like some complex software drivers involved.
 
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pedrodbmatias

Feb 23, 2018
2
0
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This is the cable im using: http://www.televes.com/en/catalogo/producto/cable-uutp-cat-6-cu-pvc-305m
At the moment i don't have time to go up to the ceiling to pull the cable out of the wall tube to test it coiled, but it's so weird, unless the cable is really bad and don't have enough insulation or something and gets interference on the way.
 
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bill001g

Titan
Aug 9, 2012
28,318
2,754
125,640
If there is a problem with the cable it is almost always the ends not being connected correctly. That is partially why CCA cable has issues the different metals expand differently and the ends get loose over time. The cable you list should work perfectly it is pure copper and appears to meet the requirement for a certified cable.

I always test my cables before I run them....after getting burned one time and having to pull out and rerun a cable.

Not sure what to suggest. Cables are pretty inexpensive so maybe buy another cable and test that one. In some ways you hope that it is the cable even though you have to rerun it. If it is not then you are into the more expensive issue of a defective port on the computer. They make USB ethernet adapters and since it appears you do not need gigabit speeds you don't need the expensive USB3 ones. Check very carefully for dirt or bent pins maybe you get lucky.
 
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