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GS305 Switch capping at 100mbps
I recently bought a little, un-managed switch for a simple use case.
There is a first cable (CAT6, like all the others cable I will speak about) going from my Internet Router into the 5th port of the switch.
Then, there are 2 others cable, in port 1 & 2, going from the switch to 2 different mural RJ-45 plugs, on two different rooms of my house.
Once installed, I used the first mural-plug with my computer, connecting it with another CAT6 cable, and I benchmarked a speed of ~950mbps/s.
But then I connected the second RJ-45 plug to a PS4, and the bandwidth was really slow ~70mbps. Once noticed I ran another test on my computer, previously getting 950mbps, and the speed dropped to 95mbps !
I can understand that having 2 devices connected to the switch will slow the bandwidth, but we are speaking about a tenth of the original speed !
Even worse, unplugging the PS4, rebooting the switch etc... won't make the original +900mbps speed coming back.
The LEDs are all green.
Climp them off and recrimp on new ones. all it takes is one pin to be bad/sketchy to cause issues.
Its not usually the cable that's bad.
16 Replies
i would be checking the cable supplying the switch. Many times a sketchy cable will drop speeds from gigabit to 10/100mbps.
So start with replacing the ethernet cables.
Thanks for you answer.
The cable are ran through wall, so it's not that easy to replace. The switch is almost sealed in an eletric box, not easy to access too. I sincerely doubt the problem being the cable, if it was, the main cable, from the router, would be the bottleneck, but it has been working for like 10 days, and as I said, it is "sealed" into the wall.
lucas_m wrote:
Thanks for you answer.
The cable are ran through wall, so it's not that easy to replace.----many times its not about replacement. Most of the time I've found a bad connector/pin on them. It only takes 1 pin to be bad/not connected properly to cause one of the pairs not to link and drop it to a 10/100mbps connection and not gigabit. The switch is almost sealed in an eletric box, not easy to access too---might not be easy access but to test the cable or switch being the problem, you might need to remove it and move it next to the router. Use known good 6 ft cables to test it. . I sincerely doubt the problem being the cable, if it was, the main cable, from the router, would be the bottleneck, but it has been working for like 10 days, and as I said, it is "sealed" into the wall. ---so how do you propose testing it? You can either pull it out of the wall and put it next to the router and test with known good cables. Or you can buy a new one (which would mean taking the old one out anyway) and testing a new one. support isn't going to replace it without you doing *some* testing.
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