okay i have a 100ft cat 6 ethernet cable. i have xfinity blast and i should be getting 200mbps down. so i used to get 100mbps on a cat 5e 100ft cable. so i called xfinity and they send a technician and he told me that my cable was probably case so i got a better router and a new cat 6 cable. in the network settings under the internet connection it said 100mbps connection and with the cat 6 it said 1gbps connection. at first i was getting around 220 mbps and i was happy but after a while it went down to 126 mbps. is there anytips from u guys to help me fix this issue or do i have to go by a new cable. btw the cable is 100ft and it goes through my house.
ethernet cable speeds low
- Thread starter Sameer25
- Start date
SkyNetRising
Titan
- Jan 4, 2016
- 29,864
- 3,853
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Ethernet cable either run at 1gbit/sec or 0gbits/sec. It transfers the data from your pc to a buffer in the router at the full speed. The numbers you see are average numbers over time not the rate the cable actually runs. If the cable was bad it would likely first drop to 100mbps but you would see transfer rates of about 90mps because of overhead.
It was much more likely your old router only had 100mbps ports and your cat5e cable was fine.
I would try to plug a pc into the route with a short cable and see if you can get the higher speed. It would be much more likely there is some issue with the internet connection or maybe (unlikely) the router.
It is hard to actually troubleshoot a bad cable for a home user. The meters that really test them cost hundreds of dollars. Most end equipment is lucky if it show you the speed almost none will show packet loss. You could ping the router ip with a continuous ping. If the cable were actually bad it does not run slower it takes packet loss so you should see a lot of ping packet loss.
It was much more likely your old router only had 100mbps ports and your cat5e cable was fine.
I would try to plug a pc into the route with a short cable and see if you can get the higher speed. It would be much more likely there is some issue with the internet connection or maybe (unlikely) the router.
It is hard to actually troubleshoot a bad cable for a home user. The meters that really test them cost hundreds of dollars. Most end equipment is lucky if it show you the speed almost none will show packet loss. You could ping the router ip with a continuous ping. If the cable were actually bad it does not run slower it takes packet loss so you should see a lot of ping packet loss.
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