Network running slow

MikePholme

MikePholme

MikePholme

Associate
Joined
2 May 2024
Posts
14
Location
UK
I'm seeking a little help if possible. I've run an outdoor Cat7 cable between two rooms from downstairs to upstairs. I've terminated each end with a wall socket and I get 8 green lights on my tester. If I run an internet speed test I get about 80Mbps. However if I run a direct cable up the stairs between the same gigabit switch and my PC, I get the correct speed of about 930Mbps. I've tried replacing the outdoor cable and re- making the terminations. Every time I get 8 green lights and every time the speed is slow. I've swapped out the patch cables from the switch to the wall and from the wall to the PC upstairs.
Each time I get about 80Mbps and then if I run a fable direct, missing out the two sockets and the outdoor cable, I get 930Mbps. I'm waiting for two new sockets to arrive. Is there anything else I can try?
Thanks in advance for any assistance.
 
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Here are my two
terminations. I also replaced the Cat7 with Cat6. I've still got about 80Mbps via this cable or 900Mbps via a long direct patch up the stairs ( which isn't sustainable but show that the speed is there.
I'll gladly take any suggestions, this is driving me mad....
 
All points taken, thank you. I've just re-terminated everything, got 8 green lights and still only 90Mbps. I'll replace everything as per suggestions. Cheers,
 
If I take a long patch lead straight from the switch to the PC, a variety of internet speed tests give around 930Mbps. I've assumed that this rules out the switch. Yes my connection is a BT 900Mbps fttp.
 
Thank you again for all the suggestions. I'm going to keep investigating while I wait for new punch down tool, cable and sockets to arrive. I've swapped the switch out and eliminated that from the variables. I'm going to carry on re-making the terminations too. It's possible that my skills, which used to be fine on a 100mb network just aren't up to gigabit requirements.
 
I'm sorry. I haven't been noticing. I've only noticed the speeds as shown in browser based speed tests. I'll note when I'm able to get back on it after the bank holiday. I'd only registered that via a long patch lead it was c. 900Gbps and via my link cable that dropped to c.85Gbps.
 
Thank you all for bearing with me.... New cable (Excel) arrived and installed using the old Euromods as the new ones from CableMonkey haven't arrived yet. I'm getting 8 green lights and 94Mbps. I checked the speeds in Windows and with the long patch lead I get 1000/1000 but with the link cable swapped into the same port on the hub I get 100/100. Does this rule out everything except the mods and my terminating?
EDIT: I've just reterminated everything again and got a full 1000/1000. The finger of guilt points at my terminating abilities.
 
Last edited:
Armageus said:
Have you replaced the patch leads at each end? (Or at least tested them with your tester?)
Click to expand...
Yes tested and swapped out. Having got 1000/1000 and screwed it back on the wall, its dropped back to 100/100 so I'm pretty sure I just have to do better at the terminating and with luck the new euromods and new punchdown tool will help when they arrive.
 
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A Thank you. Thanks to all who contributed so generously. We're finally up and running here with the Excel Cat6 cable and the Euromods from Cable Monkey. A final piece was two interconnects between socket and PC that gave only 100/100 and a third swap that gave 1000/1000. A few lessons learned here.
 
Both the long patch leads worked perfectly when routed straight from the switch to the PC. They only dropped to 100/100 when routed from the new extension to the PC. A cumulative effect?
 
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