on 07-10-2021 02:16
As the title suggests,
Last month we took a contract with the virgin 500mb internet, tried it for the first time today with a hardwired ethernet cable direct from router -> switch -> PC
And only appear to be getting 90mbs or so.
Any thoughts/ ideas? settings are all completely default.
thanks
Answered! Go to Answer
on 07-10-2021 08:45
Usually a faulty Ethernet cable that's causing the hub to drop back to 10/100 ethernet (had exactly this myself last week), or it could be the computer has a 10/100 network adaptor. Tends to be only old or cheap computers that still have 10/100 adaptors. If buying a new cable, they're cheap as chips online, and I'd say go for Cat 6a or higher.
on 07-10-2021 08:45
Usually a faulty Ethernet cable that's causing the hub to drop back to 10/100 ethernet (had exactly this myself last week), or it could be the computer has a 10/100 network adaptor. Tends to be only old or cheap computers that still have 10/100 adaptors. If buying a new cable, they're cheap as chips online, and I'd say go for Cat 6a or higher.
on 07-10-2021 11:50
on 07-10-2021 12:18
Yes, unless the cables that are used are Cat5 (cable type should be printed on the outer sheath)
on 07-10-2021 12:19
Cat5 is restricted to 100mb?
on 07-10-2021 12:31
Yes, Cat 5 will normally only accommodate 100 Mbps. Cat 5e will do up to 1 Gig, but it may be pushing your luck on longer runs, and bear in mind the possibility of noise and cable/connector ageing on built in cabling. The more switches and junctions in the network, the more chance the hub will decide to limit connection speed. And as per my own findings the other week, a cable that's nominally 5e or better ( which is almost any you;d encounter these days as basic Cat 5 was deprecated as a standard back in 2001) can still go bad, and then will sometimes flip between 1000 and 100 Mbps.
07-10-2021 13:35 - edited 07-10-2021 13:36
Looks like i'm in luck with the cables atleast. They do appear to say cat5e on them.
Though my other question thats arisen, is.... this is a 16port switch right? what are the two rack mounted things above it?
It looks like 12 of the blue cat5e cables are going from the switch into the rack mounted thing on top, and all the red cat5e are running from the middle mounted rack to the top mounted one. Then I assume out of the back of the top rack mounted ones are the grey cat5e cables that are feeing the ethernet wall sockets in each of the other rooms in my house. Images below.
on 07-10-2021 21:04
I'm sorry I can't offer any accurate answers. There's a few people round here who are familiar with rack mounted network gear, hopefully they'll be able to offer their advice.
on 07-10-2021 21:20
The top two panels are "patch panels" to which the ends of the house ethernet cables are terminated. Nothing to worry about.
But yes, you need to replace the 3 Com switch as suggested. As long as the switch is unmanaged, and suitable for rack mounting, you could use another manufacturer. Something like TP-Link 24-Port Unmanaged Gigabit Ethernet Switch, Steel Case, 19-inch Rack-Mount(TL-SG1024) - Amazo...
That's a fairly good installation, btw, I wish mine was a neat 🙂
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on 07-10-2021 22:01