Problems with lag when connecting switch

[+BudMan MVC]

Yeah his isp is only 10.. so a 10/100 switch is fine..

 

But here is the thing.. adding a switch doesn't do what he is saying unless the switch is bad.. spewing out crap on the wire.. Which it could be.. So he changes the switch.. Again nothing else plugged into this switch.. The rest of your network is OFF??  Its just the switch connected to his router/modem.. And bad..  Disconnect and good..  Put in different switch and bad again..

 

So either he has 2 bad switches, or bad cable sure.. Or bad modem..

 

I didn't look at the wires before I was just after the make and model numbers.. Yeah those cables are complete and utter crap!!!

 

You have to be kidding me!!!  No offense dude but that is CRAP!!! Get on amazon or something and order yourself some new cables.  I would get a new decent gig switch as well and have your isp give you a new modem/router as well..

 

How long are you cables.. Standard length cables your talking a couple of bucks for a decent cable.. Even long cables can be had really cheap these days.. There is no reason to use such crap...

[T3X4S]

and here is where I play Captain Obvious and spout some asinine comment about "it never pays to go cheap", or something something something

[+BudMan MVC]

Agreed, I was not using the word cheap in the context of poorly made.. I was using it in the context of how inexpensive even cat 6 cables are these days

 

That cable looks like someones first attempt and doing their own cables, while drunk   With caps they got out of the garbage bin..

[viniciusxis]

Well the funny thing is that the "cheap crap" is the one connected to my PC, that has no problems whatsoever when I'm connected alone to the modem.

The best looking one is the yellow one, which is the one causing troubles (switch -> modem).

This modem is brand new, I have this lag problem for ages now and they changed modems a couple times now, it never resolves.

I have tried with all different cable options possible, it didn't work.

I will try to get a third switch, but like I said, the crappy one (1008D) worked fine where I borrowed it.

[+BudMan MVC]

A dumb switch that is not broken puts no packets on the wire.. I could have no effect on traffic on any of your other ports or internet.

 

So either you have something going on with the autoneg of your ports on your modem and switch to what speed and duplex they should run which is causing havoc.. This could be port on modem, cable or switch causing an issue.  Or it could just be incompatible between your modem brand and your switch brand.

 

Or you have some other device be it wired or wireless using up your bandwidth causing you latency because your pipe is just freaking full, and you have chased a red herring to think its your switch..

 

For gig to negotiate you need to have good cables.. But your modem is only 10/100 as well.  You could also have just a compatibility issue with ports on your modem/router trying to work out speed of 10/100 and what duplex with your 1008D etc..  If your modem is brand new.. Then get a brand new switch or atleast a newer switch and good cable!  Not that crap your pc is using.. And plug the switch in to your modem does it cause you latency issue?  Since your modem/router that td-w9970 only has 10/100 ports there is little reason to connect a gig switch to it to be honest.  Unless you have gig devices connected to that switch and will be talking gig to each other..

 

BTW I wouldn't call that tp-link wd9970 by any means new.. its a V1.. not a V2... What firmware are you running on it.. Have you updated it to the current which I show came out Nov 2016.. TD-W9970(EU)_V1_161111, oh but looks like you have UN model.. so that firmware came out in Aug 2015.. Yeah brand new   TD-W9970_V1_150831