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Topic Started: Nov 28 2013, 03:35 PM (334 Views)
Incog
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CHEERIO!

This is not a gs fanclub thread unfortunately, however I will make it one if you can help me out here bro.


Remember how I was trying to figure out why the internet back home wasn't working? Well I'm getting more sick and tired of that shit every time I think of it. I really want to solve this fucking problem once and for all. I believe you set up these kind of networks professionally so ... I wanna hear your expert opinion.


SO!

As you know, the ethernet of my house doesn't work for every computer in the house. Put simply, if I take my desktop and connect to the the router downstairs via cables running through our house's walls, I get a perfectly normal internet connection. I can do this in any room on the house.

Now, if I attempt to do the same thing with any of our laptops, or my dad's new HTPC, it doesn't work. If these computers are plugged directly into the router without going through the calbes in the wall, they all function perfectly well. If they're in any other room, say my bedroom, these computers won't work.

So in summary, my PC (and my old PC that I'd been using for years btw) is able to connect via ethernet cables running through the walls in any room. That's 2 PCs that work.

All the other PCs do not function if using wall plugs, yet all of them work perfectly fine if plugged into the router directly. There is one exception, my laptop works in my sister's room, which is physically close to the room where the router is located...

The way the computer "doesn't work" is the following. When the computer is plugged into the wall socked (which leads to the router), you see lights slowly flashing on the corresponding plug on the back of the router. The computer itself either doesn't detect a signal or it's "limited connectivity".

The question is why? I have tried many, many things, including but not limited to:
-Reinstalling every network drivers on the computers that don't work.
-Using different ethernet cables, both between the computer and wall plug, and the router and wall plug (the router is right next to a sort of panel with all the ethernet connections of every room).
-Tweaking with network configurations (adapter settings > properties > configure > advanced).
-Buying a USB/ethernet adapter and trying to see if that works (it didn't, we returned the cable np).
-Trying to manually set up network with static IPs and whatnot.

I believe this is a DHCP problem, however I can't fathom how to fix it.

Two solutions I haven't tried yet (because it costs money) are:
-Getting a network card and seeing if that works. Would only work for the HTPC though and not the laptops.
-Looking into getting a "stronger" router. Not sure how that would play out though.
-Getting something to "amplifiy" the signal. Not sure how that would play out either.

There HAS to be a solution and I KNOW the cabling in the walls is fine since we have 2 PCs which work in 2 different rooms, I haven't tested to be 100% sure but I'm 99% sure that they work in every room.


Also something I noticed is that both the PCs that work have quad core CPUs which both have good reputations, i5 4670 and Q6600, whereas I think every other computer has only dual core CPUs. One laptop has a Pentium (think it's Haswell), the HTPC has a A4-5600k and my laptop has an Intel Core 2 duo. Don't think it matters but maybe it is worth pointing out that both PCs that work have nice beefy processors.









Sorry for wall of text
Black tulip

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Ichigo1uk
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Huh?
So it's when you plug the laptop or the HTPC into the Ethernet cables that run round your house into your rooms, but not when you use a separate Ethernet cable and connect it into the router?

It's not a WiFi Problem, because your not using that, Correct?

How are the Ethernet cables that run round your house through the walls connected to the router, or are they even connected to the router?
Incog
Jan 19 2012, 05:34 PM
I think unicorns have a higher chance of existing than gods do. I mean, if a mare fell into the ocean and a narwhal raped it, then the mare might just give birth to a unicorn.
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gs
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do you have access to the router? if so get on skype, if not i can't help you
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Incog
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CHEERIO!

what would you have looked for though? i played around quite a lot with the router so i can probably remember what i tried and what i didn't.
Black tulip

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Incog
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CHEERIO!

Ichigo1uk
Nov 28 2013, 05:43 PM
So it's when you plug the laptop or the HTPC into the Ethernet cables that run round your house into your rooms, but not when you use a separate Ethernet cable and connect it into the router?

It's not a WiFi Problem, because your not using that, Correct?

How are the Ethernet cables that run round your house through the walls connected to the router, or are they even connected to the router?
no it's not that at all.

it's like this:

router > cable > panel with plugs for every room > cable in house's wall > plug > cable > computer

it's not wifi problem since this is all ethernet, wifi works fine


when my computer is at the end of the chain i just posted, everything works fine. my old desktop also works. anything else, those being laptops or HTPC, does not.
Black tulip

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gs
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Incog
Nov 28 2013, 05:56 PM
what would you have looked for though? i played around quite a lot with the router so i can probably remember what i tried and what i didn't.
the DHCP server config and security rules

try and fire up wireshark on one of the PCs that don't work
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Incog
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CHEERIO!

hmm i guess i'll indeed have to wait to be home and be on skype with you to fix this

will bump thread when back home, which won't be a bit

Black tulip

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Incog
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CHEERIO!

what does wireshark do though? record/analyse network shit?
Black tulip

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gs
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it shows every packet to and from your network interface
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Incog
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CHEERIO!

hmm ok

would packets get through even with "limited connectivity"? is that what you're looking for?
Black tulip

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Ichigo1uk
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Huh?
If it says limited connectivity they are getting through but at a glacial pace.
Incog
Jan 19 2012, 05:34 PM
I think unicorns have a higher chance of existing than gods do. I mean, if a mare fell into the ocean and a narwhal raped it, then the mare might just give birth to a unicorn.
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darkbelg
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Have you tried using ping and tracert with cmd ?
<----------------------------------------------------------------------------------------look at my lemons apple apl.de.ap
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gs
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Incog
Nov 29 2013, 06:12 AM
hmm ok

would packets get through even with "limited connectivity"? is that what you're looking for?
they would yeah

as long as the cable isnt dead things will be happening
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darkbelg
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gs
Nov 29 2013, 03:30 PM
Incog
Nov 29 2013, 06:12 AM
hmm ok

would packets get through even with "limited connectivity"? is that what you're looking for?
they would yeah

as long as the cable isnt dead things will be happening
you can find that out by using ping.
<----------------------------------------------------------------------------------------look at my lemons apple apl.de.ap
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Incog
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CHEERIO!

gs
Nov 29 2013, 03:30 PM
Incog
Nov 29 2013, 06:12 AM
hmm ok

would packets get through even with "limited connectivity"? is that what you're looking for?
they would yeah

as long as the cable isnt dead things will be happening
That goes along with what ichi says, things are happening just really damn slow.

Which I believe is the case, I'm 100% sure the cables are fine, the house (and the cables) is like 1.5 years old. Also when I plug my computer in my parent's room for example, everything works. When it's the HTPC, it doesn't work, however you do get blinking lights in the router downstairs which is different than if the router had nothing plugged at all.

It's the PCs that are fucking up, through pure logic, but I don't understand why.
Black tulip

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darkbelg
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use the goddamn ping command and find out your packet loss.
<----------------------------------------------------------------------------------------look at my lemons apple apl.de.ap
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Incog
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CHEERIO!

100% loss if memory serves
Black tulip

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gs
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Incog
Nov 30 2013, 08:09 AM
gs
Nov 29 2013, 03:30 PM
Incog
Nov 29 2013, 06:12 AM
hmm ok

would packets get through even with "limited connectivity"? is that what you're looking for?
they would yeah

as long as the cable isnt dead things will be happening
That goes along with what ichi says, things are happening just really damn slow.

Which I believe is the case, I'm 100% sure the cables are fine, the house (and the cables) is like 1.5 years old. Also when I plug my computer in my parent's room for example, everything works. When it's the HTPC, it doesn't work, however you do get blinking lights in the router downstairs which is different than if the router had nothing plugged at all.

It's the PCs that are fucking up, through pure logic, but I don't understand why.
like i said i can't help you like this

ways i can help you:
- teamviewer into router
- you fire up wireshark and send me the pcap file
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Incog
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CHEERIO!

well do when i get home np
Black tulip

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Ichigo1uk
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Huh?
Posted Image

Posted Image
Incog
Jan 19 2012, 05:34 PM
I think unicorns have a higher chance of existing than gods do. I mean, if a mare fell into the ocean and a narwhal raped it, then the mare might just give birth to a unicorn.
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Ichigo1uk
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Huh?
Update: Darude does appear

Posted Image
Incog
Jan 19 2012, 05:34 PM
I think unicorns have a higher chance of existing than gods do. I mean, if a mare fell into the ocean and a narwhal raped it, then the mare might just give birth to a unicorn.
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Ichigo1uk
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Huh?
Posted Image

The song he plays.. Sandstorm.

Well played DH.
Incog
Jan 19 2012, 05:34 PM
I think unicorns have a higher chance of existing than gods do. I mean, if a mare fell into the ocean and a narwhal raped it, then the mare might just give birth to a unicorn.
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Ichigo1uk
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Huh?
Posted Image

What song?

http://sc2hl.com/highlight/1119
Edited by Ichigo1uk, Dec 1 2013, 09:28 AM.
Incog
Jan 19 2012, 05:34 PM
I think unicorns have a higher chance of existing than gods do. I mean, if a mare fell into the ocean and a narwhal raped it, then the mare might just give birth to a unicorn.
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