VDSL - Latency to nearby Router is Insane

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SimplyNooby

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#143610 20-Apr-2014 22:12

Hi there, and apologies in advance if this is in the wrong forum.

I'll get right to the point. A few months, if not 1 year ago I signed up for the Telecom VDSL Internet package. As such, I was forced to use the supplied Router, the TG589vn v2. The first week was hell, but things sorted themselves out after that and I had perfect internet for months on end.

I recently upgraded my computer and reconnected to the Router. A week in I'm getting excessive latency spikes to the TG589vn v2 Router. I'll provide a copy paste of those pings below. My issue is, I had no issues on my older computer, and now this issue is effecting everyone in the house, even laptops which are less than 5 meters away from the Router.

Just to make things clear, I got a replacement modem and plugged that in. It didn't solve anything. There is a cordless phone near the Router, but it never caused issues with previous Routers, or during the months that I actually had good internet. I've tested an ethernet connection and that has shown that the pings don't spike at all, though I checked last week.

Pinging 192.168.1.254 with 32 bytes of data:
Reply from 192.168.1.254: bytes=32 time=1228ms TTL=64
Reply from 192.168.1.254: bytes=32 time=1228ms TTL=64
Reply from 192.168.1.254: bytes=32 time=1840ms TTL=64
Reply from 192.168.1.254: bytes=32 time=1230ms TTL=64
Reply from 192.168.1.254: bytes=32 time=1227ms TTL=64
Reply from 192.168.1.254: bytes=32 time=1228ms TTL=64
Reply from 192.168.1.254: bytes=32 time=1227ms TTL=64
Reply from 192.168.1.254: bytes=32 time=1842ms TTL=64
Reply from 192.168.1.254: bytes=32 time=321ms TTL=64
Reply from 192.168.1.254: bytes=32 time=535ms TTL=64
Request timed out.

I'm stumped. It makes no sense that this would happen. Any help would be greatly appreciated.

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371 posts

Ultimate Geek

#1028393 20-Apr-2014 22:31

" I've tested an ethernet connection and that has shown that the pings don't spike at all, though I checked last week."

Well theres your problem. Sounds like a Wifi Problem

SimplyNooby

12 posts

Geek

#1028394 20-Apr-2014 22:35

A problem exclusively with Wifi, though? I'll do some additional checks with an Ethernet connection to make sure my findings were accurate. Its been a week and I've replaced the Router so I'll post my updated findings or pings here tomorrow.

Also, is there anything that can be done if it is a Wifi exclusive issue? I should probably know the answer to this myself but I'm stressing.

coffeebaron

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#1028395 20-Apr-2014 22:41

What model is your replacement router?

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Chrizvi

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#1028418 20-Apr-2014 23:44

Curious as well, what computer did you get? Mac?

Whats your upstream speed?

richms

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#1028446 21-Apr-2014 02:42

SimplyNooby: A problem exclusively with Wifi, though? I'll do some additional checks with an Ethernet connection to make sure my findings were accurate. Its been a week and I've replaced the Router so I'll post my updated findings or pings here tomorrow.

Also, is there anything that can be done if it is a Wifi exclusive issue? I should probably know the answer to this myself but I'm stressing.

Yes, firstly, is to not use wifi if there is too much interference for it to work properly.

try changing the router to different channels, if it is set to 20/40 MHz channel width change it to 20MHz only, this will halve the thruput but make it less likely to be trampled on by another signal.

Set your networks to disable 802.11g/b modes, these are pointless to have enabled if you dont have anything prehistoric and give it more things that will cause it to back off transmission. Some routers call it "greenfield" or similar names. Whatever its called, 802.11g and b is never going to be any use to you. Changing to G or B only modes is often recommended as troubleshooting, and it can sometimes make your network coexist with a nearby crappy old network better.

Relocate your router away from external walls, so any interference from outside your house will be weaker.

Remove the cordless phone from the equation by turning it _AND THE HANDSET_ off. Uniden 2.4GHz ones are the worst at taking a dump all over wifi. If you have one do the whole neighbourhood a favour by destroying it.

If all that fails, invest in some decent dual band wireless accesspoints thruout the house if your gear is dual band.

Richard rich.ms

SimplyNooby

12 posts

Geek

#1028450 21-Apr-2014 07:08

Replacement router is just another TG589vn v2. I do have a Uniden phone and handset, so that's probably the culprit. Would it be possible to setup a bridging network with an ADSL2+ Dual Band Router I have? I've yet to test the ethernet connection again, but I'll get to that soon after posting this.

EDIT: Its not a Mac, just a $1500 Gaming PC.

surfisup1000

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#1028452 21-Apr-2014 07:49

I recommend that people buy a decent quality router. While they cost a bit more and takes a bit of research it is worth not having the hassles.

That telecom one, not good.

Example of a good router that I've owned :: linksys EA4200. But, then I bought the linksys EA6900 thinking it would be similar quality but it is not that great.

But, maybe it is also worth getting a wifi friendly cordless phone (1.8ghz i think).

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coffeebaron

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#1028457 21-Apr-2014 08:17

Did you upgrade to Windows 8.1?
8.1 + Technicolor on VDSL = fail.

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Jase2985

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#1028462 21-Apr-2014 08:36

i love how everyone says the TG589vn v2 is crap, its not, its just the environment you are trying to implement it in, you wont get the best results.

if you live in a congested area you will need to get a router that is better suited to dealing with interference.

from the sounds of the first post you don't have much of a clue as to how WiFi works, the different setting available to you nor that wifi is a best effort kinda of service, in today's busy and congested 2.4ghz spectrum sometimes its very difficult to get good or even any WiFi at all

solution, use a cable

also download InSSIDER and post up a picture of networks and 2.4ghz page, as this will show us how many other WiFi networks are out there. Just remember it doesn't show other devices like portable phones, microwaves or remotes etc.

SimplyNooby

12 posts

Geek

#1028498 21-Apr-2014 09:53

I didn't upgrade to Windows 8.1, as much as I consider Windows 8/8.1 a downgrade from Windows 7. I understand Wireless technologies just fine, Jase. I've already considered the possibility of it being interference, and its the most likely issue which could be resolved with cable. I know that. Thing is, I shouldn't HAVE to use a wired connection. The way I see it, Technicolor is a rebranded Tompson, who were well known by kiwi's for the worst possible routing solutions around. This, mixed with heavy interference from a nearby Uniden cordless phone, is causing the latency spikes.

I'll download "InSSIDER" and get back to you.

Finally got around to testing the ethernet connection. Pings were between <1ms and 4ms to the Router (over 300 pings).

sbiddle

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#1028501 21-Apr-2014 10:00

Wireless is a complimentary solution to Ethernet, it is not a replacement. In many metropolitan areas 2.4Ghz WiFi is now on the verge of being unusable.

SimplyNooby

12 posts

Geek

#1028534 21-Apr-2014 11:50

Well, it doesn't like the size of the image, but that was the best I could do using imgur. I've got another screenshot of the Channels tab incase you need to look at that too.

At this going rate, I'm just going to end up buying an ethernet cable, or making one myself.

richms

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#1028544 21-Apr-2014 11:56

Tools like that are pretty useless as they only show the signal level of other networks. Nothing about the noise floor or a spectrum of what is in the band.

Wifi coexists well with other wifi. It's made to back off and wait it's turn. Video senders and cordless phones are not as considerate. With that few networks around someone may successfully be using a wireless video sender to move their sky output between rooms.

I would try channel 11 and see how it goes.

Richard rich.ms

SimplyNooby

12 posts

Geek

#1028574 21-Apr-2014 13:15

Switched to Channel 11 and ping spikes still occur, albeit less often.

Reply from 192.168.1.254: bytes=32 time=814ms TTL=64

After that it was fine for another 20-30 pings then it hit 102ms.

Reply from 192.168.1.254: bytes=32 time=102ms TTL=64

In all honesty, what with the 2.4Ghz frequency being past its expiry date, I don't know how Telecom manages to give these things away. Seems like they're investing in crap.

richms

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#1028580 21-Apr-2014 13:35

They give away the bare minimum to get connected. If you want premium stuff go and buy it.

Dual band "range extenders" which are really just accesspoints that have been thru a marketing department are cheap as now.

Richard rich.ms

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