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Author Topic: wifi problem  (Read 15474 times)

jamos316

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wifi problem
« on: March 11, 2014, 01:55:22 PM »

i am sick to the teeth of my wifi connection keep going off at random times. it sometimes just goes off for 30 secs & sometimes im forced to reset the router. i am constantly searching google for tips on what to change to solve this problem and none has worked so far.
below i will try to list all information that i think is relevant to the problem. the tips that i have collected from various sources on google are to disable QOS (this interferes with Utorrent apparently), disable DNS relay, disable firewall, disable UPNP & enable multicast streams.
today i have experienced the wifi going off whilst bittorrent is downloading. So there seems to be an issue with downloading and wifi.

I would really appreciate you taking the time to help me.

thanks
james

I have a fiber connection of 100 Mbps download speed & 100 Mbps upload speed
the speed that i am receiving (speedtest.net) through cable is 91.98Mbps download & 57.77Mbps upload. through wifi the speed is 24.41Mbps download & 25.76Mbps upload.
wireless dlink 655 n router
firmware 2.09 hardware version: b1

Wireless settings;
802.11 mode : n only
wireless channel : 11
transmission rate : best (automatic)
security mode : wpa-personal
wpa mode : auto (wpa or wpa 2)
cipher type : aes
group key update interval : 3600 (seconds)

Advanced Wireless;
beacon period : 100
rts threshold : 2346
fragmentation threshold : 2346
dtim interval : 1
wlan partition : unchecked
wmm enable : checked
short gi : checked
ht20/40 coexistence : disabled

QOS engine;
Wan traffic shaping : unchecked
QOS engine : unchecked

advanced network;
UpNp enabled
wan port speed : auto 10/100/1000Mbps
enable mulity cast streams : checked
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FurryNutz

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Re: wifi problem
« Reply #1 on: March 11, 2014, 02:00:42 PM »

Link>Welcome!

  • What region are you located?
  • Has a Factory Reset been performed?
  • Was a Factory Reset performed before and after any firmware updates then set up from scratch?
FW Update Process
  • Was the router working before any firmware updates?

Internet Service Provider and Modem Configurations
  • What ISP Service do you have? Cable or DSL?
  • What ISP Modem Mfr. and model # do you have?
  • Is ISP Modem/Service using Dynamic or Static WAN IP addressing?
  • What ISP Modem service link speeds UP and Down do you have?

Wireless Configurations
Links>Wireless Installation Considerations and Managing Signal Congestion and Good Neighbour Policy
  • What wireless devices do you have connected?
  • Any 2.4Ghz or 5Ghz cordless house phones or WiFi APs near by?
  • Any other WiFi routers in the area? Link> Use InSSIDer to find out. How many?
  • If you have any of these options, Try turning OFF or ON Short GI, WLAN Partition, Extra Wireless Protection and HT 20/40 Co-existence if you have it. Also testing with HT20/40Mhz Co-existence enabled will impact results as well. I prefer to use this option OFF. Recommended settings are default. Under Advanced/Advanced Wireless.
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jamos316

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Re: wifi problem
« Reply #2 on: March 12, 2014, 07:22:27 AM »

I am in Sweden
I have done a factory reset many times before & after the upgrade
The issue has been the same

The broadband connection is DSL (I think). I have a media box in my apartment that I connect to. I have a fiber connection of 100 Mbps download speed & 100 Mbps upload speed
the speed that i am receiving (speedtest.net) through cable is 91.98Mbps download & 57.77Mbps upload. through wifi the speed is 24.41Mbps download & 25.76Mbps upload.
Dynamic

1 Ipad, 2 smartphones, 2 laptops are connected via wifi
we don't have a cordless house phone & not sure about our neighbours
11 wifi connections found
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FurryNutz

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Re: wifi problem
« Reply #3 on: March 12, 2014, 07:33:08 AM »

If you have 11 other WiFi neighbors near by, this maybe the cause of the problem...Managing Signal Congestion

You need to find a open channel thats not being use if possible.
  • Try setting Medium or Low power output settings and test again Under Advanced/Advanced Wireless.

If any of this still fails, you should think about getting the Laptops and iPad switched to a 5Ghz radio...
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jamos316

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Re: wifi problem
« Reply #4 on: March 12, 2014, 07:43:50 AM »

is there a general rule when choosing a channel or is it just any channel that is not being used is a good channel?

also is i chang my transmission level to low, wont this lower my download & upload speed?
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FurryNutz

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Re: wifi problem
« Reply #5 on: March 12, 2014, 07:46:25 AM »

Usually 1, 6, 11 or in the EU region, I think you have 13? If they are open...

No, just changes the broadcast foot print or range. If your in an apartment complex or small living area, it's best to lower the signal in these cases...
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jamos316

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Re: wifi problem
« Reply #6 on: March 12, 2014, 08:04:02 AM »

ok
the settings that i have altered from the advice that i have gotten from various sources are;

to disable QOS
to disable WAN traffic shaping
to disable SPI in firewall settings
to disable UpNp
to enable multicast streams
change beacon period from 100 to 75
change RTS threshold from 2346 to 2306
change fragmentation threshold from 2346 to 2307
disable short giĻ
to select 802.11n only
channel width : 20MHz/40Mhz
WPA mode : WPA2 only

what are you thoughts about these settings change. good or bad?

also how is the best way to set up utorrent to download your torrents
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FurryNutz

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Re: wifi problem
« Reply #7 on: March 12, 2014, 08:08:09 AM »

ok
the settings that i have altered from the advice that i have gotten from various sources are;

to disable QOS
to disable WAN traffic shaping
to disable SPI in firewall settings
to disable UpNp Enable this
to enable multicast streams
change beacon period from 100 to 75 Play around with this however I tend not to change these values.
change RTS threshold from 2346 to 2306 Play around with this however I tend not to change these values.
change fragmentation threshold from 2346 to 2307 Play around with this however I tend not to change these values.
disable short giĻ
to select 802.11n only
channel width : 20MHz/40Mhz
WPA mode : WPA2 only

what are you thoughts about these settings change. good or bad?

also how is the best way to set up utorrent to download your torrents
[/quote]
« Last Edit: March 12, 2014, 08:18:56 AM by FurryNutz »
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jamos316

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Re: wifi problem
« Reply #8 on: March 12, 2014, 08:27:24 AM »

ok i have now changed the transmission to low, changed the channel to use 6 (low to no users are on this channel). have a slight increase in speed now 29.69Mbps download & 45.34Mbps upload. On the desktop with a wired connection I am getting 80.68Mbps download & 64.36Mbps upload. I am paying my internet supplier for 100 download & 100 upload. shouldnt I get a better connection speed when using wifi than what i do now?
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FurryNutz

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Re: wifi problem
« Reply #9 on: March 12, 2014, 08:34:25 AM »

It's not recommended to speed test on WiFi vs wired. Theres too many variables and possible interferences on Wifi that can cause inaccurate speed results on Wireless. I recommend only speed testing wired LAN.

Be aware that this router is a reported max limit on the uplink in QoS so if TS is enabled with QoS, speeds may decrease some. Don't ask me why, however someone at D-Link didn't think about anyone having ISP speeds faster than 2Mb and there has been debate on weather QoS management is really needed at these higher ISP speeds. This model router and a few others have this issue. Newer model routers don't have this limitation.
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jamos316

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Re: wifi problem
« Reply #10 on: March 12, 2014, 08:37:50 AM »

great. thankyou very much for your help.

i will let you know how the current configuration goes
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FurryNutz

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Re: wifi problem
« Reply #11 on: March 12, 2014, 08:38:15 AM »

 ;)
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jamos316

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Re: wifi problem
« Reply #12 on: March 12, 2014, 09:27:33 AM »

i have had my first problem already. my wifi connection was temporarily down. On my laptop i noticed that it had a exclamation mark where the signal bar is, saying limited connectivity. On my phone it says it was connected with a full signal however nothing was happening. The problem seemed to go away after 1 minute
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FurryNutz

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Re: wifi problem
« Reply #13 on: March 12, 2014, 09:31:14 AM »

Might be those changes under the WiFi that you did. Go back to default settings...
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jamos316

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Re: wifi problem
« Reply #14 on: March 12, 2014, 09:33:34 AM »

the transmission rate?
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