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Author Topic: wifi speed  (Read 4506 times)

regi

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wifi speed
« on: April 08, 2012, 07:13:13 AM »

hi  :)

i am new no the dns-323 and have a question, iīve got a wd20ears and a wd15earx inside, both 80% filled
the wd15earx is a little faster than the wd20ears using the latest firmware 1.10.

when using my laptop with lan i get 15 megabytes/s writing speed and 25 megabytes/s reading, i think those are the normal speeds for this unit, so far no problem.

when i use laptop --> wifi --> router --> cable --> dns-323 i get 12 megabytes/s writing speeds but only 9 megabytes/s reading speed...... i expected about 15 mb/s reading speed.

the router is an asus rt-n56u and i use the 5 ghz band and is in the same room as the laptop, if i copy from laptop --> wifi --> router --> cable --> pc i get copy speeds of 20 mb/s
(no one else and no other routers on the 5 ghz band, checked with "inssider 2.0)
 
i measure the speeds with "lan-speed-test"

is there any way to get better reading speeds from the nas over wifi?

thanks
regi
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JavaLawyer

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Re: wifi speed
« Reply #1 on: April 08, 2012, 09:44:44 AM »

Generally speaking, if you are transfering large files, you should enable Jumbo frames. Additionally, disabling iTunes, DHCP Server, and UPnP server will reduce overhead and should have a positive impact on performance.

On a 5Ghz router connected at 300, I would expect you to see ~10-12 MB/s write and ~14-15 MB/s read.
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fordem

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Re: wifi speed
« Reply #2 on: April 08, 2012, 02:48:44 PM »

Curiosly enough, although, WiFi frames are larger than 1500 bytes, and therefore technically jumbo frames - enabling jumbo frame will not provide any performance benefits to a WiFi network - it's primarily used with gigabit networks.
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JavaLawyer

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Re: wifi speed
« Reply #3 on: April 09, 2012, 05:09:08 AM »

Curiosly enough, although, WiFi frames are larger than 1500 bytes, and therefore technically jumbo frames - enabling jumbo frame will not provide any performance benefits to a WiFi network - it's primarily used with gigabit networks.

You're absolutely correct. It's been a few too many years since my last networking course  :-[
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regi

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Re: wifi speed
« Reply #4 on: April 17, 2012, 03:03:42 AM »

hi all :)

just a small update

i have tried changing the mtu (from 1500 to 1430) but that didīnt make such a big  difference....maybe 0.5 mb/s in both directions.

i forgot to mention that my laptop is using a intel wifi 5300 agn, now the funny thing:
deleting all intel drivers....so win7 uses the original microsoft driver.....speeds things up

i retested all intel drivers (installed driver and then rebootet) and all intel drivers give me 9 to 10 mb/s reading speeds.

with the win7 microsoft driver 12.4.1.4 i get reading speeds of nearly 13 mb/s and writing speeds about 12 mb/s.......thatīs ok for me

i read in a different forum that somebody claimed to have 20 mb/s reading and writing over wifi......but i donīt think that is possible.

thanks for your help @all

:)
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regi

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Re: wifi speed
« Reply #5 on: June 15, 2012, 12:15:45 AM »

hi :)

new update

canīt stop playing around with settings....silly me :D

after to much "playing" i had to reinstall windows 7......this time i took a non-modified (original) version and without changing anything i still get about 12 to 13 MB/s write speeds.....BUT now have 17 to 19 MB/s read speeds  ;D

now a very happy dns-323 owner and not playing with settings anymore  ;D
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JavaLawyer

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Re: wifi speed
« Reply #6 on: June 15, 2012, 05:01:55 AM »

after to much "playing" i had to reinstall windows 7......this time i took a non-modified (original) version and without changing anything i still get about 12 to 13 MB/s write speeds.....BUT now have 17 to 19 MB/s read speeds  ;D

My wireless throughput on Windows 7 is within a similar range as yours for upload (9-12 MB/s) and download (17-20 MB/s) to/from my DNS-343 which is of the same family of D-Link NAS as the DNS-323. I wasn't able to achieve these wireless speeds until upgrading my router to the new DIR-857.
« Last Edit: June 15, 2012, 05:23:33 AM by JavaLawyer »
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