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Author Topic: Extremely long latency using DAP-1522 as bridge  (Read 7126 times)

Brent

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Extremely long latency using DAP-1522 as bridge
« on: October 14, 2008, 02:40:27 AM »
I have a DAP-1522 connected as a wireless bridge to my DIR-655 router. I'm using WPA2 security and setup all settings of the bridge manually. I can browse the net but response times are very slow. Using a laptop connected via Ethernet cable to the DAP-1522 (with the laptop's wireless physically switched off), I ran a ping test from the laptop to the DIR-655. Pings take from 2200 to 4500 ms. (Yes, roughly 2-4 seconds to go from laptop via bridge to router one room away.

I've reconfigured the bridge multiple times without any improvement. As a comparison, I disconnected the laptop's ethernet connection, switch on the wireless, and a ping from the laptop directly to the DIR-655 consistently reports less than 1 ms.

I'm running the version 1.02 firmware on the DAP-1522 and on the DIR-655, version 1.11.

I don't see any errors reported. Just extremely long latency, which basically makes the bridge useless. Any one have any idea what may be wrong?

    Thanks,
    Brent
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Hawaii

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  • Posts: 5
Re: Extremely long latency using DAP-1522 as bridge
« Reply #1 on: October 14, 2008, 10:11:05 AM »
Thank you for the details information.
I will investigate it.
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finiteman

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  • Posts: 8
Re: Extremely long latency using DAP-1522 as bridge
« Reply #2 on: October 19, 2008, 05:16:29 PM »
Brent,

I know this probably doesn't help in your case, but for what it's worth.....

Sounds like I have the same setup as you do with the DAP-1522 bridging with a DIR-655, and if you follow my trek in

http://forums.dlink.com/index.php?topic=1886.30 ,

I had similar issues until I updated my firmware to 1.02.  Now I am enjoying pings < 1 ms to the DIR-655 and I am 45 feet away, downstairs to upstairs.   All my settings are in the referenced topic.  I was seeing really slow downloads until I did the firmware update.  For me, the setup works great.

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Hawaii

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  • Posts: 5
Re: Extremely long latency using DAP-1522 as bridge
« Reply #3 on: October 20, 2008, 05:01:58 PM »
I tried the latest firmware for both sides:
DIR-655 firmware 1.21
DAP-1522 firmware 1.10

Lock the DIR-655 to 11n only mode.
Using WPA-Auto-AES.
The response time is 1ms to 3ms.
Throughput is 40Mbps in very noisy environment. (with over 25 SSIDs in open space)
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tamalero

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  • Posts: 7
Re: Extremely long latency using DAP-1522 as bridge
« Reply #4 on: January 28, 2009, 01:08:14 PM »
I had the same problem, as I explained another person, seems the DIR-655's autochannel selection was the culprit, setting a manual channel ( in my case manually to channel 11, with 20-40Mhz mode )
and the studdering dissapeared.
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