Equipment Support > Hardware By Brand > D-Link > DIR-825 Wireless Problem

reply to BimmerE38FN

Re: DIR-825 Wireless Problem

Try single mode G or mixed G and N on 2.4 and single mode N on 5Ghz? Theres no need to broadcase A or B modes since most devices now days use G or N only.

What security mode are you using? Preferred security is WPA-Personal. WPA2/Auto TPIK and AES or AES only. Some WiFi adapters don't support AES.

Any other WiFi routers in the area? Use InSSIDer to find out.
Turn off Short GI and Extra Wireless Protection, WLAN partiton if you have it. Under Advanced/Advanced Wireless.

Use InSSIDer application to find a open channel, since you have other routers near by, I recommend changing from Auto Scan to Manual and pick a open channel for the 2.4Ghz radio. If there isn't many or any 5Ghz wifi's near by, then you can leave that radio set to Auto Scan.

I recommend turning OFF Short GI.

Keep us posted on how it goes.

reply to Link Logger
Try DD-WRT, I have it on my 825, works well. Now the DAP bridge I will say is a POS, it kept knocking my Pioneer stereo receiver off the network.

reply to Link Logger

I would change the 5Ghz mode from Mixed A and N to N only. If you don't have any devices using A then why broadcast it. Going to single mode will strengthen the signal as well. And again, if you don't have any devices that use or support 5Ghz at all then I would turn the 5Ghz radio OFF.

Mixed Modes DO NOT broadcast anything extra, SSID, Becon nor does it take away from the N signal. What NA Mixed mode will do is if signal strength drops you stay connected! Granted if there are no other 5ghz networks this may be moot, there are some 5ghz cordless phones though. What can affect connection and does add to broadcast is WPS some devices don't work well with this on. Mixed BGN for example, B does not support WPS. Utilizing mixed modes improves probability of maintaining stable connection when other interference i.e. other networks, devices are in vicinity, It does NOT affect radiated power output!

TURN WPS AND SHORT GI!!! OFF!!! Short GI is a very brief sometimes overlooked signal and some clients WILL NOT SEE IT. Pick a channel 11 provides the best freq distance from overlapping Bluetooth devices. Note the 2.4ghz band channels overlap example 6 overlaps with 4,5,7,8. I recently moved and there were several networks on 11 so I moved to the other end my 2.4ghz devices make a fairly solid 65mb 20hz connection now, too many wireless networks for 2.4ghz 40hz to work.

If you have an android phone/device go to the market and get WiFi Analyzer (free app) it will tell you what if any other networks their SSID, channel and signal strength. This will also demonstrate how 2.4ghz channels overlap. It will also recommend a better channel. btw if your phone does dual band (my Samsung Galaxy S II does) it scans the 5ghz band also. On the Channel Graph page tap the upper left corner it will switch to 5ghz. The Time graph will show relative signal strength of all SSID's on both bands.

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DLink DIR-825 (B1) fw2.06NA / DAP-1522 (a1) fw 1.31 {2@5ghz bridge mode} / Clear Modem series G

reply to dyoshida
Broadcasting mixed modes do affect signal strength and range. I would turn A and B modes off if there not being used.

Use www.metageek.net for finding nearby routers that are suing up channels. Find a open one.

I had to dig my old Wifi Spy out of the bottom of my drawer, and I love MetaGeek products, but ultimately my problem with the DIR-825 has nothing to do with my wifi connection etc, but the firewall itself.

For example using the same computer, a wired connection, ISP connection etc, if using the DIR-825 I go to:

»en.video.canoe.tv/

the videos are a no go, however if I switch my connection over to my old WRT54GS no problem. I'm not running any DNS services etc, so the only thing that is different is the router. Now its not just that site as often I have problems even posting to DSLReports.com and when that happens I just switch over to the WRT54GS and its not problem. Both routers are setup as the same network time (Home), hence my problem with the DIR-825 as the idea was to permanently replace the WRT54GS (running DD-WRT or Tomato), but in fact I've had to keep it around for when the DIR-825 decides on being stupid.

Blake
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Vendor: Author of Link Logger which is a traffic analysis and firewall logging tool

reply to dyoshida
Set Firewall settings to Endpoint Independent for TCP and UDP under Advanced/Firewall if you have this option

reply to Link Logger
Any suggestions as to why this site works with my old Linksys router but not my new DLink router?

Blake

Been over to the 825 forum on DLinks site?

reply to dyoshida
Maybe have someone take a look at your router settings using team-viewer?

reply to BimmerE38FN

Just saying sometimes going from mixed to single modes helps in my experiences. To each his own though. Just here to help each other out.

reply to Link Logger

reply to dyoshida
Funny, my 825 works well on this site.

reply to Link Logger
As Bimmer already pointed to check Advanced>Firewall Settings. I had no trouble with video's @canoe.tv

My firewall settings are:

Stateful Packet Inspection (SPI): On
Both UDP and TCP are set to Address Restricted
RSTP and SIP: ON

Anti-Spoof, DMZ, PPTP and IPSec: Off

?? If this is wireless connection check Advanced>Advance Wireless
WMM should be checked, one more time UNCHECK Short GI...

P
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---- Insanity: doing the same thing over and over again and expecting different results.
---- Albert Einstein

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DLink DIR-825 (B1) fw2.06NA / DAP-1522 (a1) fw 1.31 {2@5ghz bridge mode} / Clear Modem series G