Posted: Sat Sep 14, 2019 13:50 Post subject: iPad 4 - DIR-825b - 5GHZ WLan
Hallo,
meine beiden iPad 4 mit iOS 10 können keine Verbindung zu DIR-825b mit DD-WRT im 5GHz-WLan-Netzwerk aufbauen. Dabei ist es egal, welches DD-WRT ich installiert habe, auch bei älteren Ständen. Ich bekomme regelmäßig einen Password-Fehler bzw. keine Verbindung zu "[i]SSID[/i]" möglich. Seltsamerweise können sie sich ohne Probleme in das 5GHz-WLan der Unitymedia Connectbox enbuchen. An der grundsätzlichen 5GHz-Fähigkeit kann es also nicht liegen. Die Connectbox ist Gateway, die DIR-825b sind APs mit der Connectbox über dLan verbunden.
IPad 2018 bzw. Air 2 und iPhone 6, SE und 5S haben keine Probleme.
Hat jemand eine schlaue Idee, an welcher Schraube in den DD-WRT-Settings ich drehen kann, um das Problem zu beseitigen?!
Gruß ervau
s'cuse me!
Here in english:
Hello
my two iPad 4 with iOS 10 are not able to connect to the 5GHz-WLan-network of my DIR-825b with DD-WRT.
It doesn't matter what DD-WRT as off is installed. I allways get an error "wrong password" (although the PW is correct) or "no connection possible". Connection to the 5GHz-Network of the Unitymedia ConnectBox is possible w/o any problems. So basicly the 5GHz-ability of the iPads 4is given. ConnectBox is gateway, the DIR-825b are APs. IPad 2018, Air 2 and iPhone 6, SE, 5S have no problems. 2,4GHz works with the iPads 4 w/o any problems either.
Is there anybody who has any advice where to change the settings of the DIR-825b to get rid of the problem?
Thx in advance.
ervau
Joined: 07 Nov 2008 Posts: 142 Location: Spring Hill, Fl
Posted: Sun Sep 15, 2019 21:09 Post subject:
what version are you running? What security protocol are you using? Can anything hookup wirelessly? Can you get internet on the 825 with Ethernet? If your using it as an AP did you turn off dhcp? Screen shot a few screens of your settings. _________________ modem: arris tm1602
router: r7800 voxel 1.0.2.77sf w/ kamoj 5.3b12 addon
ap: wrt1900ac v1 bs 43136,dir-825 b1 bs41117
NAS: Iomega ix2-200 CE 4tb, Seagate 1tb usb drive
Wash your hands and DONT TOUCH YOUR FACE!!!
Hello Gallo,
thx for your reply.
Concerning your questions please see the attachments.
Yes as mentioned in the initial post iPhones and other iPads are able to get into INet via Wifi 2,4Ghz and 5GHz as well as my notebook via Lan. Only iPad 4 has the problem to use 5GHz of DIR-825b, 2,4GHz works fine. IPad 4 have no problem with the 5GHz-WLan of the Unitymedia ConnectBox. My problem is that there is no chance to compare the diffetent settings 'cause in the ConnectBox you only can set channel, Wifi-mode, channel-width and security. These data correspond.
If you need any further information, please ask.
Thx in advance.
ervau
Joined: 07 Nov 2008 Posts: 142 Location: Spring Hill, Fl
Posted: Mon Sep 16, 2019 21:29 Post subject:
I've had instances that certain channels don't behave well with some appliances
5ghz screenshots also please _________________ modem: arris tm1602
router: r7800 voxel 1.0.2.77sf w/ kamoj 5.3b12 addon
ap: wrt1900ac v1 bs 43136,dir-825 b1 bs41117
NAS: Iomega ix2-200 CE 4tb, Seagate 1tb usb drive
Wash your hands and DONT TOUCH YOUR FACE!!!
Hello Gallo,
whichones you like to see. Wireless.pdf also shows 5GHz. I actually use channel 136+140. I tested different channels from 36 up to 140 w/o any success.
Thx for your reply.
ervau
Joined: 21 Jan 2017 Posts: 1783 Location: Illinois Moderator
Posted: Wed Sep 18, 2019 15:42 Post subject:
@ervau: 1st, make sure to click the advanced settings box to expand wifi settings. See my signiture for best qca wifi settings to use and then for channels:
I think your router can only perform HT40 so I would recommend using any of these using TX pwr of 27dBm; I would start with 144+lower- but any of these should work:
HT40+lower:
104
112
120
128
136
144
HT40+upper:
100
108
116
124
132
140 _________________ FORUM RULES
Hello msoengineer,
thx for your reply.
Actually I use for 5GHz on DIR-825 channel 136+140, Dynamic (20MHz/40MHz) -2,4GHz is set to channel 13, 20MHz-, on the ConnectBox channel 112 (136 is not available), 20MHz/40MHz. I tried channel 112 on DIR-825 w/o any success.
ervau
Joined: 21 Jan 2017 Posts: 1783 Location: Illinois Moderator
Posted: Thu Sep 19, 2019 12:31 Post subject:
ervau wrote:
Hello msoengineer,
thx for your reply.
Actually I use for 5GHz on DIR-825 channel 136+140, Dynamic (20MHz/40MHz) -2,4GHz is set to channel 13, 20MHz-, on the ConnectBox channel 112 (136 is not available), 20MHz/40MHz. I tried channel 112 on DIR-825 w/o any success.
ervau
Don't use Dynamic, you're better off forcing Ht40 or HT20...devices that are only Ht20 should still see the router if set to HT40, just won't be able to use the other 20mhz of bandwidth. The 802.11N standard for 5ghz has 40mhz already baked in... As far as radio mode...don't force N-only. That breaks things too...it's a buggy selection with poor results. Use N/ac mixed or mixed, don't use any other mode.
Also, your channel selections violate wifi standards and explains why you're not seeing the router. 136 can only be used if you use lower frequencies on HT40. Make sure to use the list I gave with proper "extension" channels. See my wifi wiki link which shows proper channels allowed for up to HT160. Those groupings are the only one's recognized by the wifi standard. Use something else and you get the results you have now. _________________ FORUM RULES
Hello msoengineer,
thx again.
Seems that I found out the solution.
Set DIR-825 5GHz "Wireless Network Mode" from "N" to "NA-Mixed" (not "AC"!!!!) and everything works fine; all other settings like before. Crazy thing is that the ConnectBox 5GHz "Wireless Network Mode" is set to "N/AC-Mixed" and iPad 4 is able to connect. DIR-825 doesn't provide "AC".
Anyway I don't understand why but everything works fine. iPad 4 can use 5GHz-Wifi-Network with DIR-825 N/A-Mixed and ConnectBox N/AC-Mixed.
ervau
Joined: 21 Jan 2017 Posts: 1783 Location: Illinois Moderator
Posted: Sun Sep 22, 2019 18:36 Post subject:
ervau wrote:
Hello msoengineer,
thx again.
Seems that I found out the solution.
Set DIR-825 5GHz "Wireless Network Mode" from "N" to "NA-Mixed" (not "AC"!!!!) and everything works fine; all other settings like before. Crazy thing is that the ConnectBox 5GHz "Wireless Network Mode" is set to "N/AC-Mixed" and iPad 4 is able to connect. DIR-825 doesn't provide "AC".
Anyway I don't understand why but everything works fine. iPad 4 can use 5GHz-Wifi-Network with DIR-825 N/A-Mixed and ConnectBox N/AC-Mixed.
ervau
My Bad...I didn't look at the wikidevi.com info about the DIR-825b1 to see that it's only a NA device...so AC will never work, so using NA-Mixed is the best choice. I'm surprised AC is an option in the drop down menu...this is why it's important to check wikidevi.com to see what features your router has...
Dir-825 rev b1:
WI1 chip1: Atheros AR9220
WI1 802dot11 protocols: an
WI1 MIMO config: 2x2:2
WI1 antenna connector: U.FL, RP-SMA
WI2 chip1: Atheros AR9223
WI2 802dot11 protocols: bgn
WI2 MIMO config: 2x2:2 _________________ FORUM RULES
