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Station tried to associate with unknown SSID ''

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nyddwrtuser330
DD-WRT User

Joined: 05 Mar 2018
Posts: 256

Posted: Fri Jul 26, 2024 13:47 Post subject: Station tried to associate with unknown SSID ''

I am getting tons of the below in my syslog, no idea whats causing it and i dont seem to be having any actual functional issues. Any ideas?

Config
R9000 Primary r7800 Secondary
Same SSID on all interfaces
WDS on 5GHz, VAP on 5GHz
K/R enabled -- i beleive this is when this started, but it is balancing connections very well
I did not configure BSSID - Do i need to? could this cause it?

Jul 25 17:56:40 daemon.info hostapd: wlan0: STA MAC1 IEEE 802.11: Station tried to associate with unknown SSID ''
Jul 25 17:56:53 daemon.info hostapd: wlan0: STA MAC1 IEEE 802.11: Station tried to associate with unknown SSID '\xf2\n\x00\x01\x04\x00\x00\x00\x00\xdd\x05\x00\x90L\x04\x07\xdd\n\x00\x10\x18\x02\x01'
Jul 25 17:57:03 daemon.info hostapd: wlan0: STA MAC1 IEEE 802.11: Station tried to associate with unknown SSID ''
Jul 25 17:57:11 daemon.info hostapd: wlan0: STA MAC1 IEEE 802.11: Station tried to associate with unknown SSID ''
Jul 25 17:57:16 daemon.info hostapd: wlan0: STA MAC1 IEEE 802.11: Station tried to associate with unknown SSID ''
Jul 25 17:57:50 daemon.info hostapd: wlan0: STA MAC1 IEEE 802.11: Station tried to associate with unknown SSID ''
Jul 25 17:58:03 daemon.info hostapd: wlan0: STA MAC1 IEEE 802.11: Station tried to associate with unknown SSID ''
Jul 25 17:58:06 daemon.info hostapd: wlan0: STA MAC1 IEEE 802.11: Station tried to associate with unknown SSID ''
Jul 25 17:58:09 daemon.info hostapd: wlan0: STA MAC1 IEEE 802.11: Station tried to associate with unknown SSID '\x0c38'
Jul 25 17:58:12 daemon.info hostapd: wlan0: STA MAC1 IEEE 802.11: Station tried to associate with unknown SSID ''
Jul 25 17:58:14 daemon.info hostapd: wlan0: STA MAC1 IEEE 802.11: Station tried to associate with unknown SSID '\x0c38'
Jul 25 17:58:24 daemon.info hostapd: wlan0: STA MAC1 IEEE 802.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)

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whitebeard
DD-WRT User

Joined: 26 Jul 2013
Posts: 175
Location: Canada

Posted: Sat Jul 27, 2024 12:51 Post subject:

I also have this regularly on a fairly basic set-up. It's only happening on a newer Laptop which happens to be the only one on a 5Ghz unbridged VAP. It seems related to when the Laptop is sleeping or waking and possibly trying to "roam" (although I think i've disabled this in the Wifi card's config). I've enabled the newer Wifi features like "power-save" and others in the "Roaming" tab, but nothing seems to stop it. I don't get this at all on 2.4Ghz or "older" 5Ghz devices.

whitebeard
DD-WRT User

Joined: 26 Jul 2013
Posts: 175
Location: Canada

Posted: Sat Aug 03, 2024 12:58 Post subject:
You should try 57707, it seems to have stopped for me (or it stopped logging the messages).

tatsuya46
DD-WRT Guru

Joined: 03 Jan 2010
Posts: 7577
Location: YWG, Canada

Posted: Sat Aug 03, 2024 14:16 Post subject:

something is broken in hostapd or mac80211 for roaming, for a LONG TIME now.. affects both 802.11r and regular standard roaming, and its irritating as hell..
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whitebeard
DD-WRT User

Joined: 26 Jul 2013
Posts: 175
Location: Canada

Posted: Mon Aug 05, 2024 15:47 Post subject:

whitebeard wrote:

You should try 57707, it seems to have stopped for me (or it stopped logging the messages).

NVM, it popped up again ... sorry.

pbphoto
DD-WRT User

Joined: 29 Oct 2017
Posts: 286

Posted: Wed Sep 18, 2024 14:47 Post subject:

Just caught a good example of this happening with r58381. Hope it helps with troubleshooting.

Linksys MR7350
DD-WRT v3.0-r58381 std (09/12/24)
Linux 6.6.50-rt29 #1227 SMP Thu Sep 12 11:19:14 +07 2024 aarch64
802.11r is enabled. 802.11v, 802.11k, MBO, and band steering we're all disabled.

I was on a Zoom call in my office at 9am with my MacBook PRO right next to the router. It was connected to wlan0 (802.11ax). all good until I took my laptop into another room. You can see it tried to roam to wlan1 at 9:25:17. Zoom call freezes - wifi connection is hung. I carried the laptop back into my office but it did not reconnect until I restarted wifi in my laptop. It reconnected to wlan0 at 9:26:28.

Sep 18 08:59:50 router1 daemon.info hostapd: wlan0: STA 80:a9:97:xxx IEEE 802.11: disassociated
Sep 18 08:59:51 router1 daemon.info hostapd: wlan0: STA 80:a9:97:xxx IEEE 802.11: authenticated
Sep 18 08:59:51 router1 daemon.info hostapd: wlan0: STA 80:a9:97:xxx IEEE 802.11: associated (aid 2)
Sep 18 08:59:51 router1 daemon.info hostapd: wlan0: STA 80:a9:97:xxx RADIUS: starting accounting session 56D71DDC06DF63FD
Sep 18 08:59:51 router1 daemon.info hostapd: wlan0: STA 80:a9:97:xxx WPA: pairwise key handshake completed (RSN)
Sep 18 09:15:43 router1 daemon.info hostapd: wlan0: STA 80:a9:97:xxx WPA: group key handshake completed (RSN)
Sep 18 09:25:17 router1 daemon.info hostapd: wlan1: STA 80:a9:97:xxx IEEE 802.11: authenticated
Sep 18 09:25:17 router1 daemon.info hostapd: wlan1: STA 80:a9:97:xxx IEEE 802.11: Station tried to associate with unknown SSID ''
Sep 18 09:26:16 router1 daemon.info hostapd: wlan0: STA 80:a9:97:xxx IEEE 802.11: disassociated
Sep 18 09:26:17 router1 daemon.info hostapd: wlan0: STA 80:a9:97:xxx IEEE 802.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)
Sep 18 09:26:28 router1 daemon.info hostapd: wlan0: STA 80:a9:97:xxx IEEE 802.11: authenticated
Sep 18 09:26:28 router1 daemon.info hostapd: wlan0: STA 80:a9:97:xxx IEEE 802.11: associated (aid 1)
Sep 18 09:26:28 router1 daemon.info hostapd: wlan0: STA 80:a9:97:xxx RADIUS: starting accounting session 0F04DF571FC88548
Sep 18 09:26:28 router1 daemon.info hostapd: wlan0: STA 80:a9:97:xxx WPA: pairwise key handshake completed (RSN)

kernel-panic69
DD-WRT Guru

Joined: 08 May 2018
Posts: 16035
Location: Texas, USA

Posted: Wed Sep 18, 2024 15:33 Post subject:

Is WDS STA mode supported on all radios simultaneously in DD-WRT? Rolling Eyes

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sanjonny
DD-WRT Novice

Joined: 24 Jul 2021
Posts: 48

Posted: Thu Sep 19, 2024 8:20 Post subject:

pbphoto wrote:

I am also having this on my MX4300 on 58381
seems to happen after a certain period of time
unfortunately I didnt capture the message before reboot but is very similar to above with it repeated ...station tried to associate with unknown ssid several times but of course I have to wait till it appear again to get exact timing and number of repeats. I believe it was happening on wlan1 and possibly on 1.1 (vap) I am setting the router to log to the server from now on while troubleshooting and there is a post in the mx4300 forum about problems with deauth due to inactivity that didnt exist on the r7000p that the mx4300 replaced. It also seems to drop connection to the laptop on wlan0 very briefly. Maybe this is related to the changing signal strength of that model...

MLandi
DD-WRT Guru

Joined: 04 Dec 2007
Posts: 1161
Location: Murrysville, PA

Posted: Fri Dec 13, 2024 15:01 Post subject:

I am seeing this as well. I am confused as to why RADIUS is even enabled since I do not have it selected. When I see these in the syslog, it is about the time when my wifi extender stops getting packets routed. It stays connected but no traffic flows. How can I turn RADIUS off?
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Netgear R9000
DD-WRT v3.0-r61337 std (05/17/25)
Linux 4.9.337 #770 SMP Thu Apr 24 00:05:49 +07 2025 armv7l
Gateway, AP, DNSMasq, Clock 2000MHz
VAP on wlan1 for internet devices
IPv4 & IPv6 (Prefix Delegation)
Static Leases & DHCP
SmartDNS (using Cloudflare, Quad9 and Google), no QoS, no SFE
2.4GHz: AP, DD-WRT, N Only, ACK Timing 500, WPA2 w/AES
5GHz: AP, DD-WRT, AC Only, ACK Timing 500, WPA2 w/AES
2 Netgear AX1800 WiFi Mesh Extenders
Xfinity 1.2Gbps/40Mbps

johnnyNobody999
DD-WRT Guru

Joined: 10 Jan 2014
Posts: 586

Posted: Sun Apr 06, 2025 16:10 Post subject:

MLandi wrote:

I see this in my logs also but I'm not using RADIUS. Was there a solution for this or should I just ignore it?

MLandi
DD-WRT Guru

Joined: 04 Dec 2007
Posts: 1161
Location: Murrysville, PA

Posted: Sun Apr 06, 2025 22:27 Post subject:

I just ignore it
_________________
Netgear R9000
DD-WRT v3.0-r61337 std (05/17/25)
Linux 4.9.337 #770 SMP Thu Apr 24 00:05:49 +07 2025 armv7l
Gateway, AP, DNSMasq, Clock 2000MHz
VAP on wlan1 for internet devices
IPv4 & IPv6 (Prefix Delegation)
Static Leases & DHCP
SmartDNS (using Cloudflare, Quad9 and Google), no QoS, no SFE
2.4GHz: AP, DD-WRT, N Only, ACK Timing 500, WPA2 w/AES
5GHz: AP, DD-WRT, AC Only, ACK Timing 500, WPA2 w/AES
2 Netgear AX1800 WiFi Mesh Extenders
Xfinity 1.2Gbps/40Mbps

own3mall
DD-WRT Novice

Joined: 26 Jul 2014
Posts: 45

Posted: Tue May 06, 2025 16:19 Post subject:

I have an Intel Killer Wi-Fi 7 BE1750w adapter in one of my laptops, and it just constantly disconnects and reconnects to my wireless N wifi...

The ddwrt log is full of:

Quote:

May 6 10:16:05 erixrouter daemon.info hostapd: wlan1.2: STA 90:09:df:e8:14:0d IEEE 802.11: authenticated
May 6 10:16:05 erixrouter daemon.info hostapd: wlan1.2: STA 90:09:df:e8:14:0d IEEE 802.11: Station tried to associate with unknown SSID ''
May 6 10:16:05 erixrouter daemon.info hostapd: wlan1.2: STA 90:09:df:e8:14:0d IEEE 802.11: authenticated
May 6 10:16:05 erixrouter daemon.info hostapd: wlan1.2: STA 90:09:df:e8:14:0d IEEE 802.11: Station tried to associate with unknown SSID ''
May 6 10:16:05 erixrouter daemon.info hostapd: wlan1.2: STA 90:09:df:e8:14:0d IEEE 802.11: authenticated
May 6 10:16:05 erixrouter daemon.info hostapd: wlan1.2: STA 90:09:df:e8:14:0d IEEE 802.11: Station tried to associate with unknown SSID ''
May 6 10:16:05 erixrouter daemon.info hostapd: wlan1.2: STA 90:09:df:e8:14:0d IEEE 802.11: authenticated
May 6 10:16:05 erixrouter daemon.info hostapd: wlan1.2: STA 90:09:df:e8:14:0d IEEE 802.11: Station tried to associate with unknown SSID ''
May 6 10:16:10 erixrouter daemon.info hostapd: wlan1.2: STA 90:09:df:e8:14:0d IEEE 802.11: authenticated
May 6 10:16:10 erixrouter daemon.info hostapd: wlan1.2: STA 90:09:df:e8:14:0d IEEE 802.11: associated (aid 5)

I'm running DD-WRT v3.0-r58283 std (09/02/24)

Is there a fix for this? It just keeps randomly disconnecting / connection all of the time and is the only laptop / wifi network adapter doing this...[/quote]

IONK
DD-WRT Guru

Joined: 19 Aug 2011
Posts: 1150

Posted: Fri May 09, 2025 1:34 Post subject:

own3mall wrote:

I have an Intel Killer Wi-Fi 7 BE1750w adapter in one of my laptops, and it just constantly disconnects and reconnects to my wireless N wifi...

The ddwrt log is full of:

Quote:

I'm running DD-WRT v3.0-r58283 std (09/02/24)

Is there a fix for this? It just keeps randomly disconnecting / connection all of the time and is the only laptop / wifi network adapter doing this...

Quick check: At your location, is there any other WiFi network with the same SSID as the one your device was trying to connect to?
In case you're unsure, a quick scan using a WiFi analyzer app can reveal that.

Also,

blkt wrote:

• Please report findings with steps needed to reproduce, configuration, clients, output, logs and important information below!

Important:
• Detail issues & relevant configs, logs: syslog klog 'dmesg' 'cat /tmp/var/log/messages' nvram set console_debug=1, serial.
• Firewall NAT: 'iptables -vnL' 'iptables -t nat -vnL' 'iptables -t mangle -vnL' & 'cat /tmp/.ipt'. Debug Analyze: strace tcpdump.
• Gremlins: reboot. cold boot. Reset & reconfigure not restore backup. Search Trac & discuss in forum before opening tickets.
• Include operating & wireless modes (e.g. Gateway, Router, AP, SB, WDS, Mesh) and applicable configurations to reproduce.

Example Template:

Code:

[b]Router/Version: [/b]
[b]File/Kernel: [/b]
[b]Previous/Reset: [/b]
[b]Mode/Status: [/b]
[b]Issues/Errors: [/b]

Furthermore, I guess someone will advice you a more recent fw version to upgrade to.
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grc
DD-WRT User

Joined: 11 Jul 2018
Posts: 127

Posted: Sat May 10, 2025 6:04 Post subject:
I've been observing this issue for a long time on r7800. I thought it was my misconfiguration

BrainSlayer
Site Admin

Joined: 06 Jun 2006
Posts: 7711
Location: Dresden, Germany

Posted: Sat May 10, 2025 8:07 Post subject: Re: Station tried to associate with unknown SSID ''

nyddwrtuser330 wrote:

these are mainly mobile phones in power save state. there is no way to resolve it. yes some of them especially mediatek chipsets are sending curious data in powersave / inactive mode.
its harmless. you are just annoyed by logs
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