Wifi: Difference between revisions

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(Created page with "== Troubleshoot wifi == <source lang=bash> # Check device lsusb # if wifi usb device lspci # if wifi pci device # Check if device has an interf...")
 
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* See file {{file|/etc/network/interfaces}}. See man page <code>man interfaces</code>
* See file {{file|/etc/network/interfaces}}. See man page <code>man interfaces</code>
* For WPA, see file {{file|/etc/wpa_supplicant/wpa_supplicant.conf}}.
* For WPA, see file {{file|/etc/wpa_supplicant/wpa_supplicant.conf}}.

;Miscellaneous

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* Wireless deauthentication code from [http://etutorials.org/Networking/Wireless+lan+security/Chapter+4.+WLAN+Fundamentals/Basic+Choreography/]:
* About syslog <code>wlan0: deauthenticated from 00:1d:7e:0c:24:5e (Reason: 14)</code>, see [https://forums.opensuse.org/showthread.php/491668-Reason-14]:
*: ''That means that the WPA encryption code is failing and the packet is corrupt. I would worry about that corrupt beacon from the AP.''
* [https://forums.opensuse.org/showthread.php/410319-getting-your-wireless-work Troubleshooting WiFi] (opensuse post)
* [https://forums.opensuse.org/showthread.php/410319-getting-your-wireless-work Getting info on WiFi] (opensuse post)
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|3||Deauthenticated because sending station is leaving (or has left) IBSS or ESS.
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|14||MIC failure.
|}
|}

* See [[Common Issues]]

Revision as of 16:44, 21 February 2015

Troubleshoot wifi

# Check device
lsusb                # if wifi usb device
lspci                # if wifi pci device

# Check if device has an interface
iwconfig

# Check status interfaces
ifconfig


Wifi is either controlled by NetworkManager or via the command line.

NetworkManager
Command file
  • See file /etc/network/interfaces. See man page man interfaces
  • For WPA, see file /etc/wpa_supplicant/wpa_supplicant.conf.
Miscellaneous
  • Wireless deauthentication code from [1]:
  • About syslog wlan0: deauthenticated from 00:1d:7e:0c:24:5e (Reason: 14), see [2]:
    That means that the WPA encryption code is failing and the packet is corrupt. I would worry about that corrupt beacon from the AP.
  • Troubleshooting WiFi (opensuse post)
  • Getting info on WiFi (opensuse post)
3 Deauthenticated because sending station is leaving (or has left) IBSS or ESS.
14 MIC failure.
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