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Old 11-22-2013, 10:24 PM   #1
cooltoad
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Wireless Network Configuration?


The network connection icon on the top right corner shows "no network connection" but I can see all the available wireless networks. With this I assume that driver is working fine and wireless connectivity is available without access point connectivity. Here is the output for iwconfig eth1
eth1 IEEE 802.11abgn ESSID:""
Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
Bit Rate=144 Mb/s Tx-Power:24 dBm
Retry min limit:7 RTS thrff Fragment thrff
Power Managementmode:All packets received
Link Quality=5/5 Signal level=-256 dBm Noise level=-90 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

Then I assume it is the problem of network configuration. When I right click to Edit Connections... there are 3 tabs available for the selected connection: Wireless, Wireless Security and IPv4 Setting. The Connect automatically option is selected and for the Wireless tab I have set the SSID and Mode: Infrastructure. The security in Wireless Security tab is set to WPA & WPA2 Personal and the password is set. For IPv4 Setting tab Method: Automatic (DHCP) is set. With this configuration when I apply to connect it asks again and again for "Authentication required by wireless network" with WPA & WPA2 Personal and password information but failed to connect. The configuration files looks like this:

/etc/sysconfig/network-scripts/ifcfg-eth1
# Broadcom Corporation BCM43228 802.11a/b/g/n
DEVICE=eth1
BOOTPROTO=dhcp
ONBOOT=no
HWADDR=08:ed:b9:e1:4e:ec

/etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=yes
HOSTNAME=localhost.localdomain

/etc/resolv.conf
# No nameservers found; try putting DNS servers into your
# ifcfg files in /etc/sysconfig/network-scripts like so:
#
# DNS1=xxx.xxx.xxx.xxx
# DNS2=xxx.xxx.xxx.xxx
# DOMAIN=lab.foo.com bar.foo.com

I had disabled the SELinux and Firewall since SELinux was preventing NetworkManager (NetworkManager_t) "execute" to ./dnsmasq
(dnsmasq_exec_t).

Another issue is that when I try to save the Network Configuration (System->Administrator->Network) after editing the wireless device configuration it exits with an unhandled exception...
Component: system-config-network
Version: 1.3.99.21
Summary: TBf6c835f4 NCHardwareList.py:482:save:AttributeError: HwWireless instance has no attribute 'type'...
Also I don't know what to set in Wireless Settings tab of wireless device configuration if I will be able to save it.

With Windows 7 on the same system (dual boot) I have absolutely no issue in wireless connectivity with the following settings.
IPv4 connectivity, Access Point, Security type: WPA2-Personal and Encryption: AES

Please help to configure the wireless connection. Thanks.
 
Old 11-23-2013, 09:52 PM   #2
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What distro/version of Linux?

Since it's Broadcom, your assumption about the drivers may not be correct. This might help:
http://www.linuxquestions.org/questi...ux-4175434970/
 
Old 11-23-2013, 10:34 PM   #3
jamison20000e
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Hi. Yes, try the command line to see what is working,,, plus from my signature's comment++?

Last edited by jamison20000e; 12-05-2013 at 10:47 AM.
 
Old 12-05-2013, 10:45 AM   #4
cooltoad
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The distro/version is CentOS 5.9. For wpa_supplicant I followed instructions from here:
masrust.web.id/2011/07/24/linux-connect-to-wi-fi-from-command-line/
and here is the output

# lspci | grep -i net
03:00.0 Network controller: Broadcom Corporation BCM43228 802.11a/b/g/n
09:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 07)


# iwconfig
lo no wireless extensions.

eth0 no wireless extensions.

eth1 IEEE 802.11abgn ESSID:""
Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
Bit Rate=300 Mb/s Tx-Power:24 dBm
Retry min limit:7 RTS thrff Fragment thrff
Power Managementmode:All packets received
Link Quality=5/5 Signal level=-256 dBm Noise level=-256 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

sit0 no wireless extensions.


# ip link set eth1 up


# iwlist eth1 scanning
Cell 05 - Address: 20:AA:4BA:5D:AE
ESSID:"blade"
Mode:Managed
Frequency:2.462 GHz (Channel 11)
Quality:5/5 Signal level:-47 dBm Noise level:-85 dBm
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: WPA Version 18960
Group Cipher : Proprietary
Pairwise Ciphers (6 : Encryption keyn
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s


# iwconfig eth1 essid blade key s:************
Error for wireless request "Set Encode" (8B2A) :
SET failed on device eth1 ; Invalid argument.


# wpa_passphrase blade ************ > /etc/wpa_supplicant/wpa_supplicant.conf


# wpa_supplicant -B -Dwext -i eth1 -c /etc/wpa_supplicant/wpa_supplicant.conf
(wext) Device eth1 kernel driver name: wl.
Device eth1 kernel driver name: wl.


# iwconfig eth1
eth1 IEEE 802.11abgn ESSID:""
Mode:Managed Frequency:5.6 GHz Access Point: Not-Associated
Bit Rate=300 Mb/s Tx-Power:24 dBm
Retry min limit:7 RTS thrff Fragment thrff
Power Managementmode:All packets received
Link Quality=5/5 Signal level=-256 dBm Noise level=-90 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0


# dhcpcd eth1
bash: dhcpcd: command not found


I checked /etc/wpa_supplicant/wpa_supplicant.conf and it has the correct essid and key. What is going wrong?

Last edited by cooltoad; 12-05-2013 at 10:50 AM.
 
Old 12-08-2013, 07:10 AM   #5
MikeDeltaBrown
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From the output you posted it looks like the problem lies in the wpa_supplicant configuration. The ESSID is being reset. Double check that you have a ssid="blade" line in the appropriate network={...} definition.
 
Old 12-10-2013, 10:22 AM   #6
cooltoad
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The wpa_supplicant file looks like this (psk is obscured):

network={
ssid="blade"
#psk="************"
psk=****************************************************************
}

The output of command
# wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.conf -i eth1 -d
looks like this:

Initializing interface 'eth1' conf '/etc/wpa_supplicant/wpa_supplicant.conf' driver 'default' ctrl_interface 'N/A' bridge 'N/A'
Configuration file '/etc/wpa_supplicant/wpa_supplicant.conf' -> '/etc/wpa_supplicant/wpa_supplicant.conf'
Reading configuration file '/etc/wpa_supplicant/wpa_supplicant.conf'
Priority group 0
id=0 ssid='blade'
Initializing interface (2) 'eth1'
EAPOL: SUPP_PAE entering state DISCONNECTED
EAPOL: KEY_RX entering state NO_KEY_RECEIVE
EAPOL: SUPP_BE entering state INITIALIZE
EAP: EAP entering state DISABLED
EAPOL: External notification - portEnabled=0
EAPOL: External notification - portValid=0
(wext) Device eth1 kernel driver name: wl.
SIOCGIWRANGE: WE(compiled)=20 WE(source)=19 enc_capa=0xf
capabilities: key_mgmt 0xf enc 0xf
WEXT: Operstate: linkmode=1, operstate=5
Own MAC address: 08:ed:b9:e1:4f:ef
wpa_driver_wext_set_wpa
Device eth1 kernel driver name: wl.
wpa_driver_wext_set_key: alg=0 key_idx=0 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=1 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=2 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=3 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_countermeasures
wpa_driver_wext_set_drop_unencrypted
Setting scan request: 0 sec 100000 usec
Added interface eth1
RTM_NEWLINK: operstate=0 ifi_flags=0x11003 ([UP][LOWER_UP])
Wireless event: cmd=0x8b06 len=12
State: DISCONNECTED -> SCANNING
Starting AP scan (broadcast SSID)
Trying to get current scan results first without requesting a new scan to speed up initial association
Scan results did not fit - trying larger buffer (8192 bytes)
Received 5205 bytes of scan results (14 BSSes)
Scan results: 14
Selecting BSS from priority group 0
Try to find WPA-enabled AP
0: 20:aa:4b:da:5d:ae ssid='blade' wpa_ie_len=0 rsn_ie_len=22 caps=0x11
selected based on RSN IE
selected WPA AP 20:aa:4b:da:5d:ae ssid='blade'
Try to find non-WPA AP
Trying to associate with 20:aa:4b:da:5d:ae (SSID='blade' freq=2462 MHz)
Cancelling scan request
WPA: clearing own WPA/RSN IE
Automatic auth_alg selection: 0x1
RSN: using IEEE 802.11i/D9.0
WPA: Selected cipher suites: group 16 pairwise 16 key_mgmt 2 proto 2
WPA: clearing AP WPA IE
WPA: set AP RSN IE - hexdump(len=22): 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 0c 00
WPA: using GTK CCMP
WPA: using PTK CCMP
WPA: using KEY_MGMT WPA-PSK
WPA: Set own WPA IE default - hexdump(len=22): 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 00 00
No keys have been configured - skip key clearing
wpa_driver_wext_set_drop_unencrypted
State: SCANNING -> ASSOCIATING
wpa_driver_wext_set_operstate: operstate 0->0 (DORMANT)
WEXT: Operstate: linkmode=-1, operstate=5
wpa_driver_wext_associate
ioctl[SIOCSIWAUTH]: Operation not supported
WEXT auth param 1 value 0x8 - ioctl[SIOCSIWAUTH]: Operation not supported
WEXT auth param 2 value 0x8 - ioctl[SIOCSIWAUTH]: Operation not supported
WEXT auth param 10 value 0x1 - ioctl[SIOCSIWAP]: Device or resource busy
Association request to the driver failed
Setting authentication timeout: 15 sec 0 usec
EAPOL: External notification - EAP success=0
EAPOL: External notification - EAP fail=0
EAPOL: External notification - portControl=Auto
RSN: Ignored PMKID candidate without preauth flag
RTM_NEWLINK: operstate=0 ifi_flags=0x11003 ([UP][LOWER_UP])
Wireless event: cmd=0x8b06 len=12
RTM_NEWLINK: operstate=0 ifi_flags=0x11003 ([UP][LOWER_UP])
Wireless event: cmd=0x8b04 len=16
RTM_NEWLINK: operstate=0 ifi_flags=0x11003 ([UP][LOWER_UP])
Wireless event: cmd=0x8b1a len=24
RTM_NEWLINK: operstate=0 ifi_flags=0x11003 ([UP][LOWER_UP])
Wireless event: cmd=0x8c02 len=41
RTM_NEWLINK: operstate=0 ifi_flags=0x11003 ([UP][LOWER_UP])
Wireless event: cmd=0x8c02 len=41
Authentication with 20:aa:4b:da:5d:ae timed out.
Added BSSID 20:aa:4b:da:5d:ae into blacklist
No keys have been configured - skip key clearing
State: ASSOCIATING -> DISCONNECTED
wpa_driver_wext_set_operstate: operstate 0->0 (DORMANT)
WEXT: Operstate: linkmode=-1, operstate=5
EAPOL: External notification - portEnabled=0
EAPOL: External notification - portValid=0
EAPOL: External notification - EAP success=0
Setting scan request: 0 sec 0 usec
State: DISCONNECTED -> SCANNING
Starting AP scan (broadcast SSID)
Scan requested (ret=0) - scan timeout 5 seconds
RTM_NEWLINK: operstate=0 ifi_flags=0x11003 ([UP][LOWER_UP])
Wireless event: cmd=0x8b19 len=16
Scan results did not fit - trying larger buffer (8192 bytes)
Received 4542 bytes of scan results (13 BSSes)
Scan results: 13
Selecting BSS from priority group 0
Try to find WPA-enabled AP
0: 20:aa:4b:da:5d:ae ssid='blade' wpa_ie_len=0 rsn_ie_len=22 caps=0x11
selected based on RSN IE
selected WPA AP 20:aa:4b:da:5d:ae ssid='blade'
Try to find non-WPA AP
Trying to associate with 20:aa:4b:da:5d:ae (SSID='blade' freq=2462 MHz)
Cancelling scan request
WPA: clearing own WPA/RSN IE
Automatic auth_alg selection: 0x1
RSN: using IEEE 802.11i/D9.0
WPA: Selected cipher suites: group 16 pairwise 16 key_mgmt 2 proto 2
WPA: clearing AP WPA IE
WPA: set AP RSN IE - hexdump(len=22): 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 0c 00
WPA: using GTK CCMP
WPA: using PTK CCMP
WPA: using KEY_MGMT WPA-PSK
WPA: Set own WPA IE default - hexdump(len=22): 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 00 00
No keys have been configured - skip key clearing
wpa_driver_wext_set_drop_unencrypted
State: SCANNING -> ASSOCIATING
wpa_driver_wext_set_operstate: operstate 0->0 (DORMANT)
WEXT: Operstate: linkmode=-1, operstate=5
wpa_driver_wext_associate
ioctl[SIOCSIWAUTH]: Operation not supported
WEXT auth param 1 value 0x8 - ioctl[SIOCSIWAUTH]: Operation not supported
WEXT auth param 2 value 0x8 - ioctl[SIOCSIWAUTH]: Operation not supported
WEXT auth param 10 value 0x1 - ioctl[SIOCSIWAP]: Device or resource busy
Association request to the driver failed
...

I don't understand whats going wrong. Please suggest possible solution.
 
Old 12-11-2013, 10:33 AM   #7
MikeDeltaBrown
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I would add two lines to your wpa_supplicant.conf file, per `man wpa_supplicant.conf`:
scan_ssid=1
key_mgmt=WPA-PSK
although I don't think this is the problem. The command output shows the access-point is being identified and WPA-PSK is being used.

I would also double check your PSK statement. I looks like the second to the last octet is mismatched, per the output lines:
WPA: set AP RSN IE - hexdump(len=22) : 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 0c 00
WPA: Set own WPA [snip]- hexdump(len=22): 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 00 00

---------- Post added 12-11-13 at 07:34 AM ----------

I would add two lines to your wpa_supplicant.conf file, per `man wpa_supplicant.conf`:
scan_ssid=1
key_mgmt=WPA-PSK
although I don't think this is the problem. The command output shows the access-point is being identified and WPA-PSK is being used.

I would also double check your PSK statement. I looks like the second to the last octet is mismatched, per the output lines:
WPA: set AP RSN IE - hexdump(len=22) : 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 0c 00
WPA: Set own WPA [snip]- hexdump(len=22): 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 00 00
 
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Old 12-11-2013, 11:07 AM   #8
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wpa_supplicant and networkmanager do not touch an interface if it's listed or defined in any way in /etc/network/interfaces in debian. I'm not sure what else that applies to, but it was my main stumbling block a while back. I've never had much luck with wpa_supplicant or networkmanager in debian at least. But my vintage broadcom wifi devices can be a bit quirky. To include unloading and reloading kernel modules to overcome certain issues. Depending on the device and the firmware of course.

I often find that I have to set the parameters on my wireless twice. I can only assume the first one accomplishes a sort of ifup on the device and the second attempt succeeds in using the device. With results like what your output showed where the ESSID didn't take.

It doesn't look like you have dhcpcd installed, or permissions to use it as that user. I use dhclient myself, and find that the IPv6 default doesn't play well with my network so I have to add -4 to the command to push in the direction of IPv4. And various other it's just simpler to buy a wireless router and use it via ethernet as your wifi card in repeater mode.
 
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Old 12-12-2013, 01:28 AM   #9
cooltoad
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MikeDeltaBrown
Added the two lines to wpa_supplicant.conf but same result.
Yes the octet is mismatched, why?... should I compare these with the one in wpa_supplicant.conf file? Thanks for pointing out.

Shadow_7
How can I unload and reload kernel modules?
What do you mean by setting the parameters on wireless twice? Do you mean using wpa_supplicant command twice?
How can I check if dhcpcd is installed? Sorry for too many questions.
 
Old 12-12-2013, 08:35 AM   #10
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I'm sorry, I wasn't very clear about the PSK line. I'm concerned that your Pre-Shared Keys aren't the same on the access point and in your wpa_supplicant.conf file. I would suggest re-entering them both.
 
Old 12-12-2013, 01:56 PM   #11
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Quote:
Originally Posted by cooltoad View Post
Shadow_7
How can I unload and reload kernel modules?
What do you mean by setting the parameters on wireless twice? Do you mean using wpa_supplicant command twice?
How can I check if dhcpcd is installed? Sorry for too many questions.
In my case.

# killall dhclient
# ifdown wlan0
# modprobe -r b43
# modprobe b43
# ifup wlan0
# sh my_script_of_firewall.sh up
# sh my_script_of_iwconfig_options.sh home
# sh my_script_of_iwconfig_options.sh home
# dhclient -4 -v wlan0

In debian.
$ dpkg-query --load-avail -l '*dhcp*'

Or something like that. YMMV. In the early days of wireless drivers, you sometimes had to set certain parameters first or never have the opportunity to set them again. Like the ESSID parameter. Reloading the module gives you a 2nd chance to set those parameters in some cases. But if you happen to have a card and driver that has to be used in that way, wpa_supplicant and networkmanager are more likely to get in the way than to help you make them work. And sometimes the firmware (/usr/lib/firmware/b43/*.fw) that works for your card isn't what comes with your distro by default. But then again all of my hardware is 5+ years old at this point.
 
Old 12-16-2013, 09:42 AM   #12
cooltoad
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Can I use ndiswrapper instead?
Is there any other way to get it working in linux... I have almost given up.
 
Old 12-16-2013, 09:59 AM   #13
jamison20000e
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Could try; I would say try CentOS 6.5 but may still have same problem, network from the CLI can be tricky for me too sometimes wish there was a reset button? On my netints I finally just gave up and installed a GUI to get it connected with WiFi\WEP...

Last edited by jamison20000e; 12-16-2013 at 09:53 PM.
 
Old 12-16-2013, 09:50 PM   #14
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In my opinion broadcom wireless is quirky at best.

http://askubuntu.com/questions/21522...king-on-update

For my 14e4:4320 (rev 03) / broadcom 4306, I need the broadcom-wl-4.150.10.5.tar.bz2 firmware which is NOT what my distro grabs by default. And even that is ... well ... quirky.
 
  


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