Hi All… we are having a cable modem here… so what we do is one person connect to his laptop and creates a wireless adhoc network with ics enabled… everyone else connects to that network… his operating system is windows xp… I have a dual boot system… I am able to connect in windows but failed to connect in opensuse…
I tried to conenct using knetwork manager and by the traditional method… the network is getting detected but the connection is not getting established… tried with and without encryption…
I have done the following checks… please have a look at the results…
- lspci | less
09:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5784M Gigabit Ethernet PCIe (rev 10)
0c:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g (rev 01)
-
lspci -n
09:00.0 0200: 14e4:1698 (rev 10)
0c:00.0 0280: 14e4:4315 (rev 01)
-
dmesg | less
usb 1-1: New USB device found, idVendor=0a5c, idProduct=4500
usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-1: Product: BCM2046B1
usb 1-1: Manufacturer: Broadcom
-
/usr/sbin/iwconfig
lo no wireless extensions.
eth1 IEEE 802.11 Access Point: Not-Associated
eth0 no wireless extensions.
5)sudo /usr/sbin/iwlist scan
lo Interface doesn’t support scanning.
eth1 Scan completed :
Cell 01 - Address: 02:21:5D:00:1B:0B
ESSID:“sumesh”
Mode:Ad-Hoc
Frequency:2.412 GHz (Channel 1)
Quality:5/5 Signal level:-40 dBm Noise level:-91 dBm
Encryption key:off
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Cell 02 - Address: C6:BB:FC:85:47:6B
ESSID:“SUNIL”
Mode:Ad-Hoc
Frequency:2.462 GHz (Channel 11)
Quality:5/5 Signal level:-46 dBm Noise level:-92 dBm
Encryption key:off
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
eth0 Interface doesn’t support scanning.
6)/sbin/ifconfig
eth0 Link encap:Ethernet HWaddr 00:21:70:7E:91:9D
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:17
eth1 Link encap:Ethernet HWaddr 00:22:5F:1D:A4:E7
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:17 Base address:0xc000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:550 errors:0 dropped:0 overruns:0 frame:0
TX packets:550 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:41108 (40.1 Kb) TX bytes:41108 (40.1 Kb)
sarin cv wrote:
> Hi All… we are having a cable modem here… so what we do is one person
> connect to his laptop and creates a wireless adhoc network with ics
> enabled… everyone else connects to that network… his operating system
> is windows xp… I have a dual boot system… I am able to connect in
> windows but failed to connect in opensuse…
>
> I tried to conenct using knetwork manager and by the traditional
> method… the network is getting detected but the connection is not
> getting established… tried with and without encryption…
I don’t think that NetworkManager handles Ad-Hoc networks.
My first suggestion is for you to take a collection and buy a wireless
Access Point. That way you could use a Managed network, and you would
not be dependent on the master XP machine running.
If that is not possible, you will need to use the traditional ifup
method. You should first copy /etc/sysconfig/network/ifcfg-template to
/etc/sysconfig/network/ifcfg-eth1, then edit the latter to set ALL
your preferences. In particular, you need to set the WIRELESS_MODE
variable to “ad-hoc”. If you did that before and it didn’t work, then
whichever driver you are using may not support ad-hoc mode.
wireless mode is already set to ad-hoc
BOOTPROTO=‘dhcp4’
BROADCAST=’’
ETHTOOL_OPTIONS=’’
INTERFACETYPE=‘wlan’
IPADDR=’’
MTU=’’
NAME=‘BCM4312 802.11b/g’
NETMASK=’’
NETWORK=’’
REMOTE_IPADDR=’’
STARTMODE=‘manual’
USERCONTROL=‘no’
WIRELESS_AP=’’
WIRELESS_AUTH_MODE=‘no-encryption’
WIRELESS_BITRATE=‘auto’
WIRELESS_CA_CERT=’’
WIRELESS_CHANNEL=’’
WIRELESS_CLIENT_CERT=’’
WIRELESS_CLIENT_KEY=’’
WIRELESS_CLIENT_KEY_PASSWORD=’’
WIRELESS_DEFAULT_KEY=‘0’
WIRELESS_EAP_AUTH=’’
WIRELESS_EAP_MODE=’’
WIRELESS_ESSID=‘sumesh’
WIRELESS_FREQUENCY=’’
WIRELESS_KEY=’’
WIRELESS_KEY_0=’’
WIRELESS_KEY_1=’’
WIRELESS_KEY_2=’’
WIRELESS_KEY_3=’’
WIRELESS_KEY_LENGTH=‘128’
WIRELESS_MODE=‘Ad-hoc’
WIRELESS_NICK=’’
WIRELESS_NWID=’’
WIRELESS_PEAP_VERSION=’’
WIRELESS_POWER=‘yes’
WIRELESS_WPA_ANONID=’’
WIRELESS_WPA_IDENTITY=’’
WIRELESS_WPA_PASSWORD=’’
WIRELESS_WPA_PSK=’’
The template uses “ad-hoc”, not “Ad-hoc”. I don’t know if it is case
sensitive. If not, then it is a driver problem. Unfortunately, your
card requires that you use an unsupported driver, thus we cannot help.
I am having Broadcom Corporation BCM4312 802.11 which most of the people use and connect wthout any issues…then why only me having problems…
one doubt… The drivers available in linux for bcm4xxx card are opensource drivers or released by broadcom???
sarin cv wrote:
> I am having Broadcom Corporation BCM4312 802.11 which most of the people
> use and connect wthout any issues…then why only me having problems…
>
> one doubt… The drivers available in linux for bcm4xxx card are
> opensource drivers or released by broadcom???
If your BCM4312 has PCI ID of 14e4:4312, then you can use the
open-source driver b43. If it has ID 14e4:4315, then you must use the
Broadcom wl driver, which is closed source. If the latter, we cannot
help you with any problems in setting up an ad-hoc network as we
cannot view the source.
unfortunately, I am having 14e4:4315… in the meanwhile I tried to make it work using ndiswrapper also…later I removed it from booting… but the problem now is, when i scan for networks, it says device does not support scanning… 
I have installed broadcom-wl drivers from packman repo… still wireless is not working… The drivers listed in their website are dated may 1st… will it work for the latest linux kernels? can I get the updated version from somewhere else? I tried to compile that driver for my currenct kernel once and had failed… does anyone got a solution???
sarin cv wrote:
> I have installed broadcom-wl drivers from packman repo… still wireless
> is not working… The drivers listed in their website are dated may
> 1st… will it work for the latest linux kernels? can I get the updated
> version from somewhere else? I tried to compile that driver for my
> currenct kernel once and had failed… does anyone got a solution???
Does the Broadcom driver load? Look at the output of lsmod to tell? Do
you see any error messages in the listing that might pertain to wl?
If you see any mention of ssb in the lsmod list, then you need to
blacklist it. Modify (as root) /etc/modprobe.d/blacklist. The commands
below will do the job:
su
cp /etc/modprobe.d/blacklist /etc/modprobe.d/blacklist_save
echo "blacklist ssb" >> /etc/modprobe.d/blacklist
/sbin/modprobe -rv wl
/sbin/modprobe -rv ssb
/sbin/modprobe -v wl
exit
BE VERY CAREFUL! During the execution of these commands, you will be
logged in as root. Mistyping one of the entries could destroy your
system. In particular, make sure you have the >> correct in the echo
line. Please post the output from these commands.
If you get the driver from Broadcom’s web pile, you will definitely
need to compile it. As that failed earlier, and you do not mention any
corrective action, that will likely fail again.
sorry for the delay… i will check these things and post results asap