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[wireless] Too many ethernet adaptors (SOLVED)
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capira
Tux's lil' helper
Tux's lil' helper


Joined: 02 May 2005
Posts: 147
Location: Spain
PostPosted: Mon Apr 10, 2006 4:23 pm    Post subject: [wireless] Too many ethernet adaptors (SOLVED) Reply with quote
Hi all.

After doing
Code:
# emerge --sync && emerge -DuvN world
on Saturday, I have switched on my Laptop today. After loading everything with no (new :D ) error I realized the wireless was not working. So, I run a few commands and found that:
Code:
# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:A0:D1:26:8E:B5
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:37 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:2368 (2.3 Kb)  TX bytes:0 (0.0 b)
          Interrupt:11

eth1      Link encap:UNSPEC  HWaddr 00-08-0D-A0-D1-26-8E-B5-00-00-00-00-00-00-00-00
          inet addr:192.168.1.2  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:76 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 b)  TX bytes:2736 (2.6 Kb)

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:68 errors:0 dropped:0 overruns:0 frame:0
          TX packets:68 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:5758 (5.6 Kb)  TX bytes:5758 (5.6 Kb)

As you can see, eth0 and eth2 are the same devices! And there is no configuration for eth1 which is the wireless devices (or at least should be). So I run
Code:
# iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

eth2      IEEE 802.11g  ESSID:"oceano"
          Mode:Managed  Frequency:2.452 GHz  Access Point: 00:03:C9:8C:C4:EC
          Bit Rate:54 Mb/s   Tx-Power=20 dBm   Sensitivity=8/0
          Retry limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=95/100  Signal level=-32 dBm  Noise level=-85 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:17   Missed beacon:6

eth1      no wireless extensions.

Checking my scripts I realize that the system hopes to find eth1 as the wireless device so there is no way that the wireless network work fine. So I have changed everything in order to point eth2 as the wireless device:I just edit /etc/conf.d/net and /etc/conf.d/wireless in order to set eth2 as the wireless device and create a new link to eth2
Code:
# nano -w /etc/conf.d/net
# nano -w /etc/conf.d/wireless
# cd /etc/init.d/
# ln -s net /etc/init.d/net.eth2
# rc-update add net.eth2 default
# rc-update del net.eth1
# reboot

After the rebooting, again the wireless device was bad configured.
Code:
# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:A0:D1:26:8E:B5
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:37 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:2368 (2.3 Kb)  TX bytes:0 (0.0 b)
          Interrupt:11

eth2      Link encap:UNSPEC  HWaddr 00-08-0D-A0-D1-26-8E-B5-00-00-00-00-00-00-00-00
          inet addr:192.168.1.2  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:76 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 b)  TX bytes:2736 (2.6 Kb)

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:68 errors:0 dropped:0 overruns:0 frame:0
          TX packets:68 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:5758 (5.6 Kb)  TX bytes:5758 (5.6 Kb)

# iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

eth2      no wireless extensions.

eth1      IEEE 802.11g  ESSID:"oceano"
          Mode:Managed  Frequency:2.452 GHz  Access Point: 00:03:C9:8C:C4:EC
          Bit Rate:54 Mb/s   Tx-Power=20 dBm   Sensitivity=8/0
          Retry limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=95/100  Signal level=-32 dBm  Noise level=-85 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:17   Missed beacon:6


Any ideas of what is going on? Ok, I can set my network device manually but it is so bored ...

Last edited by capira on Tue Apr 11, 2006 3:52 pm; edited 1 time in total
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UberLord
Retired Dev
Retired Dev


Joined: 18 Sep 2003
Posts: 6835
Location: Blighty
PostPosted: Mon Apr 10, 2006 4:51 pm    Post subject: Reply with quote
Why not write a udev rule to explicity name your devices?
_________________
Use dhcpcd for all your automated network configuration needs
Use dhcpcd-ui (GTK+/Qt) as your System Tray Network tool
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capira
Tux's lil' helper
Tux's lil' helper


Joined: 02 May 2005
Posts: 147
Location: Spain
PostPosted: Mon Apr 10, 2006 9:54 pm    Post subject: Reply with quote
I have no clue about how to do that ... udev really scare me. There is a workaround: I have created one net.ethX per each device and only set the one that I need, which is the wireless one.
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UberLord
Retired Dev
Retired Dev


Joined: 18 Sep 2003
Posts: 6835
Location: Blighty
PostPosted: Tue Apr 11, 2006 7:24 am    Post subject: Reply with quote
Bah! Here's one for you- save it as /etc/udev/rules.d/10-nic.rules
Code:
KERNEL=="eth[0-9]*", SYSFS{address}=="<your wireless mac address here in lower case>", NAME="wlan


Here's how to get the exact mac address
Code:
cat /sys/class/net/eth2/address


Where eth2 is currently your wireless adapter.
_________________
Use dhcpcd for all your automated network configuration needs
Use dhcpcd-ui (GTK+/Qt) as your System Tray Network tool
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capira
Tux's lil' helper
Tux's lil' helper


Joined: 02 May 2005
Posts: 147
Location: Spain
PostPosted: Tue Apr 11, 2006 3:51 pm    Post subject: Reply with quote
Thanks a lot, UberLord!

I have added the rule that you said an after reboot I got a new device called wlan, so I have deleted the other and just left the wlan one configure.
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