Cannot Connect to MY Network

Questions about WIFI networks and devices
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Cannot Connect to MY Network

Postby stingray on Wed May 02, 2012 9:00 am

I have a wireless network in my house that I cannot easily connect to. The computer sees the network and tries to connect but fails. Sometimes it would connect within 5 minutes, sometimes it took hours. But I was always able to connect eventually and once connected it stayed connected. I was using Xubuntu but after upgrading to 12.04 I couldn't connect at all. I was already thinking about switching distros so this was the final straw. I was able do connect with the Install DVD so I installed. However, I haven't been able to connect since installing. I can connect to other (open) networks around me and other computers have no problem connecting to my network.

This is a clean 64 bit LMDE (201204) installation. I still have a Ubuntu 10.10 LiveCD and the wireless works perfectly.

My wireless card is an Encore ENLWI-N which has the Ralink RT2860 chipset. The correct driver seems to be rt2800pci. I checked when connected and this is the driver used on the various distros when I was successfully connected. I'm so annoyed I'm considering just buying a new wireless card but I'm sure there's a way to fix this.

Here is the mintwifi output. I'm currently using a USB wireless device to connect which shows up as wlan1.
Code: Select all
* I. scanning WIFI PCI devices...
  -- Ralink corp. RT2800 802.11n PCI
      ==> PCI ID = 1814:0601
-------------------------
* II. querying ndiswrapper...
-------------------------
* III. querying iwconfig...
lo        no wireless extensions.

wlan1     IEEE 802.11bgn  ESSID:"My Network" 
          Mode:Managed  Frequency:2.437 GHz  Access Point: redacted
          Bit Rate=54 Mb/s   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=0/70  Signal level=-128 dBm 
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:2  Invalid misc:58   Missed beacon:0

eth1      no wireless extensions.

wlan0     IEEE 802.11bgn  ESSID:off/any 
          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
         
-------------------------
* IV. querying ifconfig...
eth1      Link encap:Ethernet  HWaddr redacted
          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:41 Base address:0xa000

lo        Link encap:Local Loopback 
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:160 errors:0 dropped:0 overruns:0 frame:0
          TX packets:160 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:13200 (12.8 KiB)  TX bytes:13200 (12.8 KiB)

wlan0     Link encap:Ethernet  HWaddr redacted
          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)

wlan1     Link encap:Ethernet  HWaddr redacted 
          inet addr:192.168.2.106  Bcast:192.168.2.255  Mask:255.255.255.0
          inet6 addr: fe80::20c:43ff:fea5:7141/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3075 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2020 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:4163050 (3.9 MiB)  TX bytes:264717 (258.5 KiB)

-------------------------
* V. querying DHCP...
Reloading /etc/samba/smb.conf: smbd only.
RTNETLINK answers: File exists
-------------------------
* VI. querying nslookup google.com...
Server:      24.196.64.53
Address:   24.196.64.53#53

Non-authoritative answer:
Name:   google.com
Address: 74.125.225.73
Name:   google.com
Address: 74.125.225.78
Name:   google.com
Address: 74.125.225.66
Name:   google.com
Address: 74.125.225.67
Name:   google.com
Address: 74.125.225.65
Name:   google.com
Address: 74.125.225.70
Name:   google.com
Address: 74.125.225.71
Name:   google.com
Address: 74.125.225.69
Name:   google.com
Address: 74.125.225.72
Name:   google.com
Address: 74.125.225.64
Name:   google.com
Address: 74.125.225.68


Help.
stingray
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Re: Cannot Connect to MY Network

Postby ens on Tue May 08, 2012 10:47 am

i had similar problem with rt61pci card, connection ok but freeze after a while.
this is what i did and solved problem once for all.

1- disabled network-manager
Code: Select all
sudo /etc/init.d/network-manager stop


2-created /etc/resolv.conf
Code: Select all
sudo nano /etc/resolv.conf

and added:
Code: Select all
nameserver 192.168.1.1

3- edited /etc/network/interfaces
Code: Select all
sudo nano /etc/network/interfaces


(this is for wpa/wpa2 with static ip)
Code: Select all
# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0
#NetworkManager#iface eth0 inet dhcp
#allow-hotplug wlan0
auto wlan0
iface wlan0 inet static
      address 192.168.1.36
      netmask 255.255.255.0
      gateway 192.168.1.1
      wpa-ssid nameofwifinetwork
      wpa-psk hereismypassword


4-Revoking read-permission from 'others'
Code: Select all
sudo chmod o=-r /etc/network/interfaces


5-restart networking

that's all.
this worked on both 2012 lmde's version, clean install.
if it doesn't work try dhcp instead static ip then change it again after upgrade.
i used sysv-rc-conf for permanent disable network-manager.
hope it helps.
ens
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Joined: Mon Nov 28, 2011 2:48 pm


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