NetworkManager not working and wifi going rouge.
Until recently I was able to use my network card as prescribed but recently network manager has all but gone haywire on me. I have 3 connections opitions for my network now: "4BB800, 4BB800 again and 4BB8000 1", I KNOW the cards works because it connects at first now to the last one but disconnects for some reason seconds after connecting. WHAT IS GOING ON? I can provide some relevant information. I am running Slackware 14.2, I have a wireless external adapter, the TP link TL-WN722N. I know the firmware is working and the driver MUST BE INSTALLED Given the fact that I can ping google but as usual seconds after I do it, the connection is lost. I Know this must have something to do with the NetworkManager's handling of things but I am still kind of new to linux. When I run:
iwconfig: Code:
bash-4.3# iwconfig Code:
bash-4.3# ifconfig I recently disconnected my whole pc and had to bring it to the living room to do some things with a direct Ethernet connection, brought it back to my room and reconnected it. |
Literally it will connect and then seconds later MAKE SURE to disconnect.
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Watch the NetworkManager logging in a separate terminal window during the connection process and up until the wifi link fails. That might help with pinpointing the underlying issue. Assuming logging is to /var/log/messages, do
Code:
tail -f /var/log/messages |grep -i networkmanager |
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Network Manager connect/disconnect infinite loop EDIT /etc/NetworkManager/conf.d/00-dhcp-client.conf change from dhcpcd to dhclient See if this helps your issue. |
It's doing the same connect/disconnect in my installs too so I have to use wicd.
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I suggest the same as phalange. Some routers just don't like dhcpcd (and others don't like dhclient). The file they mention is well documented. You just comment out the dhcpcd line and uncomment the dhclient line and then possibly restart Network Manager (it might work without restarting it -- just try connecting to another network).
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I've resorted to wpa_supplicant (has a nice gui too, aptly named wpa_gui i autostart thru gksu)
I switch to network manager for wwan (gsm/gprs) and some one-off wlan and back to wpa_supplicant for usual wifi on home router or tether from phone HTH |
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