At work i have to connect to a guest wireless network. This usually requires me to acces 18.104.22.168/login.html to complete the connection using a set username and password that changes every week. I see the guest wi-fi on the list of available networks, I click on it, trys to connect and never does. Eventually it says offline again. Never bringing me to login page listed above. Any ideas.
BTW - I was able to login to my private wi-fi network at home with no problems. I also tried it at Starbucks today and had no issues.
I also tried to login to this Guest Wi-Fi using a windows machine and had no issues either.
Not sure what to check since I an ubuntu virgin (only 3 days old). i did look in the System Settings>Software&updates>additional drivers> and noticed a was using the following:
Broadcom 802.11 Linux STA Wireless driver source from bcmwl-kernel-source (proprietary) was selected. No other options were available under wirelessbg/n controller.
LP#1010931 14e4:4727 [Dell Vostro 3555] Broadcom BCM4313 5GHz doesn't work but 2.4GHz does
The root cause is the card is single-band only, so it would never broadcast at 5GHz. To fix the 14e4:4727 on Ubuntu Trusty 14.04, uses brcmsmac :
sudo apt-get purge bcmwl-kernel-source sudo apt-get install linux-firmware-nonfree Then you need to blacklist b43 and wl driver like this:
echo "blacklist b43" | sudo tee -a /etc/modprobe.d/blacklist.conf echo "blacklist wl" | sudo tee -a /etc/modprobe.d/blacklist.conf
sudo modprobe -r b43 wl brcmsmac sudo modprobe brcmsmac echo "brcmsmac" | sudo tee -a /etc/modules