You can use the following method to solve the problem of slow Wifi connection speed in Ubuntu11.04. Method 1: Disable IPv6 to open the terminal and enter the command echo "# disableipv6" | sudotee-a/etc/sysctl. confecho "net. ipv6.conf. all. disable_ipv6 = 1 "| sudotee-a/etc/sysctl. confecho "net.
You can use the following method to solve the problem of slow Wifi connection speed in Ubuntu 11.04.
Method 1: Disable IPv6
Open the terminal and enter the following command:
echo "#disable ipv6" | sudo tee -a /etc/sysctl.confecho "net.ipv6.conf.all.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.confecho "net.ipv6.conf.default.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.confecho "net.ipv6.conf.lo.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.conf
Then restart the system.
Method 2:
If the preceding method does not work, use this method. Open the terminal and enter the following command:
sudo -sgksu gedit /etc/modprobe.d/ath9k.conf
At the end of the file, add:
options ath9k nohwcrypt=1
Save the file and restart the system.