Updated-14/10/2013: If after installing or upgrading to ubuntu 13.10 Saucy Salamander. if you noticed a slow connexion when using the wifi, this is a simple solution. This solution works also for LinuxMint13 and above.
1- First Method:
A second The first solution for the slow connexion issue can be by using the following :
Open terminal and enter the following command:
sudo -s gksu gedit /etc/modprobe.d/ath9k.conf
at the end of the file add this:
options ath9k nohwcrypt=1
Save an restart your OS.
If you still have the issue of slow connexion, then try instructions on step 2.
2- Second Method:
This method involves forcing iwlagn to not use n, the commands will disable n on the device without making it a permanant change, check first if this work for you, if you notice that the speed improved then continue to make the change permanant. If this solution didn`t work for you, then reboot your computer to revert the chnages.
sudo rmmod -f iwlagn sudo modprobe iwlagn 11n_disable=1
If you notice that the wifi speed improved, then make the change permanent :
gksudo gedit /etc/modprobe.d/iwlagn-disable11n.conf
and add this line to the file:
options iwlagn 11n_disable=1
save & quit
3- Third method to resolve the slow connexion issue: You need to disactivate IPv6, to do that, open terminal and enter the following commands:
echo "#disable ipv6" | sudo tee -a /etc/sysctl.conf echo "net.ipv6.conf.all.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.conf echo "net.ipv6.conf.default.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.conf echo "net.ipv6.conf.lo.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.conf
Then restart your system.
Please report if the solution discribed in this post worked for you by commenting this post. Thanks for your help.
1 &2 Via | lffl