Internet connection is very slow on Karmic Koala-Solution-

9.10 with all these issues is sounding very much like windows vista.
I guess they wanted to make something diferent, but did not go as good as they thought it would, comparing with other ubuntu releases.

More likely it is ipv6 (tho ipv6 fans will ofcourse boohoo that)

to verify:

lsmod |grep v6

on debian systems to disable:

add the word 'off' to "/etc/modprobe.d/aliases" file ; then reboot and voila

alias net-pf-10 off ipv6

also go into firefox, use about:config
search for ipv6 and tell it false.

I truly doubt you have an ipv6 router, and most likely your ISP isnt using it, but opendns from what I recall does, which is why you 'think' your issue is fixed.

Long live Slackware

Can be that the wireless drivers are broken in karmic koala, i agree with you that Slackware is most stable also for debian.

Manual entry of dns drastically sped up my internet experience. Thank you, and please report when we learn why dynamic is not properly functioning. - C

If changing the dns fixes it, it's not ubuntu's fault. Either the fix is not appropriate or you don't know what you are trying to fix. Not really helpful this kind of blogging,

I can say that is a temporary fix for the issue, i have many operating systems installed on the same machine, and all working just fine, when it comes to karmic the connection become 2 slow,first i visited some forums to see if someone else is fronting this issue and i found many ones with same issue in karmic, most diden`t have a solution for the problem, Until this bug is resolved will use this temporary solution, for me worked fine, for others too. Read the bug comments here : https://bugs.launchpad.net/ubuntu/+bug/433972< /a>

I second that. Your ISP should provide you with appropriate nameservers.

If IPv6 compatibility bothers you I suggest you look into uninstalling related packages, just a thought..

I third that. Your slow DNS has ABSOLUTELY NOTHING TO DO with Ubuntu, and posting this erroneous information is completely irresponsible.

There is no ipv6 issue, when Ubuntu boots and doesn't find any ipv6 routers present, its disabled. Btw, the blocking ipv6 solution given by a posted above doesn't work since Jaunty as ipv6 support is built into the kernel. To disable it totally, you have to add these following lines to /etc/default/grub

In place of GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" make it GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1 quiet splash"

And to the person criticizing for spelling in the post above, let me remind you that outside the western world English, however you may think is not the standard language so if there was an error on the author's part, for pete's sake, grow up. This isn't a language or grammar forum, this is after all a tech forum.

I left rebooting behind with win 98. Just alt+F2 and killall gnome-panel.

Regarding Wikipedia and other on-line dictioanries

Connexion is the original and variant spelling of "connection", common until at least the 19th century, and still used in British English. It is derived from the Latin connexio, hence the spelling, unlike most words ending in "-ction" which are derived from Latin words ending in "-ctio" (e.g. "protection" from protectio).

Mmm...since when do you have to reboot Linux to change network(or pretty much any) settings?

You need to reboot because it is a kernel setting.
You cannot make changes to kernel settings and have them apply live (unless you use kexec or ksplice, but they wouldnt work for this, rather kernel patching and new kernels)

https://bugs.launchpad.net/ubuntu/+source/glibc /+bug/417757/comments/13

explains a much better fix for firefox