Slow WLAN on Fedora 15

[nargin]

Hi!

I installed Fedara 15 yesterday. I was running Fedora 13 before. Since I did the fresh install, my wireless network runs really really slow, i.e. a few KBs every 30 seconds whereas it ran at full speed in F13. I couldn't find the reason for it. I now tried the live-CD for Fedora 14 and it runs at full speed out of the box (whereas F15 is slow even with all updates installed).
Does somebody know a solution?

Laptop: Lenovo X201
Network Card: Ultimate-N 6300

I gathered uname, iwconfig, lspci and dmesg output for both, Fedara 15 and Fedora 14. But as the number of links is limited here in the forum they're all linked here:
http://bin.jebdev.net/fedora/index

Thanks for your help,
nargin

[amila325]

hi change /etc/rc.local file as root and add these two lines.

iwconfig wlan0 rate 54M
exit 0

this worked for me though

[gaunt1969]

Originally Posted by amila325

hi change /etc/rc.local file as root and add these two lines.

iwconfig wlan0 rate 54M
exit 0

this worked for me though

I have the same trble but this did not do it for me still slow

[fibster]

Works fine thank you