OpenWrt Forum Archive

Topic: wifi connexion becomes very slow (Kamikaze on a WRT54GL)

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Post #1
ThibG
8 Mar 2009, 22:59

Hi,
I've just received my WRT54GL and I installed openwrt on it.
Apart from the port forwarding thing for LAN -> WAN IP connexions, all seemed to work fine.
But that's not the case...

#iwconfig wl0
wl0       IEEE 802.11-DS  ESSID:"OpenWrt"  
          Mode:Master  Frequency:2.437 GHz  Access Point: 00:23:69:25:E4:EC   
          Bit Rate=5.5 Mb/s   Tx-Power:32 dBm   
          Retry min limit:7   RTS thr:off   Fragment thr:off
          Link Quality:5  Signal level:0  Noise level:161
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:47896  Invalid misc:0   Missed beacon:0

I don't know why it does that, but it does that after some time.

After a

#ifconfig wl0 down
#ifconfig wl0 up

Here is what I get :

#iwconfig wl0
wl0       IEEE 802.11-DS  ESSID:"OpenWrt"  
          Mode:Master  Frequency:2.437 GHz  Access Point: 00:23:69:25:E4:EC   
          Bit Rate=36 Mb/s   Tx-Power:32 dBm   
          Retry min limit:7   RTS thr:off   Fragment thr:off
          Link Quality:5  Signal level:0  Noise level:162
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:47907  Invalid misc:0   Missed beacon:0

Where does it come from? How to fix it?

Post #2
ThibG
9 Mar 2009, 08:20

For the Bit Rate part, I played with the wl utility in order to set it at 54Mb/s. It worked a bit better, but the "Tx excessive retries" value increased even more quickly.

The discussion might have continued from here.