help! Heavy packetloss!
jsun at junsun.net
Mon Jan 19 01:09:59 EST 2004
What is the station firmware version? I have seen this problem v1.4.2.
On Sun, Jan 18, 2004 at 11:33:33AM -0800, Bud Smoker wrote:
> dear mailing list,
> i am experiencing issues w/ packetloss on a long range wireless ISP link.
> i get as low as 30% and as high as 60%. sometimes my syslog dumps strange TXEXC errors printing my HWADDR and the BSSID.
> i read a mail suggesting lowering the maxrate to 5.5M. this did nothing.
> i also get a lot of TX excessive retries.
> root at dell:~# iwconfig
> lo no wireless extensions.
> wlan0 IEEE 802.11b ESSID:"Interlink3608"
> Mode:Managed Frequency:2.422GHz Access Point: 00:02:2D:38:C8:6F
> Bit Rate=5.5Mb/s Tx-Power=24 dBm Sensitivity=1/3
> Retry min limit:8 RTS thr:off Fragment thr:off
> Encryption key:off
> Power Management:off
> Link Quality:42/92 Signal level:-66 dBm Noise level:-98 dBm
> Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
> ---> Tx excessive retries:2620 Invalid misc:15852 Missed beacon:0
> root at dell:~#
> as you can see the signal level should be strong enough to get fair/good signal.
> changing the output txpower rating does very little.
> here is output from ping :
> --- 188.8.131.52 ping statistics ---
> 499 packets transmitted, 266 packets received, 46% packet loss
> round-trip min/avg/max = 3.6/34.7/352.1 ms
> if there are any secret hacks or fine tuning i can do to reduce packet loss, please
> advise w/ any possible suggestions. so far my guess is this wireless ISP is designed to put an antenna on your roof, im using a portable 8dbi patch. maybe my antenna too weak?
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