[Madwifi-users] increase in Rx invalid nwid
Status: Beta
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From: saravanan c. <cha...@gm...> - 2008-10-27 10:05:54
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Hi all, Recently, I found that iwconfig shows increase in Rx invalid nwid on every 5 seconds approximately on my Intel IXP425 board running OpenWRT and OpenWRT's stable version of madwifi trunk 3314. Does the increase in Rx invalid nwid degrades the performance of the AP. ? and how can this be minimized or eliminated? Actually, there are 4 other AP's and 2 stations within the same hall and iwconfig shows root@OpenWrt:/# iwconfig lo no wireless extensions. eth0 no wireless extensions. eth1 no wireless extensions. br-lan no wireless extensions. wifi0 no wireless extensions. ath0 IEEE 802.11g ESSID:"OpenWrt" Nickname:"" Mode:Master Frequency:2.437 GHz Access Point: 00:0B:6B:09:2E:66 Bit Rate:0 kb/s Tx-Power:19 dBm Sensitivity=1/1 Retry:off RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=53/70 Signal level=-43 dBm Noise level=-96 dBm *Rx invalid nwid:44877* Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 dmesg shows .... wlan: trunk ath_hal: module license 'Proprietary' taints kernel. ath_hal: 2008-10-02 (AR5210, AR5211, AR5212, AR5416, RF5111, RF5112, RF2413, RF5413, RF2133, RF2425, REGOPS_FUNC, DFS, X R) ath_rate_minstrel: Minstrel automatic rate control algorithm 1.2 (trunk) ath_rate_minstrel: look around rate set to 10% ath_rate_minstrel: EWMA rolloff level set to 75% ath_rate_minstrel: max segment size in the mrr set to 6000 us wlan: mac acl policy registered ath_pci: trunk PCI: enabling device 0000:00:0f.0 (0340 -> 0342) Atheros HAL provided by OpenWrt, DD-WRT and MakSat Technologies wifi0: 11a rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps wifi0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps wifi0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps wifi0: turboA rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps wifi0: turboG rates: 6Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps wifi0: H/W encryption support: WEP AES AES_CCM TKIP ath_pci: wifi0: Atheros 5212: mem=0x48000000, irq=28 any idea to eliminate this enormous increase ? |