Monday, January 10, 2011

Command Line Wi-Fi for Fedora

[rajat@localhost ~]$ uname -a
Linux localhost.localdomain 2.6.35.6-45.fc14.i686 #1 SMP Mon Oct 18 23:56:17 UTC 2010 i686 i686 i386 GNU/Linux


[root@localhost rajat]# iwlist eth1 scan
eth1      Scan completed :
          Cell 01 - Address: 00:90:4C:91:00:01
                    ESSID:"DevEnablers"
                    Mode:Managed
                    Frequency:2.437 GHz (Channel 6)
                    Quality:1/5  Signal level:-82 dBm  Noise level:-93 dBm
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    Encryption key:on
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
                              12 Mb/s; 48 Mb/s
what is available in your area.

#iwconfig eth1 essid network-essid

ESSID your route name
NETWORK-ESSID An SSID is a 32-character alphanumeric key uniquely identifying a wireless LAN.

#iwconfig eth1 freq 2.422G
#iwconfig eth1 channel 6


Frequency:2.437 GHz (Channel 6)

iwlist eth1 frequency
eth1      13 channels in total; available frequencies :
          Channel 01 : 2.412 GHz
          Channel 02 : 2.417 GHz
          Channel 03 : 2.422 GHz
          Channel 04 : 2.427 GHz
          Channel 05 : 2.432 GHz
          Channel 06 : 2.437 GHz
          Channel 07 : 2.442 GHz
          Channel 08 : 2.447 GHz
          Channel 09 : 2.452 GHz
          Channel 10 : 2.457 GHz
          Channel 11 : 2.462 GHz
          Channel 12 : 2.467 GHz
          Channel 13 : 2.472 GHz
          Current Channel:6

[root@localhost rajat]# iwlist eth1 bitrate
eth1      12 available bit-rates :
      1 Mb/s
      2 Mb/s
      5.5 Mb/s
      6 Mb/s
      9 Mb/s
      11 Mb/s
      12 Mb/s
      18 Mb/s
      24 Mb/s
      36 Mb/s
      48 Mb/s
      54 Mb/s
          Current Bit Rate=8 Mb/s

Set the maximum number of retries

#iwlist eth1 retry 8

Set maximum lifetime 300 millisecond

#iwconfig eth1 retry lifetime 300m

Set maximum fragment size

#iwconfig eth1 frag 512

Some cards may not apply these settings changes immediately.

#iwconfig eth1 commit
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