Wireless on Slackware 13.1: ADDRCONF(NETDEV_UP): wlan0: link is not ready (solved)

DHOCNETSAFE
Lama gak pernah make wireless semenjak upgrade dari slackware 13.0 ke slackware 13.1. Dan waktu pengen nyoba'in.... apa yang terjadiiiiii.......... ????

root@tuxventura:/home/cupucupu# iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

vboxnet0  no wireless extensions.

wlan0     IEEE 802.11bg  Mode:Managed  Access Point: Not-Associated  
          Tx-Power=20 dBm  
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off



root@tuxventura:/home/cupucupu# dhcpcd wlan0
dhcpcd: version 5.2.2 starting
dhcpcd: wlan0: waiting for carrier
dhcpcd: timed out
dhcpcd: allowing 8 seconds for IPv4LL timeout
dhcpcd: timed out
root@tuxventura:/home/cupucupu#

Dhcp gak jalan..., ooops... napa nih.... ???
Padahal waktu pake scann dia mau. Kalo driver yang bermasalah pasti wlan0 gak bakal kedetek dan scanning pasti gagal. Tapi kali ini scanning berjalan normal gak ada error.

Info:
** Semenjak aku pake slackware versi 13.0, RTL8187B secara otomatis sudah dikenali *kernel 2.6.3x*. Jadi udah gak perlu lagi instal-instal driver. Untuk komputer atau distro yang lain sepertinya sama aja.. :D **

root@tuxventura:/home/cupucupu# iwlist wlan0 scann
wlan0     Scan completed :

          Cell 01 - Address: 00:40:10:10:00:03
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=70/70  Signal level=-27 dBm 
                    Encryption key:off
                    ESSID:"Nusaindah.net-Hotspot"
                    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
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                    Mode:Master
                    Extra:tsf=000000157a62cf2e
                    Extra: Last beacon: 964ms ago
                    IE: Unknown: 00154E757361696E6461682E6E65742D486F7473706F74
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030106
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD06001018020100

Nah, bagaimana cara mengkoneksikan perangkat kita ke jaringan ?
Sebelumnya, ini properti sistem dan hardware yang aku gunakan sebagai gambaran, :)

cupucupu@tuxventura:~$ uname -a
Linux tuxventura 2.6.33.4-smp #2 SMP Wed May 12 22:47:36 CDT 2010 i686 Pentium(R) Dual-Core CPU       T4300  @ 2.10GHz GenuineIntel GNU/Linux
cupucupu@tuxventura:~$ lsusb
-bash: lsusb: command not found
cupucupu@tuxventura:~$ su
Password:
root@tuxventura:/home/cupucupu# lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 5986:0300 Acer, Inc
Bus 001 Device 003: ID 0951:1624 Kingston Technology
Bus 001 Device 005: ID 0bda:8189 Realtek Semiconductor Corp. RTL8187B Wireless 802.11g 54Mbps Network Adapter
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 04f3:0216 Elan Microelectronics Corp.
root@tuxventura:/home/cupucupu# dmesg | tail
    (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
phy0: Selected rate control algorithm 'minstrel'
phy0: hwaddr 00:25:d3:2d:a1:f5, RTL8187BvE V0 + rtl8225z2, rfkill mask 2
rtl8187: Customer ID is 0x00
Registered led device: rtl8187-phy0::radio
Registered led device: rtl8187-phy0::tx
Registered led device: rtl8187-phy0::rx
rtl8187: wireless switch is on
usbcore: registered new interface driver rtl8187
ADDRCONF(NETDEV_UP): wlan0: link is not ready
root@tuxventura:/home/cupucupu#

Untuk mengkoneksikan perangkat kita ke jaringan, kita hanya perlu mengeset essid. Samakan essid kita dengan essid milik jaringan yang ingin kita tumpangi...

Perintahnya:

root@tuxventura:/home/cupucupu# iwconfig wlan0 essid "Nusaindah.net-Hotspot"
root@tuxventura:/home/cupucupu# iwconfig wlan0
wlan0     IEEE 802.11bg  ESSID:"Nusaindah.net-Hotspot" 
          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm  
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
         
root@tuxventura:/home/cupucupu#

Ya, hanya itu. Dan masalah langsung hilang... :)


Hmmm... terlihat kalo dari 4 paket ICMP yang dikirimkan, semuanya gagal !
Itu dikarenakan aku belum login dijaringan, hehehe... :P


Ini ni yang abis login ... :)


Sempet bingung juga sebelumnya, soalnya waktu make slackware 13.0, saat wireless diaktifkan (wireless gak langsung nyala waktu booting) dhcp langsung bisa digunakan. Essid secara otomatis di-set oleh sistem. Tapi di slackware 13.1 essid harus di-set secara manual. Huffttt.... (@.@)

Alamat terkait:
    http://www.slackware.com
    http://linuxmanpages.com/man8/iwconfig.8.php
    http://linuxmanpages.com/man8/iwlist.8.php
    http://linuxmanpages.com/man8/dhcpcd.8.php
    http://opensource.telkomspeedy.com/wiki/index.php/Wireless_Internet_Berbasis_WiFi

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