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View Full Version : [ubuntu] wifi in Lenovo 3000 G230 using Jaunty



arc sol
July 30th, 2009, 09:59 AM
so i've been reading the so many threads here on wifi setup and i don't know where to start.

situation: i can connect to my home network with no problem but i always get dropped out while using the office network e.g. it runs, then the connection randomly dies. running sudo iwlist eth1 scan on both networks yield the following:

Home network:


eth1 Scan completed :
Cell 01 - Address: 00:1D:7E:F6:AE:64
ESSID:[home network]
Mode:Managed
Frequency:2.462 GHz (Channel 11)
Quality:3/5 Signal level:-68 dBm Noise level:-92 dBm
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Preauthentication Supported
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
12 Mb/s; 24 Mb/s; 36 Mb/s; 9 Mb/s; 18 Mb/s
48 Mb/s; 54 Mb/s


Office network:


eth1 Scan completed :
Cell 01 - Address: 00:1E:58:E9:48:DD
ESSID:"Office network"
Mode:Managed
Frequency:2.422 GHz (Channel 3)
Quality:5/5 Signal level:-43 dBm Noise level:-92 dBm
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD7F0050F204104A0001101044000102103B00010310470010 55F30CEEECE73323A9D2D4D73D0970921021000E442D4C696E 6B2053797374656D73102300074449522D3635351024000241 33104200046E6F6E651054000800060050F204000110110017 587472656D65204E204749474142495420526F757465721008 00020004
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s


lspci yields the following



1:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5906M Fast Ethernet PCI Express (rev 02)
02:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g (rev 01)


i'm using the proprietary drivers from broadcom. also, i am not at liberty to monkey around with either wifi routers - a lot of people will get hit if ever.

thank you for your input.