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Binary package hint: gnome-system-tools
Version: Dapper Drake 6.06 LTS i386
Steps to replicate:
1.) Boot with "old" access point configuration:
(HOMEACCESSPOINT, note - no WEP key)
$ cat /etc/network/interfaces
auto eth1
iface eth1 inet dhcp
wireless-essid HOMEACCESSPOINT
2.) Scan to find "new" access point essid:
$ iwlist eth1 scanning
eth1 Scan completed :
Cell 01 - Address: 00:20:A6:62:3E:11
ESSID:"WORKACCESSPOINT"
Protocol:IEEE 802.11bg
Mode:Master
Channel:6
Encryption key:on
Bit Rates:54 Mb/s
Extra: Rates (Mb/s): 1 2 5.5 9 11 6 12 18 24 36 48 54
Quality=100/100 Signal level=-159 dBm
Extra: Last beacon: 48ms ago
3.) Run network-admin and configure:
$ gksu network-admin
Network name (ESSID): WORKACCESSPOINT
Key type: Plain (ASCII)
WEP key: WORKWEPKEY
Connection settings:
Configuration: DHCP
4.) After OK (twice) and a few minutes delay until network-admin closes:
But no IP address. I then check config:
$ cat /etc/network/interfaces
auto eth1
iface eth1 inet dhcp
wireless-essid WORKACCESSPOINT
wireless-key s:WORKWEPKEY
5.) Looks ok, so I try restarting networking:
$ sudo /etc/init.d/networking restart
One of the last messages is:
No DHCPOFFERS received.
6.) Make no changes and reboot
Then authenticates to access point and works great,
*** OR *****
6. (alternate) specify essid, channel, and key
$ sudo ifdown eth1
$ sudo iwconfig eth1 essid "WORKACCESSPOINT" key s:WORKWEPKEY channel 6
$ sudo ifup eth1
Then authenticates to access point and works great,
Expected behavior:
After changing configuration in network-admin, the new configuration settings
should be used, just like they are used during boot.
I do know that doing iwconfig without explicitly setting "channel n" would not
result in a connection. Not sure if it is relevant, HOMEACCESSPOINT is on a
different channel than WORKACCESSPOINT, and HOMEACCESSPOINT does not have a WEP
key whereas WORKACCESSPOINT does. When I go the other direction, use Wi-Fi at
home, I need to do:
$ sudo iwconfig eth1 essid "HOMEACCESSPOINT" key off channel 1
Hardware: HP Pavilion zx5078cl
$ lspci |grep Broadcom
0000:02:02.0 Network controller: Broadcom Corporation BCM4306 802.11b/g
Wireless LAN Controller (rev 03)
** Affects: gnome-system-tools (Ubuntu)
Importance: Low
Assignee: Ubuntu Desktop Bugs
Status: Unconfirmed
** Tags: essid iwconfig network-admin reboot restart wep wi-fi
--
Changing ESSID requires reboot or, or manual iwconfig for changes to take effect
https://bugs.launchpad.net/bugs/80499
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