You have been subscribed to a public bug by Jamie Strandboge (jdstrand):
Binary package hint: network-manager
if one plugs in a device that uses an IP connection (my example - an O2
phone running Windows CE) - networkmanager detects a wired connection
and disables all wireless. This is disruptive.
I have several wireless connections in my house - some work, some are meant for
testing only. Repeatedly the wireless connection disconnects the working one
and switches to a nonworking one. No further information.
FIX: blacklist networks. MUST be able to blacklist wireless networks!
Note: this IS a security danger. It's possible to switch from a secure
corporate network to an unsecure wireless if the unsecure seems to have
stronger signal. It is possible to hijack wireless systems this way.
(tested and the bug's always been present in NetworkManager).
Should also be able to restrict to preferred networks only.
(if the non-roaming supported WPA, this wouldn't be a problem)
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
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NetworkManager picks unconnected wired devices over working wireless - as well
as picking nonworking wireless over working wireless
https://bugs.launchpad.net/bugs/249485
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