Setting back to Fix Released -- Motin is correct, the "Use this
connection..." is what should be checked to achieve the expected
behavior.
If you're still getting issues or segfaults, please file a separate bug
report so we can fix those. Thanks!
** Changed in: network-manager (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/278485
Title:
If Ubuntu is connected to more than one network (e.g. GSM and
wireless) but only GSM has internet access, OS is unable to access
internet. NM version 0.7.
Status in “network-manager” package in Ubuntu:
Fix Released
Bug description:
Using NM 0.7 in Hardy (via ppa). I stumbled upon this bug as I am currently
without DSL access and have to resort to my GSM connection (through a vodafon
modem). The wireless network also allows me to access other computers in the
network, so even without internet access it can be useful.
NM is able to handle both connections flawlessly, one at a time. However, if
I try to stay connected to both, I am unable to have internet access.
Considering that the tray icon status indicates connection to the wireless
network, I am inclined to think that NM considers the wireless network more
reliable by default and tries to connect to the internet ONLY through it. As
this program manages all connections in the OS, this means that every program
(including even cli ones such as ping and traceroute) try to reach the net only
using the wireless, and local only, network.
As soon as I disable wireless access, I am able to reach the web -
even if the modem had been connected to the GSM network all the time.
This could stem from the fact that AFAIK NM is unable to determine if
a connection is local only or instead provides internet access.
Desired behaviour: the same I get in Windows Vista. Its connection
manager is able to determine whether a connection is local only or
provides internet access (maybe pinging some servers or the DNS
server?). Moreover, if I connect to two networks at the same time, as
in the example above, it can correctly determine which one is
functional. Therefore, the user is able to stay connected to more than
one network at a time and still have internet access.
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