Description of problem: When using IPv6, NetworkManager appears to not actively manage the IPv6 side of the fence. As a result, it seems that an IPv6 address only gets set once a gratuitous RA announcement is seen, and on switching networks (say different WLANs) the old address sticks around. This means the IPv6 network is unavailable for an appreciable fraction of an hour. Version-Release number of selected component (if applicable): NetworkManager-0.8.1-10.git20100831.fc14.x86_64 kde-plasma-networkmanagement-0.9-0.28.20101011.fc14.x86_64 How reproducible: Every time Steps to Reproduce: 1. Associate to a IPv6-capable WLAN 2. Wait (frequently long) for an IPv6 address to appear 3. Associate to another IPv6-capable WLAN 4. Observe the IPv6 address is now stale.
Once upon a time (commit a888de7e) NM would remove all the IP addresses from the device when taking it down. And then it would re-add the link-local address when it reconnects. Now, it seems to leave the stale IPv6 address obtained by RA, when it takes the interface down. And even when it reconnects to the *new* network. Thus, you keep your stale IPv6 address from the old network until it times out and you pick up a new one.
I just fixed a bug that might leave these around when taking down the device; can you try out latest updates? https://admin.fedoraproject.org/updates/NetworkManager-0.8.3.995-1.fc13 https://admin.fedoraproject.org/updates/NetworkManager-0.8.3.995-1.fc14 The catch is that the fix only takes care of the case where IPv6 was tried and failed for some reason; previously NM would leave any routes and addresses that were obtained before the failure in-place. Now they are correctly flushed when the device goes down. Do those updates fix the issue? If not, you can run NM like so: NetworkManager --no-daemon --log-level=debug and you'll get a whole slew of information about the address and routing configuration process that I can use to debug the issue. Thanks!
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Fedora 13 changed to end-of-life (EOL) status on 2011-06-25. Fedora 13 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.