Hi Nikos, Thanks for the suggestion. Please see updated patch. Cheers, Brian On Tue, Apr 14, 2015 at 10:20 PM, Nikos Mavrogiannopoulos <nmav at gnutls.org> wrote: > On Tue, 2015-04-14 at 00:25 +1000, Brian Chu wrote: >> Hi Nikos, >> >> On FreeBSD (and probably OpenBSD), when a user resumes a session using >> cookie (e.g. when quickly switching between Wi-Fi and 3G on a mobile >> device), we must first remove addresses from the old tun device before >> assigning them to the new tun device, otherwise the assignment may >> fail with something like "main: tun.c:197: tun1: Error setting IPv6: >> Address already in use". I have attached a patch to fix this issue. >> This problem was reported to me by hshh <hunreal at gmail.com>. > > Thanks. I think that this deallocation should be done in tun.c and then > be called by ip-leases. Something like reset_tun() or so. If you can > update the patch would be nice, otherwise I'll try to check it, next > week. > >> I'm not sure if the same behaviour is required on Linux -- probably >> not, since nobody has reported this problem so far. > > Most probably we would need to add some code for ipv6 in linux as well. > > regards, > Nikos > > -------------- next part -------------- A non-text attachment was scrubbed... Name: 0001-Remove-addresses-from-old-tun-device-when-stealing-l.patch Type: application/octet-stream Size: 2635 bytes Desc: not available URL: <http://lists.infradead.org/pipermail/openconnect-devel/attachments/20150415/72d72639/attachment.obj>
