Thanks so much, Flavio. Your suggestions helped a lot in my debugging. It turned out that Docker/LXC was messing up with source address setting via "ip route change" on Ubuntu 14.04. After uninstalling Docker/LXC, it worked.
Thanks Changbin On Fri, Jun 6, 2014 at 1:49 PM, Flavio Leitner <f...@redhat.com> wrote: > On Wed, Jun 04, 2014 at 12:25:46AM -0400, Changbin Liu wrote: > > It appears that we can change source address via updating the routing > table. > > > > > http://www.symantec.com/business/support/index?page=content&id=HOWTO58872 > > > > But somehow it doesn't work on Ubuntu 14.04. Maybe I missed something. > > > > So right now, manually I first delete the default IP on the interface, > and > > then update the routing table. I don't have an automated solution yet. > > > > Any ideas? > > I am not sure about the exact steps you did but replacing the > route to change the src addr is something quite old, so it would > surprise me if Ubuntu doesn't work yet. > > Anyway, you have to keep in mind two things: > 1) route does have a cache, you might want to flush it after > updating the route. > > You can check the current config with: > # ip route get <network>/<netmask> > > or flush the cache if needed: > # ip route flush all > > See ip-route man-page for details. > > 2) I am quite sure that sockets with on-going traffic may take > sometime to see the update. So, try first with new sockets. > > fbl > > > Thanks > > > > Changbin > > > > > > On Wed, Jun 4, 2014 at 12:15 AM, Vasiliy Tolstov <v.tols...@selfip.ru> > > wrote: > > > > > 2014-06-04 8:12 GMT+04:00 Changbin Liu <changbin....@gmail.com>: > > > > I figured out the issue. For those who are interested in using VIP as > > > VXLAN > > > > endpoint IP: after the backup node takes over VIP, its "source > address" > > > also > > > > needs to be updated. By default (I tested with Ubuntu 14.04 OS), the > > > bakcup > > > > node's source address keeps unchanged. That explains why my VXLAN > tunnels > > > > did not work previously. > > > > > > > > > And how you solve source address change? > > > > > > -- > > > Vasiliy Tolstov, > > > e-mail: v.tols...@selfip.ru > > > jabber: v...@selfip.ru > > > > > > _______________________________________________ > > dev mailing list > > dev@openvswitch.org > > http://openvswitch.org/mailman/listinfo/dev > >
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