You have IP forwarding enabled? Did you create br-ex bridge and associated the external as a port to it?
On Fri, Sep 27, 2013 at 3:33 PM, Jeff Cai <[email protected]> wrote: > Hi,**** > > ** ** > > I set up openstack environment on Ubuntu 12.0.4 with 3 nodes according to > the starter guide on docs.openstack.org. Everything works well except > that the VM instances cannot connect to outside. Among VM instances they > can connect to each other.**** > > ** ** > > Attached the network diagram:**** > > ** ** > > **** > > ** ** > > In VM, it can ping the demo-router address 10.5.5.1 (internal) and > 10.200.29.33 (external). But it cannot ping out the other external > addresses.**** > > ** ** > > Both the public and demo-net network work normally:**** > > ** ** > > Project Network Name Subnets Associated > Shared Status Admin State**** > > admin public public-subnet 10.200.29.0/24 > No Active Up**** > > demo demo-net demo-net-subnet 10.5.5.0/24 > No Active Up**** > > ** ** > > But the port where the demo router is DOWN**** > > ** ** > > ** ** > > (bd10e227) 10.200.29.33 > network:router_gateway DOWN UP**** > > ** ** > > ** ** > > The port info:**** > > ** ** > Port**** > ------------------------------ > > Name**** > > None**** > > ID**** > > bd10e227-8f83-4804-9f68-a0e643e451e5**** > > Network ID**** > > d415febb-b387-40e0-9416-32c1b19d5b46<http://10.200.29.31/horizon/project/networks/d415febb-b387-40e0-9416-32c1b19d5b46/detail> > **** > > Project ID**** > > -**** > > Fixed IP**** > > *IP address:* 10.200.29.33, *Subnet ID*6781dfdc-508b-46c3-89ce-5624f95448d0 > **** > > Mac Address**** > > fa:16:3e:e2:b2:b3**** > > Status**** > > DOWN**** > > Admin State**** > > UP**** > > Attached Device**** > > *Device Owner*: network:router_gateway**** > > *Device ID*: 5d43330d-c0ee-4bd5-a76f-b15daad1df2e**** > > ** ** > > ** ** > > Could anyone please give me some clues to solve this problem?**** > > ** ** > > Best Regards**** > > * * > > *Jeff Cai* > > * > > ***** > > _______________________________________________ > OpenStack-dev mailing list > [email protected] > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > >
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