Hello all, I have Neutron router of two interfaces DOWN problem, below is my home lab simple diagram and attached the Network Topology: Home Subnet = 172.28.0.0/16 Openstack host computer = 172.28.0.150 I created Neutron home network = 172.28.0.0/16 Neutron router = extneral gateway(DOWN): 172.28.0.200 and internat gateway(DOWN): 192.168.0.1 I created Neutron instance network = 192.168.0.0/24 Is my network settings problem? and I already assigned Floating IP for instance that wanna Openstack host computer can ping instance, what can I do? Thanks -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20150518/63c04fbc/attachment.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: 01.jpg Type: image/jpeg Size: 64952 bytes Desc: not available URL: <http://lists.openstack.org/pipermail/openstack/attachments/20150518/63c04fbc/attachment.jpg> -------------- next part -------------- A non-text attachment was scrubbed... Name: 02.jpg Type: image/jpeg Size: 72148 bytes Desc: not available URL: <http://lists.openstack.org/pipermail/openstack/attachments/20150518/63c04fbc/attachment-0001.jpg> -------------- next part -------------- A non-text attachment was scrubbed... Name: 03.jpg Type: image/jpeg Size: 101132 bytes Desc: not available URL: <http://lists.openstack.org/pipermail/openstack/attachments/20150518/63c04fbc/attachment-0002.jpg>