[openstack-dev] [Neutron] Problem connecting from host to router and VM port under DevStack

Paul Michali pcm at cisco.com
Wed Nov 27 21:14:32 UTC 2013


I had this working once, but after rebooting my host and restarting devstack, I cannot get it to work. Hoping someone has an idea…

Running latest devstack with OVS and GRE tunnels.

In Openstack, I added a network, subnet, and router, and have opened up security groups:

neutron net-create mgmt
neutron subnet-create --disable-dhcp --name=mgmt-subnet mgmt
neutron router-create router2
neutron router-interface-add router2 mgmt-subnet
sudo ovs-vsctl add-port br-int my_port tag=2 -- set interface my_port type=internal
sudo ifconfig my_port up
nova secgroup-add-rule default icmp -1 -1
nova secgroup-add-rule default tcp 22 22

From the host, I cannot ping the router interface (, nor can I ping the host ( from the router's namespace. I had created a VM with an interface on the subnet (, and I can ping the router from the VM and vice versa.

With the private and public network, I can ping the router from the host w/o any issue.

Any idea as to what I'm missing?


PCM (Paul Michali)

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