[Openstack-operators] about network configuration

applyhhj applyhhj at 163.com
Thu Sep 10 14:31:29 UTC 2015

Hi Everyone,
   I am new to openstack. When following the Install Guidance(kilo version) for Ubuntu, I was unable to correctly configure the network. I followed the Guidance and set up 1 controller node, 1 network node and 3 computing nodes. All configuration is almost the same as the Guidance. However, if I set the gateway of management interface in network node to and change external interface to “dhcp” mode, which is required by my external network environment, then I cannot ping other nodes from network nodes. So I comment the gateway configuration and everything works fine. But only network node can access to external network, other nodes are not able to ping outside website. It will throw “unknown host” error. Can anyone help me with this problem please? Thank you very much!!


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