i'm following this guide https://github.com/mseknibilel/OpenStack-Grizzly-Install-Guide if i launch an instance from horizon, i can using ip netns exec qrouter-xxx ping xxx to ping that instance and ssh to it, and access external network, everything seems fine, at least from my view. **However, i cannot ping it if i launch the instance via nova boot command** is there anybody has met such problem? please help me -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20130424/a39659fd/attachment.html>