Hi Wilson, To ping the instance I suggest you to use these commands: ip netns <-- to list your namespaces and pick up the one with the router name ip netns exec router-(hash) ping <instance ip> < -- with this you can ping the instance. Hope it was usefull On Tue, May 5, 2015 at 10:57 AM Wilson Kwok <leiw324 at gmail.com> wrote: > Hello, > > Here is my home lap network settings: > > Home computer 172.28.0.130 > > Ubuntu eth0 (no IP address) > eth1 172.28.0.105 (for managmeent) > > br100 10.0.47.1 map to eth0 > > instance01 10.0.47.2 > > My question is home computer can't ping instance01 10.0.47.2, even Ubuntu > itselves, > I already allow security group ICMP ALL, can anyone help ? > > Thanks > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack at lists.openstack.org > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20150505/1b9a29bc/attachment.html>