Can you check that neutron server is actually running? It should create a listening tcp socket on the port 9696. Can you also look at Neutron server logs? If there is some misconfiguration and Neutron server fails to start, logs could give a hint about what is wrong. Thanks, Eugene. On Sat, Oct 12, 2013 at 12:34 PM, Li, Leon <Leon.Li2 at emc.com> wrote: > Hi,**** > > ** ** > > I’m installing Havana and meet a problem when run command “neutron > agent-list”. **** > > root at i2052247:~# neutron agent-list**** > > Connection to neutron failed: Maximum attempts reached**** > > Actually it would have same failure when run any neutron command. **** > > I found bugs https://bugs.launchpad.net/neutron/+bug/1211915 and > https://bugs.launchpad.net/nova/+bug/1229475/comments/14. Workaround is “ Forcibly > clear connection pool“. **** > > Does anyone know how to clear connection pool on Neutron/Havana?**** > > ** ** > > Leon**** > > ** ** > > _______________________________________________ > 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/20131012/af06ef0b/attachment.html>