What CS considers a ping isn't just ICMP from my understanding. It also entails a few other healthchecks related to the agent. There's a nifty document here and CloudStack starts on page 3.
http://support.citrix.com/servlet/KbServlet/download/2389-102-654859/CitrixPorts_by_Port_1103.pdf -Clayton -----Original Message----- From: David Comerford [mailto:davest...@gmail.com] Sent: Friday, October 11, 2013 9:18 AM To: users@cloudstack.apache.org Subject: ICMP to system VMs? Hi, Does CS need to be able to ping the system vm's? I'm noticing a lot of this in the logs but everything is working fine. [cloud.ha.HighAvailabilityManagerImpl] (AgentTaskPool-14:null) PingInvestigator was able to determine host 61 is in Disconnected [agent.manager.AgentManagerImpl] (AgentTaskPool-14:null) The state determined is Disconnected [agent.manager.AgentManagerImpl] (AgentTaskPool-14:null) Agent is disconnected but the host is still up: 61-s-400-VM Regards, David Comerford ------------------------ Tel: +353 87 1238295 Email: davest...@gmail.com Website: http://dave.ie GPG key: http://gpg.dave.ie