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[Solved] OS - VMware vSphere - Host Requires ICMP / PING or status is shown as down

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sean cull
sean.cull's picture
[Solved] OS - VMware vSphere - Host Requires ICMP / PING or status is shown as down

When you configure a Host to use OS - VMware vSphere - Host it always disoplays the ESXi serevr as down unless it can ping successfully.

None of the individual probes show red

The error message "rta nan, lost 100%" is displayed when you view the Mass Acknowledgements dialogue as shown below

 https://dl.dropboxusercontent.com/u/44549287/public/2016-04-13_11-53-07.png 

This is an issue if the firewall is closed to ICMP traffic and it is not obvious that this is the issue

Duncan Ferguson
dferguson's picture
You can fix this issue by

You can fix this issue by amending the host configuration and setting the 'host check command' to something that you know will work (such as NRPE or some custom port), or you could set it to blank and then submit a host check result for it and reset it to OK.

  Duncs

sean cull
sean.cull's picture
Excellent, thanks, Sean

Excellent, thanks, Sean

sean cull
sean.cull's picture
See this part of the manual which gives more detail on this