Update:  Reboot and or firmware upgrade solved the issue.  More than likely the MX just needed a reboot.  Lost 1 ping on failover.  Thx ... View more

This should explain that pretty well: https://documentation.meraki.com/General_Administration/Monitoring_and_Reporting/SNMP_Overview_and_Configuration The firewall settings are only for polling things externally. If your NMS is inside your network you only need do the organization level settings. ... View more

Thank you for the follow-up! Marking your reply as the Solution for the benefit of future visitors to this thread. Cheers! ... View more