Today I worked on a GTM issue that happened because of configuration that was done not knowing the consequence.
For Generic host we will have an option saying prober preference ---> outside datacentre. This will make any LTM or GTM outside the Datacentre configured in the GTM cluster. This means there is a possibility that LTM that is behind the firewall can also poll and we might end up seeing member being marked down if there is no firewall rule to allow this traffic.
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