(SOL6480) When a client or a local DNS server direct a DNS request to the BIG-IP GTM system, the BIG-IP GTM system attempts to probe the local DNS server to obtain path metrics. In addition, all other F5 devices that are equipped with a big3d agent and are included in the configuration will probe the local DNS server. The metric information collected by the big3d agents is used to make wide area load balancing decisions based on network conditions between the big3d agent and the local DNS server.
By defau
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