The probing function monitors the health of
real servers. The SLB device actively probes
real servers to determine if they are healthy.
This table is for configuring the parameters
of DNS probes. In a DNS probe, resolution of a
specific domain name is requested, and the
resulting IP address must match one of a list of
'expected IP addresses' configured for that
probe. This table stores the list of expected IP
addresses for each DNS probe.