https://tools.ietf.org/html/rfc2317>CIDR</a> notation that includes the IP
address of your MongoDB host must be specified. The caveat here is that sometimes the IP of the MongoDB host is not
stable or known in advance.</p><p>In the cases when the IP of the MongoDB host is not stable, the egress traffic can either be
<a href=#egress-control-for-tls>controlled as TLS traffic</a>, or the traffic can be routed
<a href=/v1.18/docs/tasks/traffic-management/egress/egress-control/#direct-access-to-external-services