OCPBUGS#9159: ExternalIPs should not be used by egressIPs

Author: xenolinux

networking/configuring_ingress_cluster_traffic/configuring-ingress-cluster-traffic-service-external-ip.adoc

@@ -14,6 +14,11 @@ The external network infrastructure must be configured correctly to route traffi
 == Prerequisites
 
 * Your cluster is configured with ExternalIPs enabled. For more information, read xref:../../networking/configuring_ingress_cluster_traffic/configuring-externalip.adoc#configuring-externalip[Configuring ExternalIPs for services].
++
+[NOTE]
+====
+Do not use the same ExternalIP for the egress IP.
+====
 
 include::modules/nw-service-externalip-create.adoc[leveloffset=+1]