diff --git a/docs/modules/clusters/pages/network-configuration.adoc b/docs/modules/clusters/pages/network-configuration.adoc
index 793f85854..3b3443509 100644
--- a/docs/modules/clusters/pages/network-configuration.adoc
+++ b/docs/modules/clusters/pages/network-configuration.adoc
@@ -827,6 +827,12 @@ settings of outgoing connections (from the members of a source cluster to the ta
 WAN cluster members) or to establish server sockets on which a target WAN member can
 listen for the incoming connections from the source cluster.
 
+NOTE: When using the advanced network configuration and defining separate endpoints for
+`WAN` and `MEMBER` protocols, you must ensure that endpoint ranges do not overlap.
+Each protocol must be configured with unique endpoints that are not used in other protocols,
+otherwise WAN replication can cause the cluster to
+become unstable if IPs are reused.
+
 === Server Socket Endpoint Configuration
 
 The server socket endpoint configuration is common for all protocols. The elements