Merge pull request #7393 from tmorriso-rh/PR-6890-

Added the openshift_set_node_ip variable

Author: Traci Morrison

install_config/install/advanced_install.adoc

@@ -301,6 +301,9 @@ options] in the OAuth configuration. See xref:advanced-install-session-options[C
 
 |`openshift_master_session_encryption_secrets`
 
+|`openshift_set_node_ip`
+|This variable configures `nodeIP` in the node configuration. This variable is needed in cases where it is desired for node traffic to go over an interface other than the default network interface. The host variable `openshift_ip` can also be configured on each node.
+
 |`openshift_portal_net`
 |This variable configures the subnet in which
 xref:../../architecture/core_concepts/pods_and_services.adoc#services[services]