OCPBUGS-25247: External gateway is on default network

- https://issues.redhat.com/browse/OCPBUGS-25247

Author: jab-rh

_topic_maps/_topic_map.yml

@@ -1441,7 +1441,7 @@ Topics:
     File: logging-network-policy
   - Name: Configuring IPsec encryption
     File: configuring-ipsec-ovn
-  - Name: Configure an external gateway through a secondary network interface
+  - Name: Configure an external gateway on the default network
     File: configuring-secondary-external-gateway
   - Name: Configuring an egress firewall for a project
     File: configuring-egress-firewall-ovn

modules/nw-secondary-ext-gw-configure.adoc

@@ -6,7 +6,7 @@
 [id="nw-secondary-ext-gw-configure_{context}"]
 = Configure a secondary external gateway
 
-You can configure a secondary external gateway for a namespace in your cluster.
+You can configure an external gateway on the default network for a namespace in your cluster.
 
 .Prerequisites
 

modules/nw-secondary-ext-gw-status.adoc

@@ -4,9 +4,9 @@
 
 :_mod-docs-content-type: PROCEDURE
 [id="nw-secondary-ext-gw-status_{context}"]
-= View the status of a secondary external gateway
+= View the status of an external gateway
 
-You can view the status of a secondary external gateway that is configured for your cluster. The `status` field for the `AdminPolicyBasedExternalRoute` custom resource reports recent status messages whenever you update the resource, subject to a few limitations:
+You can view the status of an external gateway that is configured for your cluster. The `status` field for the `AdminPolicyBasedExternalRoute` custom resource reports recent status messages whenever you update the resource, subject to a few limitations:
 
 - Namespaces impacted are not reported in status messages
 - Pods selected as part of a dynamic next hop configuration do not trigger status updates as a result of pod lifecycle events, such as pod termination

networking/ovn_kubernetes_network_provider/configuring-secondary-external-gateway.adoc

@@ -1,12 +1,12 @@
 :_mod-docs-content-type: ASSEMBLY
 [id="configuring-secondary-external-gateway"]
-= Configure an external gateway through a secondary network interface
+= Configure an external gateway on the default network
 include::_attributes/common-attributes.adoc[]
 :context: configuring-secondary-external-gateway
 
 toc::[]
 
-As a cluster administrator, you can configure an external gateway on a secondary network.
+As a cluster administrator, you can configure an external gateway on the default network.
 
 This feature offers the following benefits: