diff --git a/ansible/group_vars/all/bifrost b/ansible/group_vars/all/bifrost
index 720dc7e5f..e6a57d571 100644
--- a/ansible/group_vars/all/bifrost
+++ b/ansible/group_vars/all/bifrost
@@ -49,7 +49,7 @@ kolla_bifrost_inspector_processing_hooks: "{{ inspector_processing_hooks }}"
 
 # Which MAC addresses to add as ports during introspection. One of 'all',
 # 'active' or 'pxe'.
-kolla_bifrost_inspector_port_addition: "{{ inspector_port_addition }}"
+kolla_bifrost_inspector_port_addition: "{{ inspector_add_ports }}"
 
 # List of extra kernel parameters for the inspector default PXE configuration.
 kolla_bifrost_inspector_extra_kernel_options: "{{ inspector_extra_kernel_options }}"
diff --git a/ansible/group_vars/all/inspector b/ansible/group_vars/all/inspector
index a89296601..ceaba4dfe 100644
--- a/ansible/group_vars/all/inspector
+++ b/ansible/group_vars/all/inspector
@@ -38,7 +38,10 @@ inspector_processing_hooks: >
 
 # Which MAC addresses to add as ports during introspection. One of 'all',
 # 'active' or 'pxe'.
-inspector_port_addition: "all"
+inspector_add_ports: "pxe"
+
+# Which ports to keep after introspection. One of 'all', 'present', or 'added'.
+inspector_keep_ports: "added"
 
 # Whether to enable discovery of nodes not managed by Ironic.
 inspector_enable_discovery: True
diff --git a/ansible/kolla-openstack.yml b/ansible/kolla-openstack.yml
index d7eac4aeb..2616690d2 100644
--- a/ansible/kolla-openstack.yml
+++ b/ansible/kolla-openstack.yml
@@ -64,7 +64,8 @@
       # Ironic inspector configuration.
       kolla_inspector_manage_firewall: "{{ inspector_manage_firewall }}"
       kolla_inspector_processing_hooks: "{{ inspector_processing_hooks }}"
-      kolla_inspector_port_addition: "{{ inspector_port_addition }}"
+      kolla_inspector_add_ports: "{{ inspector_add_ports }}"
+      kolla_inspector_keep_ports: "{{ inspector_keep_ports }}"
       kolla_inspector_enable_discovery: "{{ inspector_enable_discovery }}"
       kolla_inspector_discovery_enroll_node_driver: "{{ inspector_discovery_enroll_node_driver }}"
       kolla_inspector_extra_kernel_options: "{{ inspector_extra_kernel_options }}"
diff --git a/ansible/roles/kolla-openstack/defaults/main.yml b/ansible/roles/kolla-openstack/defaults/main.yml
index 66454f94f..fd6ea7d66 100644
--- a/ansible/roles/kolla-openstack/defaults/main.yml
+++ b/ansible/roles/kolla-openstack/defaults/main.yml
@@ -127,7 +127,10 @@ kolla_inspector_processing_hooks:
 
 # Which MAC addresses to add as ports during introspection. One of 'all',
 # 'active' or 'pxe'.
-kolla_inspector_port_addition:
+kolla_inspector_add_ports:
+
+# Which ports to keep after introspection. One of 'all', 'present', or 'added'.
+kolla_inspector_keep_ports:
 
 # Whether to enable discovery of nodes not managed by Ironic.
 kolla_inspector_enable_discovery:
diff --git a/ansible/roles/kolla-openstack/templates/ironic-inspector.conf.j2 b/ansible/roles/kolla-openstack/templates/ironic-inspector.conf.j2
index ae0e152e4..e304ea469 100644
--- a/ansible/roles/kolla-openstack/templates/ironic-inspector.conf.j2
+++ b/ansible/roles/kolla-openstack/templates/ironic-inspector.conf.j2
@@ -10,14 +10,16 @@ manage_firewall = {{ kolla_inspector_manage_firewall }}
 processing_hooks = {{ kolla_inspector_processing_hooks | join(',') }}
 {% endif %}
 
-{% if kolla_inspector_port_addition %}
+{% if kolla_inspector_add_ports %}
 # Which MAC addresses to add as ports during introspection. One of 'all',
 # 'active' or 'pxe'.
-add_ports = {{ kolla_inspector_port_addition }}
+add_ports = {{ kolla_inspector_add_ports }}
 {% endif %}
 
+{% if kolla_inspector_keep_ports %}
 # Keep only those ports that were found during inspection.
 keep_ports = present
+{% endif %}
 
 # Store logs returned by the inspection ramdisk.
 ramdisk_logs_dir = /var/log/kolla/ironic