diff --git a/lib/ansible/modules/network/nxos/nxos_interface_ospf.py b/lib/ansible/modules/network/nxos/nxos_interface_ospf.py
index f135d7fb13..63f42ba0d1 100644
--- a/lib/ansible/modules/network/nxos/nxos_interface_ospf.py
+++ b/lib/ansible/modules/network/nxos/nxos_interface_ospf.py
@@ -394,7 +394,15 @@ def main():
                                                'message_digest_password']],
                            supports_check_mode=True)
 
-    if not module.params['interface'].startswith('loopback') and not module.params['interface'].startswith('port-channel'):
+    # Normalize interface input data.
+    #
+    # * For port-channel and loopback interfaces expection is all lower case names.
+    # * All other interfaces the expectation is an uppercase leading character
+    #   followed by lower case characters.
+    #
+    if re.match(r'(port-channel|loopback)', module.params['interface'], re.I):
+        module.params['interface'] = module.params['interface'].lower()
+    else:
         module.params['interface'] = module.params['interface'].capitalize()
 
     warnings = list()
diff --git a/test/integration/targets/nxos_interface_ospf/tests/common/sanity.yaml b/test/integration/targets/nxos_interface_ospf/tests/common/sanity.yaml
index 9315fc102a..43dea5eaea 100644
--- a/test/integration/targets/nxos_interface_ospf/tests/common/sanity.yaml
+++ b/test/integration/targets/nxos_interface_ospf/tests/common/sanity.yaml
@@ -33,10 +33,20 @@
     provider: "{{ connection }}"
   ignore_errors: yes
 
+- name: "Remove possibly existing port-channel and loopback ints"
+  nxos_config: &removepcandlb
+    commands:
+      - no interface port-channel10
+      - no interface port-channel11
+      - no interface loopback55
+      - no interface loopback77
+    provider: "{{ connection }}"
+  ignore_errors: yes
+
 - block:
   - name: configure ospf interface
     nxos_interface_ospf: &configure
-      interface: "{{ testint }}"
+      interface: "{{ nxos_int1|upper }}"
       ospf: 1
       area: 1
       cost: 55
@@ -80,6 +90,109 @@
 
   - assert: *false
 
+  - name: create port-channel and loopback interfaces
+    nxos_config:
+      commands:
+        - interface port-channel10
+        - interface port-channel11
+        - interface loopback55
+        - interface loopback77
+      match: none
+      provider: "{{ connection }}"
+
+  - name: "Ensure port-channels are layer3"
+    nxos_config:
+      commands:
+        - no switchport
+      parents:
+        - "interface {{ item }}"
+      provider: "{{ connection }}"
+    with_items:
+      - port-channel10
+      - port-channel11
+
+  - name: configure ospf interface port-channel10
+    nxos_interface_ospf: &configurepc
+      interface: Port-channel10
+      ospf: 1
+      area: 1
+      cost: 55
+      passive_interface: true
+      hello_interval: 15
+      dead_interval: 75
+      state: present
+      provider: "{{ connection }}"
+    register: result
+
+  - assert: *true
+
+  - name: "Check Idempotence for port-channel10"
+    nxos_interface_ospf: *configurepc
+    register: result
+
+  - assert: *false
+
+  - name: configure ospf interface port-channel11 using lower case name
+    nxos_interface_ospf: &configurepclower
+      interface: port-channel11
+      ospf: 1
+      area: 1
+      cost: 55
+      passive_interface: true
+      hello_interval: 15
+      dead_interval: 75
+      state: present
+      provider: "{{ connection }}"
+    register: result
+
+  - assert: *true
+
+  - name: "Check Idempotence for port-channel11"
+    nxos_interface_ospf: *configurepclower
+    register: result
+
+  - assert: *false
+
+  - name: configure ospf interface loopback55
+    nxos_interface_ospf: &configurelb
+      interface: LOOPBACK55
+      ospf: 1
+      area: 1
+      cost: 55
+      hello_interval: 15
+      dead_interval: 75
+      state: present
+      provider: "{{ connection }}"
+    register: result
+
+  - assert: *true
+
+  - name: "Check Idempotence for loopback55"
+    nxos_interface_ospf: *configurelb
+    register: result
+
+  - assert: *false
+
+  - name: configure ospf interface loopback77 using lower case name
+    nxos_interface_ospf: &configurelblower
+      interface: loopback77
+      ospf: 1
+      area: 1
+      cost: 77
+      hello_interval: 45
+      dead_interval: 75
+      state: present
+      provider: "{{ connection }}"
+    register: result
+
+  - assert: *true
+
+  - name: "Check Idempotence for loopback77"
+    nxos_interface_ospf: *configurelblower
+    register: result
+
+  - assert: *false
+
   - name: remove ospf interface config
     nxos_interface_ospf: &removeconfig
       interface: "{{ testint }}"
@@ -115,5 +228,8 @@
   - name: "Interface cleanup"
     nxos_config: *intdefault
 
+  - name: "Remove port-channel and loopback ints"
+    nxos_config: *removepcandlb
+
   always:
   - debug: msg="END TRANSPORT:{{ connection.transport }} nxos_interface_ospf sanity test"