diff --git a/tripleo_ansible/roles/tripleo_nodes_validation/tasks/main.yml b/tripleo_ansible/roles/tripleo_nodes_validation/tasks/main.yml
index c04c83203..85ee36dde 100644
--- a/tripleo_ansible/roles/tripleo_nodes_validation/tasks/main.yml
+++ b/tripleo_ansible/roles/tripleo_nodes_validation/tasks/main.yml
@@ -33,13 +33,10 @@
     - ansible_facts.default_ipv4.gateway is defined
 
 - name: Check Controllers availability
-  command: "{{ (':' in controller) | ternary('ping6', 'ping') }} -w 10 -c 1 {{ controller }}"
-  retries: 10
-  delay: 60
+  include_tasks: ping.yml
   loop_control:
     loop_var: controller
   loop: "{{ tripleo_nodes_validation_ping_test_ips }}"
-  changed_when: false
   when:
     - tripleo_nodes_validation_validate_controllers_icmp|bool
     - tripleo_nodes_validation_ping_test_ips | length > 0
diff --git a/tripleo_ansible/roles/tripleo_nodes_validation/tasks/ping.yml b/tripleo_ansible/roles/tripleo_nodes_validation/tasks/ping.yml
new file mode 100644
index 000000000..d002c4897
--- /dev/null
+++ b/tripleo_ansible/roles/tripleo_nodes_validation/tasks/ping.yml
@@ -0,0 +1,45 @@
+---
+# Copyright 2021 Red Hat, Inc.
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+- name: Set IP options
+  set_fact:
+    _sed_opts: "'s/.*dev \\([^ ]*\\).*/\\1/') "
+    _ping_cmd: "{{ (':' in controller) | ternary('ping6', 'ping') }}"
+- name: Lookup interface information
+  register: _nic_mtu
+  shell: |
+    INT=$(ip ro get {{ controller }} | head -1 | sed '{{ _sed_opts }}')
+    MTU=$(cat /sys/class/net/${INT}/mtu 2>/dev/null || echo "0")
+    echo "$INT $MTU"
+- name: Set interface vars
+  set_fact:
+    _nic: "{{ _nic_mtu.get('stdout', '').split(' ')[0] | default('lo') }}"
+    _mtu: "{{ _nic_mtu.get('stdout', '').split(' ')[1] | default(0) | int - 28 }}"
+- name: Network availability validation block
+  block:
+    - name: Check IP responsiveness
+      command: "{{ _ping_cmd }} -w 10 -c 1 {{ controller }}"
+      retries: 10
+      delay: 60
+      changed_when: false
+
+    - name: Validate packet with {{ _mtu }} MTU size can reach controller from {{ _nic }}
+      command: "{{ _ping_cmd }} -w 10 -s {{ _mtu }} -c 1 {{ controller }}"
+      retries: 10
+      delay: 60
+      changed_when: false
+      when: _mtu | int > 0
+  when: _nic != 'lo'