first commit!
diff --git a/cvp_checks/tests/test_single_vip.py b/cvp_checks/tests/test_single_vip.py
new file mode 100644
index 0000000..9e0f16e
--- /dev/null
+++ b/cvp_checks/tests/test_single_vip.py
@@ -0,0 +1,27 @@
+import pytest
+from cvp_checks import utils
+from collections import Counter
+
+
+@pytest.mark.parametrize(
+    "group",
+    utils.get_groups(utils.get_configuration(__file__))
+)
+def test_single_vip(local_salt_client, group):
+    local_salt_client.cmd(group, 'saltutil.sync_all', expr_form='pcre')
+    nodes_list = local_salt_client.cmd(
+        group, 'grains.item', ['ipv4'], expr_form='pcre')
+
+    ipv4_list = []
+
+    for node in nodes_list:
+        ipv4_list.extend(nodes_list.get(node).get('ipv4'))
+
+    cnt = Counter(ipv4_list)
+
+    for ip in cnt:
+        if ip == '127.0.0.1':
+            continue
+        elif cnt[ip] > 1:
+            assert "VIP IP duplicate found " \
+                   "in group {}\n{}".format(group, ipv4_list)