diff --git a/src/sonic-py-common/sonic_py_common/multi_asic.py b/src/sonic-py-common/sonic_py_common/multi_asic.py
index a43275fd1ba9..662c01800e35 100644
--- a/src/sonic-py-common/sonic_py_common/multi_asic.py
+++ b/src/sonic-py-common/sonic_py_common/multi_asic.py
@@ -27,6 +27,10 @@
 PORT_ROLE = 'role'
 
 
+# Dictionary to cache config_db connection handle per namespace
+# to prevent duplicate connections from being opened
+config_db_handle = {}
+
 def connect_config_db_for_ns(namespace=DEFAULT_NAMESPACE):
     """
     The function connects to the config DB for a given namespace and
@@ -237,7 +241,9 @@ def get_all_namespaces():
     if is_multi_asic():
         for asic in range(num_asics):
             namespace = "{}{}".format(ASIC_NAME_PREFIX, asic)
-            config_db = connect_config_db_for_ns(namespace)
+            if namespace not in config_db_handle:
+                config_db_handle[namespace] =  connect_config_db_for_ns(namespace)
+            config_db = config_db_handle[namespace]
 
             metadata = config_db.get_table('DEVICE_METADATA')
             if metadata['localhost']['sub_role'] == FRONTEND_ASIC_SUB_ROLE: