diff --git a/lncc.py b/lncc.py
index 1df4c242a6bb6197c1d18b7bafd24f28ef33d687..d1c054d0fb9c90aa49053a98429495667fb1a308 100755
--- a/lncc.py
+++ b/lncc.py
@@ -349,6 +349,8 @@ class LnccCli(cmd2.Cmd):
             params["password"] = args.password
         if args.port:
             params["port"] = args.port
+        if args.rsa_key_file:
+            params["key_filename"] = args.rsa_key_file
         # Workaround for namespace issue on <reply xmlnc:nc="...">
         if args.device_params == "huaweiyang":
             params["device_params"] = {"name": "huaweiyang"}
@@ -432,6 +434,7 @@ class LnccCli(cmd2.Cmd):
     _ne_add_parser.add_argument("--username")
     _ne_add_parser.add_argument("--password")
     _ne_add_parser.add_argument("--port")
+    _ne_add_parser.add_argument("--rsa_key_file")
     # Workaround for namespace issue
     _ne_add_parser.add_argument("--device_params", choices=["huaweiyang"])
     _ne_add_parser.set_defaults(func=ne_add)