diff --git a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/impl/OsgiPropertyConstants.java b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/impl/OsgiPropertyConstants.java
new file mode 100644
index 0000000..6fcdcfd
--- /dev/null
+++ b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/impl/OsgiPropertyConstants.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.
+ */
+
+package org.onosproject.netconf.ctl.impl;
+
+/**
+ * Constants for default values of configurable properties.
+ */
+public final class OsgiPropertyConstants {
+
+    private OsgiPropertyConstants() {}
+
+    public static final String NETCONF_CONNECT_TIMEOUT = "netconfConnectTimeout";
+    public static final int NETCONF_CONNECT_TIMEOUT_DEFAULT = 5;
+
+    public static final String NETCONF_REPLY_TIMEOUT = "netconfReplyTimeout";
+    public static final int NETCONF_REPLY_TIMEOUT_DEFAULT = 5;
+
+    public static final String NETCONF_IDLE_TIMEOUT = "netconfIdleTimeout";
+    public static final int NETCONF_IDLE_TIMEOUT_DEFAULT = 300;
+
+    public static final String SSH_LIBRARY = "sshLibrary";
+    public static final String SSH_LIBRARY_DEFAULT = "apache-mina";
+}