diff --git a/app/src/main/java/org/opencord/dhcpl2relay/impl/OsgiPropertyConstants.java b/app/src/main/java/org/opencord/dhcpl2relay/impl/OsgiPropertyConstants.java
index 2612fdf..af89aa3 100644
--- a/app/src/main/java/org/opencord/dhcpl2relay/impl/OsgiPropertyConstants.java
+++ b/app/src/main/java/org/opencord/dhcpl2relay/impl/OsgiPropertyConstants.java
@@ -29,4 +29,10 @@
 
     public static final String ENABLE_DHCP_BROADCAST_REPLIES = "enableDhcpBroadcastReplies";
     public static final boolean ENABLE_DHCP_BROADCAST_REPLIES_DEFAULT = false;
+
+    public static final String PUBLISH_COUNTERS_RATE = "publishCountersRate";
+    public static final int PUBLISH_COUNTERS_RATE_DEFAULT = 10;
+
+    public static final String DHCP_COUNTERS_TOPIC = "dhcpCountersTopic";
+    public static final String DHCP_COUNTERS_TOPIC_DEFAULT = "onos_traffic.stats";
 }