diff --git a/src/main/java/net/floodlightcontroller/flowcache/FlowManager.java b/src/main/java/net/floodlightcontroller/flowcache/FlowManager.java
index cce873a..251620c 100644
--- a/src/main/java/net/floodlightcontroller/flowcache/FlowManager.java
+++ b/src/main/java/net/floodlightcontroller/flowcache/FlowManager.java
@@ -751,6 +751,23 @@
     }
 
     /**
+     * Delete all previously added flows.
+     *
+     * @return true on success, otherwise false.
+     */
+    @Override
+    public boolean deleteAllFlows() {
+
+	// Get all flows and delete them one-by-one
+    	ArrayList<FlowPath> allFlows = getAllFlows();
+	for (FlowPath flowPath : allFlows) {
+	    deleteFlow(flowPath.flowId());
+	}
+
+	return true;
+    }
+
+    /**
      * Delete a previously added flow.
      *
      * @param flowId the Flow ID of the flow to delete.
@@ -813,6 +830,23 @@
     }
 
     /**
+     * Clear the state for all previously added flows.
+     *
+     * @return true on success, otherwise false.
+     */
+    @Override
+    public boolean clearAllFlows() {
+
+	// Get all flows and clear them one-by-one
+    	ArrayList<FlowPath> allFlows = getAllFlows();
+	for (FlowPath flowPath : allFlows) {
+	    clearFlow(flowPath.flowId());
+	}
+
+	return true;
+    }
+
+    /**
      * Clear the state for a previously added flow.
      *
      * @param flowId the Flow ID of the flow to clear.
diff --git a/src/main/java/net/floodlightcontroller/flowcache/IFlowService.java b/src/main/java/net/floodlightcontroller/flowcache/IFlowService.java
index a534410..5e0db35 100644
--- a/src/main/java/net/floodlightcontroller/flowcache/IFlowService.java
+++ b/src/main/java/net/floodlightcontroller/flowcache/IFlowService.java
@@ -29,6 +29,13 @@
 		    String dataPathSummaryStr);
 
     /**
+     * Delete all previously added flows.
+     *
+     * @return true on success, otherwise false.
+     */
+    boolean deleteAllFlows();
+
+    /**
      * Delete a previously added flow.
      *
      * @param flowId the Flow ID of the flow to delete.
@@ -37,6 +44,13 @@
     boolean deleteFlow(FlowId flowId);
 
     /**
+     * Clear the state for all previously added flows.
+     *
+     * @return true on success, otherwise false.
+     */
+    boolean clearAllFlows();
+
+    /**
      * Clear the state for a previously added flow.
      *
      * @param flowId the Flow ID of the flow to clear.
diff --git a/src/main/java/net/floodlightcontroller/flowcache/web/ClearFlowResource.java b/src/main/java/net/floodlightcontroller/flowcache/web/ClearFlowResource.java
index 8fff358..7f3b589 100644
--- a/src/main/java/net/floodlightcontroller/flowcache/web/ClearFlowResource.java
+++ b/src/main/java/net/floodlightcontroller/flowcache/web/ClearFlowResource.java
@@ -27,11 +27,16 @@
 
 	// Extract the arguments
 	String flowIdStr = (String) getRequestAttributes().get("flow-id");
-	FlowId flowId = new FlowId(flowIdStr);
-	log.debug("Clear Flow Id: " + flowIdStr);
 
 	// Process the request
-	result = flowService.clearFlow(flowId);
+	if (flowIdStr.equals("all")) {
+	    log.debug("Clear All Flows");
+	    result = flowService.clearAllFlows();
+	} else {
+	    FlowId flowId = new FlowId(flowIdStr);
+	    log.debug("Clear Flow Id: " + flowIdStr);
+	    result = flowService.clearFlow(flowId);
+	}
 	return result;
     }
 }
diff --git a/src/main/java/net/floodlightcontroller/flowcache/web/DeleteFlowResource.java b/src/main/java/net/floodlightcontroller/flowcache/web/DeleteFlowResource.java
index f418c1e..ed6f0f7 100644
--- a/src/main/java/net/floodlightcontroller/flowcache/web/DeleteFlowResource.java
+++ b/src/main/java/net/floodlightcontroller/flowcache/web/DeleteFlowResource.java
@@ -27,11 +27,16 @@
 
 	// Extract the arguments
 	String flowIdStr = (String) getRequestAttributes().get("flow-id");
-	FlowId flowId = new FlowId(flowIdStr);
-	log.debug("Delete Flow Id: " + flowIdStr);
 
 	// Process the request
-	result = flowService.deleteFlow(flowId);
+	if (flowIdStr.equals("all")) {
+	    log.debug("Delete All Flows");
+	    result = flowService.deleteAllFlows();
+	} else {
+	    FlowId flowId = new FlowId(flowIdStr);
+	    log.debug("Delete Flow Id: " + flowIdStr);
+	    result = flowService.deleteFlow(flowId);
+	}
 	return result;
     }
 }