Added a wipe-out command; we need to revisit how to either make the devices come back or the links not come back.
diff --git a/cli/src/main/java/org/onlab/onos/cli/net/WipeOutCommand.java b/cli/src/main/java/org/onlab/onos/cli/net/WipeOutCommand.java
new file mode 100644
index 0000000..51a0fce
--- /dev/null
+++ b/cli/src/main/java/org/onlab/onos/cli/net/WipeOutCommand.java
@@ -0,0 +1,35 @@
+package org.onlab.onos.cli.net;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onlab.onos.net.Device;
+import org.onlab.onos.net.Host;
+import org.onlab.onos.net.device.DeviceAdminService;
+import org.onlab.onos.net.device.DeviceService;
+import org.onlab.onos.net.host.HostAdminService;
+import org.onlab.onos.net.host.HostService;
+
+/**
+ * Wipes-out the entire network information base, i.e. devices, links, hosts.
+ */
+@Command(scope = "onos", name = "wipe-out",
+         description = "Wipes-out the entire network information base, i.e. devices, links, hosts")
+public class WipeOutCommand extends ClustersListCommand {
+
+    @Override
+    protected Object doExecute() throws Exception {
+        DeviceAdminService deviceAdminService = get(DeviceAdminService.class);
+        DeviceService deviceService = get(DeviceService.class);
+        for (Device device : deviceService.getDevices()) {
+            deviceAdminService.removeDevice(device.id());
+        }
+
+        HostAdminService hostAdminService = get(HostAdminService.class);
+        HostService hostService = get(HostService.class);
+        for (Host host : hostService.getHosts()) {
+            hostAdminService.removeHost(host.id());
+        }
+        return null;
+    }
+
+
+}
diff --git a/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
index 55fec58..4494709 100644
--- a/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
+++ b/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -58,11 +58,11 @@
 
         <command>
             <action class="org.onlab.onos.cli.net.HostsListCommand"/>
-            <completers>
-                <ref component-id="hostIdCompleter"/>
-            </completers>
         </command>
 
+        <command>
+            <action class="org.onlab.onos.cli.net.WipeOutCommand"/>
+        </command>
     </command-bundle>
 
     <bean id="deviceIdCompleter" class="org.onlab.onos.cli.net.DeviceIdCompleter"/>