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diff --git a/src/seastar/demos/ip_demo.cc b/src/seastar/demos/ip_demo.cc
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+/*
+ * This file is open source software, licensed to you under the terms
+ * of the Apache License, Version 2.0 (the "License"). See the NOTICE file
+ * distributed with this work for additional information regarding copyright
+ * ownership. 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.
+ */
+/*
+ * Copyright (C) 2014 Cloudius Systems, Ltd.
+ */
+
+#include <seastar/net/arp.hh>
+#include <seastar/net/ip.hh>
+#include <seastar/net/net.hh>
+#include <seastar/core/reactor.hh>
+#include <seastar/net/virtio.hh>
+#include <seastar/core/aligned_buffer.hh>
+
+using namespace seastar;
+using namespace net;
+
+int main(int ac, char** av) {
+ boost::program_options::variables_map opts;
+ opts.insert(std::make_pair("tap-device", boost::program_options::variable_value(std::string("tap0"), false)));
+
+ auto vnet = create_virtio_net_device(opts);
+ vnet->set_local_queue(vnet->init_local_queue(opts, 0));
+
+ interface netif(std::move(vnet));
+ ipv4 inet(&netif);
+ inet.set_host_address(ipv4_address("192.168.122.2"));
+ engine().run();
+ return 0;
+}
+
+
+