1 files changed, 62 insertions, 0 deletions
diff --git a/vpp-userdemo/netns.sh b/vpp-userdemo/netns.sh
new file mode 100755
index 0000000..05a6605
--- /dev/null
+++ b/vpp-userdemo/netns.sh
@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# 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.
+
+if [ $USER != "root" ] ; then
+    #echo "Restarting script with sudo..."
+    sudo $0 ${*}
+    exit
+fi
+
+C1_IP=$1
+C1_GW=$2
+C2_IP=$3
+C2_GW=$4
+
+# Restart VPP so there is no config
+service vpp restart
+
+# delete previous incarnations if they exist
+ip link del dev veth_link1 &>/dev/null
+ip link del dev veth_link2 &>/dev/null
+ip netns del c1 &>/dev/null
+ip netns del c2 &>/dev/null
+
+#create namespaces
+ip netns add c1 &>/dev/null
+ip netns add c2 &>/dev/null
+
+# create and configure 1st veth pair
+ip link add name veth_link1 type veth peer name link1
+ip link set dev link1 up
+ip link set dev veth_link1 up netns c1
+
+ip netns exec c1 \
+     bash -c "
+    ip link set dev lo up
+    ip addr add ${C1_IP} dev veth_link1
+    ip route add default via ${C1_GW} dev veth_link1
+"
+
+# create and configure 2nd veth pair
+ip link add name veth_link2 type veth peer name link2
+ip link set dev link2 up
+ip link set dev veth_link2 up netns c2
+
+ip netns exec c2 \
+     bash -c "
+    ip link set dev lo up
+    ip addr add ${C2_IP} dev veth_link2
+    ip route add default via ${C2_GW} dev veth_link2
+"