1#!/bin/sh
2#
3# Copyright (c) 2018 Intel Corporation
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#    http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17# Setup virtual lan (VLAN) in Linux side that would work with this sample.
18
19if [ -z "$1" ]; then
20    echo "Network interface is missing."
21    echo "This is the network interface where the VLAN will be running."
22    echo "Example: eth0, tap0 etc."
23    exit 1
24fi
25
26if [ `id -u` != 0 ]; then
27    echo "Run this script as a root user!"
28    exit 2
29fi
30
31IFACE="$1"
32
33VLAN_NAME_PREFIX="vlan"
34
35PREFIX_1_IPV6="2001:db8:100"
36PREFIXLEN_1_IPV6="64"
37PREFIX_2_IPV6="2001:db8:200"
38PREFIXLEN_2_IPV6="64"
39
40# From RFC 5737
41PREFIX_1_IPV4="198.51.100"
42PREFIXLEN_1_IPV4="24"
43PREFIX_2_IPV4="203.0.113"
44PREFIXLEN_2_IPV4="24"
45
46ip link add link ${IFACE} name ${VLAN_NAME_PREFIX}.100 type vlan id 100
47ip link add link ${IFACE} name ${VLAN_NAME_PREFIX}.200 type vlan id 200
48
49ip link set ${VLAN_NAME_PREFIX}.100 up
50ip link set ${VLAN_NAME_PREFIX}.200 up
51
52ip -6 addr add ${PREFIX_1_IPV6}::2/${PREFIXLEN_1_IPV6} dev ${VLAN_NAME_PREFIX}.100
53ip -6 route add ${PREFIX_1_IPV6}::/${PREFIXLEN_1_IPV6} \
54   dev ${VLAN_NAME_PREFIX}.100
55
56ip -6 addr add ${PREFIX_2_IPV6}::2/${PREFIXLEN_2_IPV6} dev ${VLAN_NAME_PREFIX}.200
57ip -6 route add ${PREFIX_2_IPV6}::/${PREFIXLEN_2_IPV6} \
58   dev ${VLAN_NAME_PREFIX}.200
59
60ip addr add ${PREFIX_1_IPV4}.2 dev ${VLAN_NAME_PREFIX}.100
61ip route add ${PREFIX_1_IPV4}/${PREFIXLEN_1_IPV4} dev ${VLAN_NAME_PREFIX}.100
62
63ip addr add ${PREFIX_2_IPV4}.2 dev ${VLAN_NAME_PREFIX}.200
64ip route add ${PREFIX_2_IPV4}/${PREFIXLEN_2_IPV4} dev ${VLAN_NAME_PREFIX}.200
65
66
67# You can remove the virtual interface like this
68#    ip link del link eth0 dev vlan.100
69#    ip link del link eth0 dev vlan.200
70
71# If your devices HW MAC address changes when rebooting or flashing,
72# then you can flush the neighbor cache in Linux like this:
73#    ip neigh flush dev vlan.100
74#    ip neigh flush dev vlan.200
75