# path to vpp executable and configurations folder VPP_LITE_BIN=/vpp/build-root/install-vpp_lite_debug-native/vpp/bin/vpp VPP_LITE_CONF=/etc/vpp/lite/ # make sure there are no vpp instances running pkill vpp # delete previous incarnations if they exist ip netns exec intervppns ifconfig vppbr down ip netns exec intervppns brctl delbr vppbr ip link del dev veth_vpp1 &> /dev/null ip link del dev veth_vpp2 &> /dev/null ip link del dev veth_intervpp1 &> /dev/null ip link del dev veth_intervpp2 &> /dev/null ip link del dev veth_odl &> /dev/null ip netns del vppns1 &> /dev/null ip netns del vppns2 &> /dev/null ip netns del intervppns &> /dev/null if [ "$1" == "clean" ] ; then exit 0; fi sleep 1 # create vpp to clients and inter-vpp namespaces ip netns add vppns1 ip netns add vppns2 ip netns add intervppns # create vpp and odl interfaces and set them in intervppns ip link add veth_intervpp1 type veth peer name intervpp1 ip link add veth_intervpp2 type veth peer name intervpp2 ip link add veth_odl type veth peer name odl ip link set dev intervpp1 up ip link set dev intervpp2 up ip link set dev odl up ip link set dev veth_intervpp1 up netns intervppns ip link set dev veth_intervpp2 up netns intervppns ip link set dev veth_odl up netns intervppns # create bridge in intervppns and add vpp and odl interfaces ip netns exec intervppns brctl addbr vppbr ip netns exec intervppns brctl addif vppbr veth_intervpp1 ip netns exec intervppns brctl addif vppbr veth_intervpp2 ip netns exec intervppns brctl addif vppbr veth_odl ip netns exec intervppns ifconfig vppbr up # create and configure 1st veth client to vpp pair ip link add veth_vpp1 type veth peer name vpp1 ip link set dev vpp1 up ip link set dev veth_vpp1 up netns vppns1 ip netns exec vppns1 \ bash -c " ip link set dev lo up ip addr add 6.0.2.2/24 dev veth_vpp1 ip route add 6.0.4.0/24 via 6.0.2.1 " # create and configure 2nd veth client to vpp pair ip link add veth_vpp2 type veth peer name vpp2 ip link set dev vpp2 up ip link set dev veth_vpp2 up netns vppns2 ip netns exec vppns2 \ bash -c " ip link set dev lo up ip addr add 6.0.4.4/24 dev veth_vpp2 ip route add 6.0.2.0/24 via 6.0.4.1 " # set odl iface ip and disable checksum offloading ifconfig odl 6.0.3.100/24 ethtool --offload odl rx off tx off # start vpp1 and vpp2 in separate chroot sudo $VPP_LITE_BIN \ unix { log /tmp/vpp1.log cli-listen \ localhost:5002 full-coredump \ exec $VPP_LITE_CONF/vpp1.conf } \ api-trace { on } chroot {prefix xtr1} sudo $VPP_LITE_BIN \ unix { log /tmp/vpp2.log cli-listen \ localhost:5003 full-coredump \ exec $VPP_LITE_CONF/vpp2.conf} \ api-trace { on } chroot {prefix xtr2}