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#!/usr/bin/env bash
function topo_setup
{
ip netns add vppns1
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 6.0.1.2/24 dev veth_vpp1
"
ethtool --offload vpp1 rx off tx off
ip netns exec vppns1 ethtool --offload veth_vpp1 rx off tx off
}
function topo_clean
{
ip link del dev veth_vpp1 &> /dev/null
ip netns del vppns1 &> /dev/null
}
if [ "$1" == "clean" ] ; then
topo_clean
exit 0
else
topo_setup
fi
# to test connectivity do:
# sudo ip netns exec vppns1 telnet 6.0.1.1 1234
# to push traffic to the server
# dd if=/dev/zero bs=1024K count=512 | nc 6.0.1.1
# to listen for incoming connection from vpp
# nc -l 1234
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