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#!/bin/bash
# Start VPP
systemctl start vpp
sleep 1
# Compute the network CIDR from the Netmask
mask2cidr() {
nbits=0
IFS=.
for dec in $1 ; do
case $dec in
255) let nbits+=8;;
254) let nbits+=7;;
252) let nbits+=6;;
248) let nbits+=5;;
240) let nbits+=4;;
224) let nbits+=3;;
192) let nbits+=2;;
128) let nbits+=1;;
0);;
*) echo "Error: $dec is not recognized"; exit 1
esac
done
echo "$nbits"
}
IPADDR1_MASK=$(ifconfig eth3 | grep "Mask" | awk '{print $4}' | awk -F ":" '{print $2}')
IPADDR1_CIDR=$(mask2cidr $IPADDR1_MASK)
IPADDR2_MASK=$(ifconfig eth1 | grep "Mask" | awk '{print $4}' | awk -F ":" '{print $2}')
IPADDR2_CIDR=$(mask2cidr $IPADDR2_MASK)
# Configure VPP for vPacketGenerator
IPADDR1=$(ifconfig eth3 | grep "inet addr" | tr -s ' ' | cut -d' ' -f3 | cut -d':' -f2)
IPADDR2=$(ifconfig eth1 | grep "inet addr" | tr -s ' ' | cut -d' ' -f3 | cut -d':' -f2)
HWADDR1=$(ifconfig eth3 | grep HWaddr | tr -s ' ' | cut -d' ' -f5)
HWADDR2=$(ifconfig eth1 | grep HWaddr | tr -s ' ' | cut -d' ' -f5)
FAKE_HWADDR1=$(echo -n 00; dd bs=1 count=5 if=/dev/urandom 2>/dev/null | hexdump -v -e '/1 ":%02X"')
FAKE_HWADDR2=$(echo -n 00; dd bs=1 count=5 if=/dev/urandom 2>/dev/null | hexdump -v -e '/1 ":%02X"')
GW=$(route -n | grep "^0.0.0.0" | awk '{print $2}')
PKTGEN_IPADDR=$(cat /opt/config/pktgen_ipaddr.txt)
VIP=$(cat /opt/config/vip.txt)
while [ $(ping -c 1 $PKTGEN_IPADDR | grep received | cut -d" " -f4) != 1 ];
do
echo "Wait";
sleep 1;
done
sleep 3
PKTGEN_MAC=$(arp -n | grep -w $PKTGEN_IPADDR | tr -s ' ' | cut -d' ' -f3)
ifconfig eth3 down
ifconfig eth3 hw ether $FAKE_HWADDR1
ip addr flush dev eth3
ifconfig eth3 up
vppctl tap connect tappub hwaddr $HWADDR1
vppctl set int ip address tap-0 $VIP"/"$IPADDR1_CIDR
vppctl set int state tap-0 up
brctl addbr br0
brctl addif br0 tappub
brctl addif br0 eth3
ifconfig br0 up
ifconfig eth1 down
ifconfig eth1 hw ether $FAKE_HWADDR2
ip addr flush dev eth1
ifconfig eth1 up
vppctl tap connect tap111 hwaddr $HWADDR2
vppctl set int ip address tap-1 $IPADDR2"/"$IPADDR2_CIDR
vppctl set int state tap-1 up
brctl addbr br1
brctl addif br1 tap111
brctl addif br1 eth1
ifconfig br1 up
sleep 1
vppctl lb conf ip4-src-address $IPADDR2
vppctl lb vip $IPADDR1"/32" encap gre4
sleep 1
vppctl set ip arp proxy $IPADDR1" - "$IPADDR1
vppctl set interface proxy-arp tap-0 enable
vppctl set ip arp tap-0 $PKTGEN_IPADDR $PKTGEN_MAC
cd /opt/FDserver
./dnsmembership.sh &>/dev/null &disown
# Start VES client
cd /opt/VES/code/evel_training/VESreporting/
echo 0 > active_dns.txt
./go-client.sh &>/dev/null &disown
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