#!/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