fix: typos in headers

scripts/prep.sh

@@ -2,42 +2,28 @@
 
 echo "======= R1: Activating IP forwarding ======="
 ssh R1 "echo 1 > /proc/sys/net/ipv4/ip_forward"
-sleep 1
 
 echo "======= R1: Obtaining IP for eth0 ======="
 ssh R1 dhclient -v eth0
 
-echo "======= R1: Setting up static 10.0.0.2/24 IP for eth1 ======="
+echo "======= H1: Setting up static 10.0.0.1/24 IP for eth0 ======="
 ssh H1 ip addr add 10.0.0.1/24 dev eth0
-sleep 1
 ssh H1 ip link set up dev eth0
-sleep 1
 
 echo "======= R1: Setting up static 10.0.0.2/24 IP for eth1 ======="
 ssh R1 ip addr add 10.0.0.2/24 dev eth1
-sleep 1
 ssh R1 ip link set up dev eth1
-sleep 1
 
-echo "======= H1: Setting default route via R1 (i.e. 10.0.0.2) ======="
+echo "======= H1: Setting default route via R1 (i.e. 10.0.0.1) ======="
 ssh H1 ip route add default via 10.0.0.2
-sleep 1
 
 echo "======= R1: Implementing NAT gateway ======="
 scp ./r1_nat.ruleset root@R1:/root
-sleep 1
-ssh R1 chmod +x ./r1_nat.ruleset
-sleep 1
-ssh R1 ./r1_nat.ruleset
-sleep 1
+ssh R1 nft -f ./r1_nat.ruleset
 
 echo "======= H1 and R1: Installing tcpdump ======="
 ssh H1 apt update 
-sleep 1
 ssh H1 apt install -y tcpdump
-sleep 1
 
 ssh R1 apt update 
-sleep 1
 ssh R1 apt install -y tcpdump
-sleep 1