update script to setup arp entries up to .66

bin/set_ipv4_neighbor.sh

@@ -9,7 +9,8 @@ intf=enp2s0f1
 
 set -x
 
-for addr in $(seq 1 64); do
+for addr in $(seq 1 66); do
     hwaddr=$(printf "%0.2d" $addr)
+    sudo ip neighbor del 10.0.0.$addr dev ${intf}
     sudo ip neighbor add 10.0.0.$addr lladdr $remote_mac dev ${intf}
 done

doc/plan.org

@@ -8573,7 +8573,20 @@ Result:
 #+END_CENTER
 Problem: something removed the ipv4 address on the test host (again)
 
+#+BEGIN_CENTER
+nico@ESPRIMO-P956:~/master-thesis/bin$ sudo sh init_ipv4_esprimo.sh
+nico@ESPRIMO-P956:~/master-thesis/bin$ ./set_ipv4_neighbor.sh
++ seq 1 64
++ printf %0.2d 1
++ hwaddr=01
++ sudo ip neighbor add 10.0.0.1 lladdr f8:f2:1e:09:62:d1 dev enp2s0f1
++ printf %0.2d 2
++ hwaddr=02
++ sudo ip neighbor add 10.0.0.2 lladdr f8:f2:1e:09:62:d1 dev enp2s0f1
++ printf %0.2d 3
++ hwaddr=03
 
+#+END_CENTER
 ** References / Follow up
 *** RFC 791 IPv4 https://tools.ietf.org/html/rfc791
 *** RFC 792 ICMP https://tools.ietf.org/html/rfc792