Thanks for this video ! It gave some lights for me in this area.
I have question regarding last few seconds where we want to establish communication between host 1.3 and ns blue 15.2 using this command:
iptables -t nat -A PREROUTING --dport 80 --to-destination 192.168.15.2:80 -j DNAT
I think --to-destination should be 1.2:80 as we cannot reach host 15.2.
Hello @andrzej,
Here, we wanna add a port forwarding rule to forward any traffic from localhost port 80 to the port 80 on the IP of the blue namespace.
iptables -t nat -A PREROUTING --dport 80 --to-destination 192.168.15.2:80 -j DNAT