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Enable IP Forwarding in Linux
1) Edit/Add the following line below in sysctl.conf #vim /etc/sysctl.conf net.ipv4.ip_forward = 1 #sysctl -p /etc/sysctl.conf
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Disable FirewallD and enable/import IPTables rules
1) Clear the default firewall rules in FirewallD. #iptables -F #iptables -t nat -F 2) Disable firewalld. #systemctl stop firewalld #systemctl disable firewalld #systemctl mask firewalld 3) Install iptables-services. #yum install iptables-services #systemctl start iptables #systemctl enable iptables 4)Clear again the iptables rules. #iptables -F #iptables -t nat -F 5) Import iptable rules and saved…