ISP:
1.
Вписываем:
mkdir /etc/net/ifaces/enp7s2
mkdir /etc/net/ifaces/enp7s3
ls /etc/net/ifaces/
Проверяем:
cat /etc/net/ifaces/enp7s1/options
2.
Вставляем:
echo "TYPE=eth" > /etc/net/ifaces/enp7s2/options
echo "BOOTPROTO=static" >> /etc/net/ifaces/enp7s2/options
cp /etc/net/ifaces/enp7s2/options /etc/net/ifaces/enp7s3/options
echo "172.16.1.1/28" > /etc/net/ifaces/enp7s2/ipv4address
echo "172.16.2.1/28" > /etc/net/ifaces/enp7s3/ipv4address
Применяем:
systemctl restart network
Проверяем: ip -c a
3.
Устанавливаем: apt-get update & apt-get install iptables -y
Вписываем:
iptables -t nat -A POSTROUTING -o enp7s1 -j MASQUERADE
iptables-save >> /etc/sysconfig/iptables
systemctl enable --now iptables
iptables -t nat -L -n -v
sysctl -a | grep "ip_forward"
echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
sysctl -p
Проверяем:
ping -c3 ya.ru
HQ-RTR:
echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
sysctl -p
ip -c a show enp7s1
ip -c r
cat /etc/resolv.conf
ping -c3 ya.ru
BR-RTR:
echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
sysctl -p
ip a
ip -c a s enp7s1
ip -c r
cat /etc/resolv.conf
ping -c3 ya.ru