ip link show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
    link/ether 00:01:2e:70:7a:b4 brd ff:ff:ff:ff:ff:ff
3: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default
    link/ether 06:b4:07:ac:d7:58 brd ff:ff:ff:ff:ff:ff
41: ztmjfl4e5e: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 2800 qdisc fq_codel state UNKNOWN mode DEFAULT group default qlen 1000
    link/ether ba:65:d9:4d:77:a3 brd ff:ff:ff:ff:ff:ff

Konfigurasi NAT dan FORWARDING untuk ZeroTier



# NAT untuk keluar lewat enp3s0
sudo iptables -t nat -A POSTROUTING -o enp3s0 -j MASQUERADE

# Izinkan ZeroTier kirim ke jaringan lokal / internet
sudo iptables -A FORWARD -i ztmjfl4e5e -o enp3s0 -j ACCEPT

# Izinkan respons dari jaringan lokal kembali ke ZeroTier
sudo iptables -A FORWARD -i enp3s0 -o ztmjfl4e5e -m state --state RELATED,ESTABLISHED -j ACCEPT