异地组网

wireguard 

ip link add dev wg0 type wireguard                    # 新建接口
ip address add dev wg0 192.168.2.1/24                 # 分配ip
wg genkey | tee privatekey | wg pubkey > publickey    # 创建公私钥
wg set wg0 listen-port 51820 private-key /path/to/private-key peer ABCDEF... allowed-ips 192.168.88.0/24
ip link set up dev wg0                                # 激活

radmin

缺点：ip段为26.0.0.0/8

zerotier