An application-layer VPN that connects separate private networks, builds a mesh network, and improves network stability, security, and traffic performance. 应用层网络 VPN，它可以连接不同的私有局域网， 构建多站点的 mesh 网络，提升网络带宽，增强网络稳定性，安全性。

Quickstart with Customer Premisses Equipment (CPE) simulated on OCI

This project demonstrates the configuration and simulation of a Site-to-Site VPN using IPSec between two Cisco routers in GNS3. It includes router configurations, topology setup, and traffic analysis using Wireshark to verify encryption and secure communication.

A sample of AWS landing zone for Nutanix Cloud Cluster (NC2) with Site-to-Site VPN

A Cisco Packet Tracer project simulating a secure, scalable network for a small real estate company. Features VLAN segmentation, firewall, VPN, DHCP, DNS, wireless access, AAA with RADIUS, and inter-VLAN routing with OSPF. Ideal for CCNA-level training or SMB infrastructure design.

This project presents the enterprise network architecture design for O-UIT Company, detailing the logical and physical network models, IP allocation, cost estimation, and network configurations for the headquarters in Thu Duc and the District 3 branch in Ho Chi Minh City.

Deploy a Wireguard S2S VPN

Next-Generation SD-WAN Solutions

site-to-site SSL VPN demo

Hybrid cloud architecture on AWS, linked to on-premises systems through a VPN and orchestrating workloads on EKS Fargate