About This Architecture

Enterprise network architecture spanning firewall perimeter through access layer using Palo Alto PA-3200, H3C core switches, and multi-tier aggregation. ISP broadband WAN connects through the Palo Alto firewall to DMZ servers (Web 172.16.10.10, Database 172.16.10.20) and redundant H3C S6520-X core switches. Dual aggregation layers (Agg-SW-01, Agg-SW-02) distribute traffic to four access switches serving PCs and wireless APs. This architecture demonstrates defense-in-depth with clear trust boundaries, redundancy at core and aggregation tiers, and scalable access layer design. Fork this diagram on Diagrams.so to customize VLAN assignments, add additional access switches, or integrate OCI networking services. The dual-core design ensures high availability while the DMZ isolation protects internal resources from internet-facing threats.

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How do you design an enterprise network with firewall protection, DMZ isolation, and scalable access layer?

This diagram shows a production-grade enterprise network using a Palo Alto PA-3200 firewall to protect DMZ servers (Web and Database) from internet threats, dual H3C S6520-X core switches for redundancy, and L3 aggregation switches distributing traffic to access layer switches serving PCs and wireless APs. The architecture implements defense-in-depth with clear trust boundaries between untrust, DM