GNS3 lab demonstrating VLAN segmentation, basic device security (login local, passwords, banners), port security, and Access Control Lists (ACLs) to manage inter-VLAN communication.

Projeto de infraestrutura de rede WAN/LAN para setor bancário utilizando Cisco Packet Tracer. Implementação de VLANs, Roteamento Inter-VLAN, DHCP Relay centralizado e conexão Frame Relay entre Sede (SP) e Filiais (RJ/BSB)

Multi-department network simulation using VLSM (192.168.0.0/22) to isolate HR, Finance, IT, and Security traffic. Features Layer 3 Inter-VLAN routing, WLC-managed wireless, and NAT/PAT. Security hardened via Extended ACLs, DHCP Snooping and Port Security.