The Cisco 3825 Security Router (CISCO3825-SEC/K9) is a modular, mid-range security appliance designed for branch offices and small-to-medium enterprise networks requiring integrated routing, firewall, and VPN capabilities. This used unit features 128 MB Flash and 512 MB DRAM, supporting throughput suitable for WAN aggregation and encrypted tunnel termination. The 3825 accommodates optional service modules for enhanced security processing, threat detection, and content filtering. Connectivity includes multiple Fast Ethernet ports for LAN/WAN interfaces and expansion slots for additional line cards. Compatible with Cisco IOS software, it integrates with enterprise security frameworks including IPsec VPN, stateful inspection firewalling, and intrusion prevention features. Typical deployments include secure branch connectivity, remote office consolidation, and perimeter security where modular growth is required. All units tested and guaranteed, available via quote.
