Cisco 3845 is a high-performance Integrated Services Router (ISR) from the Cisco 3800 Series, designed for large branch offices and enterprise edge deployments. It delivers advanced routing, security, voice, and application services in a single platform, with significantly higher capacity and scalability than the 2800 series. This router was widely used for multi-service branch environments, including VoIP, VPN, and WAN aggregation.
Key Features
- 2 × onboard Gigabit Ethernet ports
- High modularity with:
- 4 × Network Module (NM/NME) slots
- 4 × HWIC slots
- 4 × DSP (PVDM) slots for voice
- Supports:
- Advanced routing (OSPF, EIGRP, BGP)
- IPsec VPN and firewall services
- Voice gateway and CallManager Express (CME)
- Hardware-based encryption acceleration
- High-density interface and service integration
- Designed for large branch or regional office deployments
Technical Specifications
- Model: Cisco 3845
- Series: Cisco ISR 3800
- Ports: 2 × Gigabit Ethernet
- Expansion Slots:
- 4 × HWIC
- 4 × Network Module (NM/NME)
- 4 × PVDM (DSP slots)
- Memory:
- ~512 MB DRAM (expandable up to ~2 GB)
- ~128–256 MB Flash
- Throughput: Up to ~350 Mbps (service-dependent)
- Form Factor: 3U rack-mountable
- Use Case: Large branch routing, WAN aggregation, unified communications
90 DAY'S
