Cisco 921-4PGigabit Ethernet Security Router (Includes Switch)

Description

Cisco 921-4P – Gigabit Ethernet Security Router with Integrated Switch

The Cisco 921-4P is a compact, high-performance security router designed for small businesses, branch offices, and industrial deployments. It provides secure WAN connectivity, firewall protection, VPN, and a built-in 4-port Gigabit Ethernet switch, making it an ideal choice for businesses requiring reliable, all-in-one networking solutions.

Key Specifications:

• Performance & Hardware:
  • Routing Throughput: Up to 500 Mbps
  • CPU: Dual-core 800 MHz ARM processor
  • Memory: 1GB DRAM
  • Flash Storage: 256MB (default), expandable to 4GB
  • Fanless design for silent operation
• Network Interfaces:
  • 1× Gigabit Ethernet WAN port
  • 4× 10/100/1000 Mbps Gigabit Ethernet LAN ports (Layer 2 switch with VLAN support)
  • 1× USB 2.0 port for external storage and modem connectivity
  • 1× Console/AUX port for management
• Security & VPN Features:
  • Integrated Stateful Firewall (Zone-Based Firewall – ZBFW)
  • IPsec VPN, DMVPN, GETVPN, and SSL VPN support (up to 50 tunnels)
  • MACsec encryption & 802.1X authentication
  • Advanced Threat Defense & URL filtering
• WAN & Connectivity Support:
  • Gigabit Ethernet WAN for fiber, DSL, or broadband connections
  • 4G LTE support via external USB modem
  • MPLS & Metro Ethernet compatibility
• QoS & Traffic Optimization:
  • Application Visibility and Control (AVC)
  • NBAR2 Deep Packet Inspection (DPI)
  • Voice & Video QoS for smooth communications
• Management & Monitoring:
  • Cisco IOS CLI, Web GUI, SNMP, and Cisco DNA Center support
  • NETCONF, REST APIs, and Model-Driven Telemetry
• Power & Design:
  • Desktop or rack-mountable
  • Power over Ethernet (PoE) support for LAN ports (via external PoE injector)

Key Features:

✔ Integrated 4-Port Gigabit Switch: No need for a separate switch
✔ Secure & Reliable: Firewall, VPN, MACsec encryption, 802.1X authentication
✔ High-Speed WAN & LAN Connectivity: 1G WAN & 4G LTE support
✔ Silent & Energy-Efficient: Fanless operation, low power consumption
✔ Cloud & Remote Management: Cisco DNA Center, CLI, SNMP, Web GUI
✔ SD-WAN Ready: Optimized for cloud applications & traffic routing

Use Cases:

✅ Small & Medium Businesses (SMBs) needing secure, high-speed internet access
✅ Retail & Branch Offices requiring VPN, firewall, and Gigabit LAN switching
✅ Remote Workers & Home Offices needing reliable connectivity
✅ Industrial & IoT Deployments with fiber and Ethernet networking
✅ Cloud-Connected Businesses using SaaS applications and MPLS services