Cisco C891F-K9 Ethernet Integrated Services Router

Description

Cisco C891F-K9 – Ethernet Integrated Services Router

The Cisco C891F-K9 is a compact, high-performance Integrated Services Router (ISR) designed for small businesses, branch offices, and remote workers who need secure, reliable, and flexible WAN connectivity. It provides Gigabit Ethernet WAN and LAN support, firewall security, VPN, and advanced Quality of Service (QoS) features in a fanless, low-power design.

Key Specifications:

• Performance & Hardware:
  • Routing Throughput: Up to 350 Mbps
  • CPU: Single-core MIPS 533 MHz processor
  • Memory: 512MB DRAM (default), expandable to 1GB
  • Flash Storage: 256MB (default), expandable to 4GB
  • Fanless design for silent operation
• Network Interfaces:
  • 1× Gigabit Ethernet WAN port (RJ45 or SFP for fiber connections)
  • 8× 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 with Zone-Based Policy (ZBFW)
  • IPsec VPN, DMVPN, GETVPN, and SSL VPN support (up to 50 tunnels)
  • 802.1X authentication & MACsec encryption
  • URL filtering & Cisco Cloud Web Security (CWS) integration
• WAN Support:
  • Ethernet, Fiber (SFP), and xDSL
  • 4G LTE support via external USB modem
  • MPLS and Metro Ethernet compatibility
• QoS & Traffic Optimization:
  • Application Visibility and Control (AVC)
  • Deep Packet Inspection (DPI) with NBAR2
  • 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
• Form Factor & Power:
  • Desktop or rack-mountable
  • Power over Ethernet (PoE) support for LAN ports (via external PoE injector)

Key Features:

✔ Flexible WAN Connectivity: Gigabit Ethernet & Fiber SFP support
✔ Integrated Security: Firewall, VPN, MACsec encryption, 802.1X
✔ High-Performance Switching: Built-in 8-port Gigabit switch
✔ Silent & Energy-Efficient: Fanless operation, low power consumption
✔ Cloud & Remote Management: Cisco DNA Center, CLI, SNMP, Web GUI
✔ SD-WAN Ready: Supports intelligent traffic routing for cloud applications

Use Cases:

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