Cisco C891F-K9 Gigabit Ethernet Integrated Services Router - C891FK9

Description:

The Cisco C891F-K9 Gigabit Ethernet Integrated Services Router is used in small enterprise and branch office networks to provide secure WAN connectivity, routing, switching, and integrated services in a compact platform. Commonly installed in small branch offices and managed service environments to deliver combined internet access, VPN security, and local network switching. Maintenance teams and system integrators use this router for branch deployments, secure remote connectivity, and replacement of legacy ISR platforms.

Applications:

The Cisco C891F-K9 is commonly used in small branch offices, remote sites, and managed service deployments where secure connectivity, VPN access, and integrated switching are required. It is well-suited for customer premises equipment (CPE) and distributed enterprise networks needing reliable routing and security in one device.

Technical Specifications:

• Manufacturer Part Number (MPN): C891F-K9
• Product Type: Integrated Services Router (ISR)
• Series: Cisco 890 Series
• WAN Interface: 1 × Gigabit Ethernet or SFP (fiber support)
• LAN Ports: 8 × 10/100/1000 Ethernet switch ports
• PoE: 4 ports support PoE (requires external PSU)
• Security: Integrated firewall, VPN (IPsec), secure access features
• Wireless: Optional integrated 802.11n (model dependent)
• Management: CLI, HTTP/HTTPS, SNMP, SSH
• Routing Protocols: Supports standard enterprise routing and switching protocols
• Form Factor: Desktop or rack-mountable (~1U)
• Power: External AC adapter (100–240V)
• Application Environment: Small enterprise, branch office, and edge networking

Common Replacements:

• Cisco ISR 900 Series (newer branch routers)
• Cisco C1111-4P (modern ISR replacement)
• Cisco C892FSP-K9 (higher-end variant with more features)