CISCO891-K9 Cisco 891 Integrated Service Router

Cisco CISCO891-K9 - Integrated Services Router

The Cisco 891 ISR is part of the Cisco 890 Series, which delivers highly secure Internet access, diverse WAN options, and integrated services for small to medium branch deployments. It’s a fixed-configuration router that combines routing, security, and switching in one device.

🔧 Key Specifications

• WAN Interfaces:
  • 1x 10/100 Fast Ethernet WAN port
• LAN Interfaces:
  • 4x 10/100 Fast Ethernet LAN switch ports
• Performance:
  • Firewall throughput: ~25 Mbps
  • IPsec VPN throughput: ~25 Mbps
  • Supports up to 20 site-to-site VPN tunnels
• Memory:
  • 512 MB DRAM (expandable)
  • 256 MB Flash (expandable)
• Security Features:
  • Stateful firewall
  • IPsec VPN (site-to-site and remote access)
  • SSL VPN (with license)
  • Intrusion Prevention System (IPS)
  • Content filtering (via Cisco Security subscriptions)
• Operating System: Cisco IOS Software (Universal image with feature licensing)
• Form Factor: Compact desktop router, fanless (quiet operation)

🧩 Ideal Use Cases

• Small branch offices needing secure WAN access with integrated LAN switching
• Teleworkers requiring VPN connectivity back to HQ
• Retail or remote sites needing firewall + VPN in a compact form factor
• Managed service providers delivering secure CPE (Customer Premises Equipment)