Cisco 881 Ethernet Security Router - 5 Port

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The Cisco 881 Ethernet Security Router offers concurrent broadband services over 3G1, Metro Ethernet, and multiple types of DSL and provides business continuity.

The Cisco 881 Ethernet Security Router provides the performance required for concurrent services, including firewall, intrusion prevention, content filtering, and encryption for VPNs and quality of service (QoS) features for optimizing voice and video applications.

In addition, Cisco Configuration Professional is a Web-based configuration tool that simplifies setup and deployment. Centralized management capabilities give network managers visibility and control of the network configurations at the remote site.


  • High performance for secure broadband and Metro Ethernet access
  • Business continuity and WAN diversity with redundant WAN links (Fast Ethernet, V.92)
  • Secure 802.11a/g/n access point (optional), which offers dual-band radios for mobility, and supports Cisco Unified WLAN architectures
  • An 8-port 10/100 Fast Ethernet managed switch with VLAN support and 4-port support for Power over Ethernet (PoE) (optional)

Enhanced security, including:

  • Firewall with advance application and control
  • Site-to-site remote-access and dynamic VPN services, including IP Security (IPsec) VPNs, Group Encrypted Transport VPN [GET VPN] with onboard acceleration, and Secure Sockets Layer [SSLVPN]
  • Intrusion prevention system (IPS)
  • Content filtering

Metro Ethernet features that include

  • One 1000 BASE-T Gigabit Ethernet and One 10/100 BASE-T Fast Ethernet WAN port
  • Intelligent hierarchical quality of service (HQoS)
  • Connectivity Fault Management (CFM), link operational administration and maintenance (OAM), and Ethernet Local Management Interface (E-LMI) for the Customer Edge
  • IP service-level agreement (SLA) for Metro Ethernet

Technical Information:

Click here to view a full data spec sheet.


  • Number of Ports: 5
  • Fast Ethernet Port: Yes
  • 4 × 10/100Base-TX LAN
  • 1 × 10/100Base-TX WAN

Management & Protocols


  • QoS
  • Cisco Configuration Professional (CCP)
  • VLAN
  • DHCP
  • HTTP
  • Telnet
  • Cisco Configuration Professional
  • Cisco Configuration Express
  • Cisco Configuration Engine support
  • Cisco AutoInstall
  • IP SLA
  • Embedded Event Manager (EEM)
  • CiscoWorks
  • Cisco Security Manager
  • SNMPv3
  • CLI
  • SSH


  • Standard Memory: 256 MB
  • Maximum Memory: 768 MB
  • Memory Technology: DRAM
  • Flash Memory: 128 MB

Power Description

  • Input Voltage Range: 100 V AC to 240 V AC
  • Power Source: AC Adapter

Physical Characteristics

  • Form Factor: Rack-mountable
  • Dimensions: 1.90-inch Height x 12.80-inch Width x 9.80-inch Depth

One (1) year limited warranty from Cisco

Manufacturer Product#: CISCO881-K9

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