Cisco 870 Series of included offerings routers are fixed-configuration routers that aid a couple of kinds of DSL technologies, broadband cable, and Metro Ethernet connections in small offices. CISCO871-K9 affords the overall performance had to run concurrent offerings, consisting of firewall, intrusion prevention, and encryption for VPNs; elective 802.11b/g for WLAN networking; and best of service (QoS) functions for optimizing voice and video applications. In addition, the Cisco Router and Security Device Manager (SDM) Web-primarily based totally configuration device simplifies setup and deployment, and centralized control competencies provide community managers visibility and manage of the community configurations on the far flung site.