The Cisco 836 router is ideal for providing secure Internet and corporate network connectivity to small remote offices and to teleworkers. The Cisco 836 router provides integrated security services and advanced quality of service (QoS) features for high-quality data, voice, and video applications. It offers easy deployment and remote management features with Cisco IOS Software.

The Cisco 836 router has an integrated asymmetric digital subscriber line (ADSL) modem that supports ADSL over Integrated Services Digital Network (ISDN). It has an integrated ISDN Basic Rate Interface (BRI) S/T port for a backup ISDN line, and a four-port 10/100 Ethernet LAN switch for connecting multiple PCs or network devices in a small-office network.