Use the Cisco 2611 Router for LAN segmentation or when you need two Ethernet ports to isolate an internal secure LAN from a perimeter LAN that is exposed to the Internet. The Cisco 2611 is a Cisco 2600 series router. Cisco Systems extends enterprise class versatility, integration, and power to branch offices with the Cisco 2600 series modular access router family. The Cisco 2600 series shares modular interfaces with the Cisco 1600, 1700, and 3600 series, providing network managers and service providers a cost effective solution to meet today's branch office needs.