Description
The Cisco C2911-VSEC-SRE/K9 is a robust Integrated Services Router (ISR) designed for branch office deployments requiring advanced voice, security, and application services. Built on the Cisco 2900 Series ISR platform, it features modular architecture with four service module slots, three onboard WAN interface card (WIC) slots, and two enhanced high-speed WAN interface card (EHWIC) slots, offering flexible connectivity options. With support for voice, video, data, and security in a single platform, the C2911-VSEC-SRE/K9 is ideal for converged network environments. Its rack-mountable 1RU form factor ensures easy integration into existing infrastructure.
This model includes the Security (SEC) and Voice Security (VSEC) technology licenses, providing features such as firewall, intrusion prevention, and secure voice capabilities. It also comes with a Services Ready Engine (SRE) module, which allows for the deployment of additional services without requiring new hardware. Powered by a multi-core processor and up to 2.5 GB of DRAM, the C2911 supports high-performance routing and IP telephony services. Key hardware components include dual Gigabit Ethernet ports, USB ports for storage and configuration, and a compact flash slot for additional memory expansion.

