Description
The Cisco CISCO2921/K9 is a robust Integrated Services Router (ISR) designed for medium-sized businesses and branch offices requiring reliable, secure, and scalable network connectivity. Housed in a durable 2RU chassis, this router supports modular interfaces for flexible WAN and LAN connectivity, including support for T1/E1, serial, and Gigabit Ethernet modules. It features three onboard Gigabit Ethernet ports, four Enhanced High-Speed WAN Interface Card (EHWIC) slots, and two onboard DSP slots for voice services. Its fanless design contributes to quieter operation, making it suitable for office environments.
Powered by a multi-core processor, the Cisco 2921 supports up to 2.5 Gbps of aggregate throughput with the appropriate software licenses. It includes support for advanced security features like firewall, VPN, and intrusion prevention, as well as voice and video capabilities with the right upgrades. This unit typically comes equipped with 512 MB of DRAM (expandable to 2.5 GB) and 256 MB of Compact Flash memory, ensuring efficient performance under demanding conditions. Ideal for businesses seeking cost-effective used hardware, the 2921 offers long-term value and Cisco’s proven reliability in a modular platform.

