Description
The Cisco ISR4351-VK9 is a robust Integrated Services Router designed for high-performance branch deployments, offering advanced voice, video, and data services in a single, compact form factor. Built with modularity and scalability in mind, it supports up to two Network Interface Modules (NIMs), one Integrated Services Module (ISM), and up to eight Gigabit Ethernet ports. This model includes the Voice Bundle (VK9), which enables comprehensive voice capabilities such as TDM gateway services, SRST, and Cisco Unified Border Element (CUBE) support. Its fanless design ensures quiet operation, making it suitable for office environments where noise levels are a concern.
Powered by a multicore CPU architecture and supporting up to 200 Mbps of aggregate throughput (upgradeable to 400 Mbps with a performance license), the ISR4351-VK9 delivers consistent performance for demanding workloads. It features 4 GB of default DRAM (expandable to 16 GB) and 4 GB of flash memory, providing the resources necessary for rich application hosting and WAN optimization. Security is built-in with support for Cisco IOS XE and advanced threat protection features like VPN, firewall, and intrusion prevention. Ideal for buyers seeking reliable used network hardware, this router offers long-term value and flexibility for growing enterprise networks.