Cisco 4321 Integrated Services Router is a compact, 1RU enterprise-class branch router designed to deliver secure WAN connectivity, routing, and integrated services.
Key Specifications & Features
• Throughput: Delivers a baseline system throughput of 50 Mbps, licensable up to 100 Mbps.• Ports: Features 2 onboard 10/100/1000 Gigabit Ethernet RJ-45 ports and 1 SFP-based port (shared).• Expansion Slots: Includes 2 Network Interface Module (NIM) slots and 1 onboard ISC slot.• Memory: Comes with a default of 4 GB DRAM and 4 GB Flash memory, both upgradeable.• OS & Licensing: Powered by Cisco IOS XE Software with modular bandwidth and security or voice bundles (such as -SEC/K9 or -V/K9).
Lifecycle Status
• End-of-Sale: November 7, 2023• End-of-Support: November 30, 2028 (currently supported with active software/firmware updates until this date)