Description
Cisco 1921/K9 ISR bundle. Reliable, modular enterprise routers with secure connectivity, high performance, and flexible WAN/LAN options.
Product Features
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Cisco 1921/K9 ISR routers in one bundle
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Modular design with 2 WAN slots + 1 Gigabit Ethernet port
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Delivers high-speed, secure connectivity for enterprise networks
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Supports VPN, firewall, and advanced security services
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Energy-efficient with Cisco EnergyWise technology
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Scalable for branch offices, SMBs, and enterprise edge deployments
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Compatible with Cisco IOS software for reliable management
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Rackmount/desktop flexible form factor
General Product Information
The Cisco 1921/K9 Integrated Services Router (ISR) is built to deliver enterprise-class networking, security, and performance in a compact and flexible design. This is ideal for organizations looking to deploy reliable, scalable routers across multiple locations or as backup units in business-critical environments.
With two WAN slots and integrated Gigabit Ethernet ports, the Cisco 1921/K9 offers robust connectivity for branch offices and enterprise networks. Its modular architecture allows easy customization with additional modules, including advanced security, voice, and WAN optimization services.
Backed by Cisco’s industry-leading IOS software, this router ensures secure VPN connectivity, firewall protection, and policy-based networking. The EnergyWise technology helps reduce power consumption, lowering operating costs while maintaining performance.
Whether you need a branch router, edge device for SMB networks, or a scalable enterprise security solution, the Cisco 1921/K9 is designed to grow with your business. This gives you flexibility, cost savings, and the assurance of Cisco’s proven reliability.
Technical Specifications Table
| Specification | Details |
|---|---|
| Model | Cisco 1921/K9 ISR |
| Bundle | 1 UNIT |
| Routing Performance | 25–50 Mbps throughput (services enabled) |
| WAN Slots | 2x Modular WAN Interface Card slots |
| Ethernet Ports | 2x 10/100/1000 Gigabit Ethernet ports |
| Expansion Slots | 1x Internal Services Module (ISM) slot |
| Security Features | VPN, IPSec, Firewall, QoS, IOS security features |
| Memory | 512 MB DRAM (upgradeable), 256 MB Flash |
| Operating System | Cisco IOS Software (Universal) |
| Form Factor | Rackmount / Desktop (1RU) |
| Dimensions (HxWxD) | 1.75” x 13.5” x 11.5” |
| Weight (per unit) | ~10 lbs |
| Power Supply | Integrated AC power supply |
| Energy Efficiency | Cisco EnergyWise technology |
Compatible Products
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Cisco IOS feature licenses (security, voice, advanced routing)
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Cisco VPN clients and secure mobility solutions
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Cisco network switches (Catalyst 2960, 3750, 3850 series)
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Cisco Unified Communications modules (for voice and telephony integration)
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Compatible with Windows, Linux, and virtualization environments (VMware, Hyper-V)
Ideal Use Cases
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Branch office connectivity – secure WAN access for multiple sites
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SMBs – cost-effective enterprise-class networking solution
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Enterprise edge routing – scalable and reliable WAN gateway
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Educational institutions – centralized networking for campus buildings
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Healthcare & finance – secure networks with VPN and firewall features
Comparison Angle
Compared to traditional SMB routers, the Cisco 1921/K9 offers enterprise-grade security, scalability, and modular design. Unlike its predecessor (Cisco 1841), the 1921 supports Gigabit Ethernet, greater throughput, and more advanced security features, making it a stronger choice for modern businesses. This also provides cost savings and redundancy, ensuring business continuity.
Cross-Sell / Upsell Suggestions
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Cisco Catalyst Switches (2960, 3750 series) – for LAN expansion
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Cisco SMARTnet Support Contracts – extended warranty & updates
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Higher-end ISR Models – Cisco 1941, 2901, 2911 for larger deployments
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Firewall Appliances – Cisco ASA series, Palo Alto firewalls
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Rackmount Accessories & Cables – mounting kits, patch cables, power cords