Cisco ISR 2900 CISCO2921/K9 Cisco Integrated Services Router (ISR)

Brand: Cisco | Category: Network Equipment

SKU: CSC-CISCO2921K9 | Part #: CISCO2921/K9 | MPN: CISCO2921/K9

Contact for Pricing — Request a Quote

QoS, traffic shaping, BGP/OSPF, and app-aware routing define the Cisco ISR 2900 series—a compact, rack-mountable platform engineered for enterprises requiring integrated WAN connectivity, security, and intelligent traffic management in a single 1U footprint. The Cisco 2921 (part number CISCO2921/K9) combines three built-in Gigabit Ethernet ports with modular service slots and hardware-accelerated encryption to deliver secure, scalable branch-office and edge-network performance. Network engineers and IT infrastructure teams deploying multi-protocol environments will find the onboard support for OSPF, EIGRP, BGP, IS-IS, and RIP v1/v2 essential for dynamic routing across heterogeneous WAN topologies.

The platform ships with 256 MB default DRAM and 256 MB CompactFlash storage, both upgradeable to 2 GB and leveraging one CompactFlash Type II slot for flexible capacity expansion. Three Enhanced Service Module (SM-E) slots and four Integrated Services Module (ISM) slots enable seamless integration of specialized functions—voice, security, and wireless services—without external appliances. Cisco IOS and IOS-XE operating systems provide dual-stack IPv6 support, including OSPFv3, EIGRPv6, and BGP4+, alongside comprehensive VPN capabilities: IPsec, SSL VPN, DMVPN, and GET VPN. Hardware-based AES, 3DES, and DES IPsec acceleration ensures encrypted traffic processing without CPU degradation. The router accepts standard 100–240 V AC input at 50–60 Hz, and includes four USB ports—two Type-A for flash storage and two mini-USB console connections—for flexible management and diagnostics. WAN protocol support spans T1/E1, T3/E3, DSL, and Ethernet WAN interfaces via module insertion, making the ISR 2900 ideal for carrier-grade branch deployments requiring policy-based routing and static route alternatives.

Deployment Scenarios

• Secure branch office WAN aggregation with IPsec and SSL VPN encryption over T1/E1 or Ethernet circuits
• Multi-protocol dynamic routing labs and production networks running OSPF, EIGRP, and BGP simultaneously
• Modular voice, security, and services integration without standalone appliances or chassis sprawl
• Carrier-neutral edge routing for DSL, T3/E3, and hybrid WAN links with QoS and traffic shaping
• IPv6 dual-stack migration and testing with full OSPFv3 and EIGRPv6 protocol support

For detailed specifications, availability, and custom configurations of the Cisco ISR 2900 CISCO2921/K9, contact Omnixon