Cisco
Cisco 2921 Router
Price on Call
Available on Request
Cisco 2921 Router Condition: Refurbished / Used Type: Integrated Services Router (ISR G2) WAN Ports: 3 × Integrated 10/100/1000 Ethernet Expansion Slots: 3 × EHWIC, 2 × DSP (PVDM3), 1 × Service Module Performance: Up to 75 Mbps throughput Security
Cisco 2921 Integrated Services Router
Cisco 2921 Router Overview
The Cisco 2921 Router is a robust, modular 2U rack-mount router from the Cisco 2900 Series. It's engineered for small to mid-sized enterprise and branch office deployments, offering integrated services like routing, security, voice, and WAN optimization. With built-in hardware-based encryption and support for SD‑WAN or unified communications modules, it delivers scalability and high availability.
Cisco 2921 RouterKey Features
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Integrated Interfaces: 3 x Gigabit Ethernet ports (one supports SFP)
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Modular Expansion:
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1 Service Module (SM) slot
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4 EHWIC (Enhanced High-Speed WAN Interface Card) slots
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3 onboard DSP (PVDM) slots
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1 Internal Service Module (ISM) slot
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Memory & Storage: 512 MB DDR2 ECC DRAM (max 2 GB); 256 MB flash (up to 8 GB)
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Unified Image Software: Supports IP Base, Security, UC, or Data licensing via Cisco IOS Universal image
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Embedded Security & VPN: Hardware-accelerated IPSec/SSL VPN, firewall, IPS, content filtering, AAA, NAT, and QoS support
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Voice and Multimedia Ready: Supports Voice DSP modules (PVDM), Cisco Unity Express, and telephony services
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External Power Support: Compatible with optional Cisco RPS‑2300 for power redundancy and PoE boost on SM ports
Cisco 2921 Router Technical Specifications
| Specification | Details |
|---|---|
| Model | Cisco CISCO2921/K9 |
| Form Factor | 2U Rack-Mount |
| Gigabit Ports | 3 × 1 GbE (1 port RJ-45 or SFP) |
| Slots | 1 × SM, 4 × EHWIC, 3 × PVDM, 1 × ISM |
| Default / Max DRAM | 512 MB / up to 2 GB DDR2 ECC |
| Flash Memory | 256 MB default / up to 8 GB external CF |
| VPN/Security Capabilities | Hardware IPSec, SSL VPN, firewall, IPS, ACLs, NAT |
| VoIP/DSP | 3 onboard PVDM slots, Voice Module options available |
| Routing & QoS | OSPF, BGP, RIP, EIGRP, MPLS, QoS, NetFlow support |
| Power Supply | Internal AC; RPS‑2300 optional for redundancy and boost |
| Power Draw | Typical ~50 W |
| Dimensions (W × D × H) | Approx. 17.2″ × 18.5″ × 3.5″ (height: 2U) |
| Weight | Approx. 29.1 lbs (~13.2 kg) |
| Environmental Specs | Operating Temp: 0–40 °C; Humidity: 10–85% non-condensing |
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Dispatched from Karachi
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