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CISCO2951/K9
Cisco 2951 Router w/3 GE,4 EHWIC,3 DSP,2 SM,256MB CF,512MB D...
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CISCO2951/K9 is a high-performance, modular enterprise router designed to deliver integrated services including voice and video while ensuring robust security with advanced VPN capabilities. Built on a modular architecture, it offers flexible power options through an AC power supply, configurable WAN and LAN interfaces with modular slot support, and dedicated interfaces for secure remote management and integrated services.
Optimized for branch office and enterprise use cases, the CISCO2951/K9 provides reliable throughput with a forward rate of approximately 0.075 Gbps, built-in redundancy features, and comprehensive performance and QoS capabilities. Its design supports modular expansion via EHWIC slots, enabling scalable connectivity options across various network protocols with integrated firewall and intrusion prevention systems.
CISCO2951/K9 price is $3,067.00, a 69% saving from the Cisco list price of $9,900.00. CISCO2951/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CISCO2951/K9 for additional pricing. Browse the full Router Isr 2900 series or explore all Cisco products.
In a mid-sized branch office serving 100 employees, the Cisco 2951 Router (3×GE, 4×EHWIC, 2×SM, 256 MB CF, 512 MB DRAM, IP Base) aggregates an MPLS primary link with broadband backup and enforces dynamic routing (OSPF/BGP) plus integrated security. The 256 MB flash and 512 MB DRAM deliver stable IOS performance, while dual-path failover delivers sub-second switchover. Outcome: 99.99% network availability, unified policy enforcement and simplified centralized management.
A national retail chain deploys the Cisco 2951 (3×GE, 4×EHWIC, 2×SM, IP Base) at 200 stores to terminate DMVPN tunnels to headquarters, segregate POS, inventory and CCTV traffic via EHWIC VLAN modules and ensure PCI-DSS compliance. The 256 MB Compact Flash holds IOS image plus crypto libraries; SM slots host LTE backup modems for continuous operation. Outcome: scalable site-to-site VPN, sub-20 ms transaction latency and centralized security auditing.
An 80-agent call center leverages the Cisco 2951 Router (3 DSP, 4 EHWIC, 2 SM slots, IP Base) as a converged voice/data gateway running Cisco Unified CME. Three DSP modules handle up to 350 concurrent voice channels; EHWIC modules provide T1/E1 and analog FXS/FXO connectivity. Outcome: carrier-grade voice quality with echo cancellation, 40% reduction in PBX CAPEX/OPEX and flexible scalability for new sites.
To get the detailed certification, please go to the Compliance Center.
| CISCO2951/K9 |  CISCO2911-DC/K9 |  C2921-VSEC-CUBE/K9 |  C2921-VSEC-SRE/K9 |  CISCO2901/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Fixed | Modular | Modular |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / VPN | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE / RoHS | RoHS / FCC / CE | IEEE / FCC / CE | FCC / CE | FCC / CE |
| Connectivity Type | Wired | Wired / Ethernet | Wired | Wired | Wired |
| Depth | 17 inches | 14.6 inches | 15.0 inches | N/A | 15 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | FCC, EN55024 | N/A | FCC Class A / EN 55022 | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100/1000 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | EHWIC / NIM | EHWIC / NIM | EHWIC / NIM | EHWIC / NIM |
| Features | VPN / VoIP / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall / VoIP / MPLS | VPN / Firewall / Intrusion Prevention / NAT / QoS | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / VoIP / IPv6 Compatible / Firewall / MPLS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.7 inches | N/A | 1.73 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video | Voice / Video | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 / SFP | RJ-45 | RJ-45 |
| LAN Ports | Modular LAN | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 512 MB | 512 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 3+ Slots |
| Network Protocols | IPv4, IPv6 | IPv4, IPv6, MPLS | IPv4 / IPv6 | IPv4, IPv6, MPLS | IPv4 / IPv6 |
| Power | 150W | 375 W | 350 W | 150 W | 81W |
| Power Source | AC Power Supply | DC Power Supply / AC Power Supply / Redundant | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | CISCO2951/K9 Integrated Services Router | Cisco 2911 Integrated Services Router - DC | Cisco 2921-VSEC-CUBE/K9 | Cisco 2921 Integrated Services Router with Virtual Security and Services Ready Edition | Cisco 2901/K9 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP, HTTP/HTTPS | Telnet, SSH, SNMP | CLI / SNMP / SSH | CLI, SNMP, Cisco SDM | SNMP / SSH / Telnet |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing / N/A | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | UL, cUL | N/A | UL / cUL / CE | N/A | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Fast Ethernet |
| Stacking Capability | No | No | Yes | No | No |
| Telecom | N/A | N/A | TIA/EIA | N/A | N/A |
| Throughput Capacity | 0.075 Gbps | 0.075 Gbps | 75 Mbps | 0.025 Gbps | 75 Mbps |
| Use Case | Enterprise | Enterprise / Business | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / DMVPN | IPSec / DMVPN / FlexVPN / N/A | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN / N/A | IPSec / SSL VPN / DMVPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | WAN |
| WAN Ports | Modular WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 16 lbs | 29.5 lbs | 15 lbs | N/A | 15 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 19 inches | 17.6 inches | 17.5 inches | N/A | 17.5 inches |
| Wireless Support | No | No | No | No | No |
Cisco 2951 router delivers reliable performance with multiple GE ports. Ideal for medium and large branch offices needing secure and efficient connectivity.
Handles multiple WAN connections smoothly. Robust Cisco solution ensures minimal downtime and stable network operations.
Easy to configure and manage. Cisco 2951 provides predictable performance for voice, UC, and secure data communications.
Durable and high-performing. Supports branch office networking with reliable throughput and security features.
Efficient deployment and maintenance. Maintains stable connectivity for critical business applications.
The Cisco 2951 Router (CISCO2951/K9) is a high-performance integrated services router featuring 3 Gigabit Ethernet ports, 4 EHWIC slots, 3 DSP slots, and modular service capabilities for enterprise branch deployments.
The CISCO2951/K9 provides 3 onboard Gigabit Ethernet ports, 4 Enhanced High-Speed WAN Interface Card (EHWIC) slots, 3 DSP module slots, and 2 Service Module slots for flexible connectivity.
This model includes 512 MB of DRAM for enhanced performance and 256 MB CompactFlash storage for configurations and system images.
The Cisco 2951 delivers up to 85 Mbps of aggregate throughput with Performance on Demand licensing enabled, making it ideal for mid-sized branch offices.
Yes, the Cisco 2951 supports integrated voice with 3 DSP slots and built-in security features including AES VPN, firewall, intrusion prevention, and content filtering.
The CISCO2951/K9 offers Cisco Performance on Demand licensing (Boost) to increase throughput, and feature licenses for Security, Unified Communications, and Application Visibility and Control.
You can manage the Cisco 2951 via Cisco IOS CLI, web-based Device Manager, SNMP, or Cisco Prime Infrastructure for centralized configuration and monitoring.
The Cisco 2951 comes with an internal fixed power supply supporting 100–240 VAC and optional AC-to-DC service modules for high-availability deployments.
Yes, the CISCO2951/K9 includes rack-mount brackets and can be installed in a standard 19-inch equipment rack using the provided hardware.
The router measures 4.5 × 44.5 × 36.5 cm (H×W×D) and weighs approximately 6.5 kg, making it compact for branch-office installations.
Operating temperature ranges from 0°C to 40°C with relative humidity of 5%–85% non-condensing, suitable for typical data-center and branch-office environments.
Yes, the DRAM is user-upgradeable up to 2 GB and the CompactFlash slot supports up to 2 GB, allowing for IOS feature and image expansion.
The CISCO2951/K9 is FIPS 140-2 compliant (when loaded with FIPS-validated software) and meets Common Criteria EAL3+ for secure communications.
The Cisco 2951 supports T1/E1, T3/E3, xDSL, Metro Ethernet, and 3G/4G wireless WAN modules via its EHWIC slots for versatile connectivity.
Cisco offers a 1-year limited hardware warranty and optional SMARTnet service contracts for 24×7 technical support and software updates.
You can buy the Cisco 2951 Router (CISCO2951/K9) through authorized Cisco resellers, online marketplaces, or directly from Cisco’s corporate sales channels.