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C2951-WAAS-SEC/K9
Cisco 2951, SRE 900, Sec PAK, WAAS Ent Large
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Overview of C2951-WAAS-SEC/K9 – C2951-WAAS-SEC/K9 is a fixed-architecture enterprise router that delivers integrated routing, security, and WAN optimization services in a compact rack-mount chassis. It offers versatile power options with AC and redundant power supply capabilities, multiple WAN/LAN interfaces including dual WAN and four LAN ports using 10/100/1000 Ethernet technology, and built-in VPN features supporting IPSec, SSL VPN, and other secure tunneling protocols.
This model is designed for high performance with modular expansion using EHWIC slots, enabling additional integrated services such as voice and advanced security. With support for redundant hardware, high availability, and optimized throughput capacity, the C2951-WAAS-SEC/K9 is ideal for enterprise use cases that demand secure, reliable, and scalable network connectivity.
C2951-WAAS-SEC/K9 price is $8,045.00, a 52.7% saving from the Cisco list price of $16,995.00. C2951-WAAS-SEC/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C2951-WAAS-SEC/K9 for additional pricing. Browse the full Router Isr 2900 series or explore all Cisco products.
A global retail chain deploys Cisco 2951 SRE 900 with Sec PAK and WAAS Enterprise Large to optimize POS, inventory and CRM traffic across 200 branch offices. By caching repetitive data and compressing application flows, the solution delivers up to 65% faster transaction processing and cuts WAN bandwidth costs by 40%, ensuring consistent customer experiences and measurable OPEX savings.
A discrete manufacturer uses Cisco 2951-WAAS-SEC/K9 (SRE 900 + Sec PAK + WAAS Ent Large) to secure and accelerate M2M telemetry, SCADA controls and ERP access at five remote plants. With stateful firewall protection, encrypted VPN tunnels and inline WAAS optimization, the deployment meets PCI DSS requirements, reduces latency by 50% and prevents unauthorized access—driving compliance and real-time operational visibility.
A multinational services firm implements Cisco 2951 SRE 900 with Sec PAK and WAAS Enterprise Large to accelerate voice, video conferencing and collaboration apps between its HQ and satellite offices. Real-time traffic prioritization and byte-level caching deliver jitter-free VoIP calls with 99.9% uptime, slash packet loss by 70% and improve employee productivity across geographically dispersed teams.
To get the detailed certification, please go to the Compliance Center.
 C2951-WAAS-SEC/K9 |  CISCO2951-SEC/K9 |  C2921-VSEC/K9 |  CISCO2951-V/K9 |  C2901-VSEC-SRE/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Modular | Modular | Modular | Fixed |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall, Intrusion Prevention, VPN | Firewall / Intrusion Prevention / VPN | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | IEEE 802.3 / IEEE 802.3u | FCC / CE / UL | FCC / CE / RoHS | FCC / CE | IEEE 802.3 / IEEE 802.1Q |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 19.5 inches | 13 inches | N/A | 16.14 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | FCC / CE | N/A |
| Ethernet Technology | 10/100/1000 | 10/100 | 10/100 | 10/100 | 10/100/1000 |
| Expansion Slots | EHWIC | EHWIC / NIM | EHWIC | EHWIC | EHWIC / NIM |
| Features | VPN, Firewall, Intrusion Prevention, QoS, NAT | VPN / IPv6 Compatible / Firewall / Integrated Services | VPN / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN / 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 / Chassis | Rack-mount | Rack-mount | Rack-mount | Rack-mount / Desktop |
| Height | 1.75 inches | 1.75 inches | N/A | 4.31 inches | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, Security, WAN Optimization | Voice / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45, SFP | RJ-45 | RJ-45 | RJ-45 | RJ-45 / SFP |
| LAN Ports | 4 LAN Ports | Modular LAN | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 3+ Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 |
| Power | 375 Watts | 80W | 350 W | 250W | 350 Watts |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply | AC Power Supply |
| Product Name | Cisco C2951 WAAS-SEC/K9 | Cisco 2951 Integrated Services Router Security | Cisco C2921-VSEC/K9 Integrated Services Router | CISCO2951-V/K9 | Cisco 2901 Integrated Services Router with Enhanced Security and Performance (C2901-VSEC-SRE/K9) |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH / SNMP | CLI / SNMP / SSH | Telnet / SSH / SNMP | Telnet / SSH / SNMP | SSH / Telnet / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing |
| Safety | N/A | N/A | N/A | UL / CE | N/A |
| Speed/Capacity | Gigabit | N/A | N/A | Gigabit | Gigabit |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.075 Gbps | 0.075 Gbps | 0.1 Gbps | 0.075 Gbps | 75 Mbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise / Small Business | Enterprise |
| VPN Support | IPSec / SSL VPN / GRE / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN / N/A | IPSec VPN | IPSec / SSL VPN |
| WAN Configuration | WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | Modular WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 20 lbs | 15 lbs | N/A | 26 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.5 inches | 17 inches | N/A | 17.32 inches | N/A |
| Wireless Support | No | No | No | No | No |
Cisco 2951 with SRE 900 delivers robust WAAS performance and strong security. Ideal for large branch offices requiring optimized applications.
Reliable and efficient. Ensures secure WAN acceleration while maintaining predictable performance for enterprise deployments.
Easy to manage and deploy. Provides consistent high-performance UC, voice, and secure data communications.
Durable and high-performing. Maintains stable operations for WAN optimization and secure communications in large offices.
Strong Cisco solution. Supports secure UC, voice, and optimized application performance across enterprise networks.
The Cisco 2951 C2951-WAAS-SEC/K9 is a branch-office router combining a 2951 ISR, SRE 900 service module, Security PAK license, and WAAS Enterprise Large license for optimized performance, security, and application acceleration.
The Cisco 2951 delivers up to 100 Mbps of encrypted throughput and up to 1 Gbps of general forwarding performance, supporting hundreds of concurrent VPN tunnels.
The SRE 900 integrates application optimization, WAN acceleration, and advanced security services on a single platform for increased throughput and simplified deployment.
The Security PAK license unlocks Cisco IOS security features including firewall, VPN (SSL and IPsec), intrusion prevention, and advanced malware protection.