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C2921-VSEC-SRE/K9
Cisco 2921 SRE Bundle, SRE 700, PVDM3-32, UC, SEC Lic. PAK
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C2921-VSEC-SRE/K9 is a modular, high-performance enterprise router built on a flexible architecture that supports integrated services including voice, video, and WAN optimization. It offers versatile power options with an AC power supply and redundant configurations, dual WAN and four LAN ports for reliable connectivity, modular expansion capabilities via dedicated slots, and robust VPN features such as IPSec, SSL VPN, GRE, DMVPN, and FlexVPN to secure data flows while delivering consistent throughput and enhanced redundancy.
Engineered for demanding network environments, this router provides advanced performance with QoS and built-in security features including firewalls, intrusion prevention, and malware protection. Its capabilities make it ideal for enterprise, small business, and branch office use cases where secure, efficient, and flexible network management is critical.
C2921-VSEC-SRE/K9 price is $3,311.00, a 52.7% saving from the Cisco list price of $6,995.00. C2921-VSEC-SRE/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C2921-VSEC-SRE/K9 for additional pricing. Browse the full Router Isr 2900 series or explore all Cisco products.
In a multi-location retail environment, IT deploys the Cisco 2921 SRE Bundle (SRE 700, PVDM3-32, UC, SEC Lic. PAK) as a single-platform router and collaboration node. By leveraging on-board DSPs and the UC license for high-definition voice/video and integrated data routing, the solution streamlines branch provisioning, reduces PBX footprint, and cuts operational expenses by up to 30% while maintaining carrier-grade QoS.
A financial services firm uses the Cisco 2921 SRE Bundle with SRE 700 and SEC Lic. PAK to host virtual ASA firewall, IPS, and IPsec VPN functions directly on the branch router. This approach consolidates security appliances, accelerates threat inspection, ensures PCI-DSS compliance, and lowers hardware footprint by 50%, all while delivering consistent policy enforcement and centralized manageability.
A global manufacturer implements the Cisco 2921 SRE Bundle—powered by SRE 700 and PVDM3-32—to virtualize WAN optimization services for ERP and SaaS traffic. By running virtual WAN‐accelerator functions on the router, the deployment achieves 40% bandwidth savings, reduces latency for critical applications, and simplifies service life-cycle management, ensuring predictable user experience across dispersed sites.
To get the detailed certification, please go to the Compliance Center.
| C2921-VSEC-SRE/K9 |  CISCO2951-SEC/K9 |  C2921-CME-SRST/K9 |  C2911-WAASX/K9 |  C2951-S-SRE-WAE/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Modular | Modular |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / VPN | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention, Malware Protection |
| Compliance Standards | FCC / CE | FCC / CE / UL | FCC, CE | FCC, CE | FCC, CE, RoHS |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | 13 inches | N/A | 15.9 inches | 18.5 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | FCC Part 15 | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100/1000 | 10/100 | 10/100/1000 |
| Expansion Slots | EHWIC / NIM | EHWIC / NIM | EHWIC / NIM | EHWIC / NIM | EHWIC, NIM |
| Features | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / IPv6 Compatible / Firewall / Integrated Services | VPN, IPv6 Compatible, Firewall, QoS | VPN / VoIP / IPv6 Compatible / Firewall | 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 | N/A | 1.75 inches | N/A | 1.73 inches | 4.5 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / WAN Optimization | Voice, Video, WAN Optimization | Voice / WAN Optimization | Voice, Video, WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45, SFP | RJ-45 / SFP | 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 | 2 Slots | 3+ Slots |
| Network Protocols | IPv4, IPv6, MPLS | IPv4 / IPv6 | IPv4, IPv6, PPP | OSPF, BGP, EIGRP, RIP, Static, IPsec, DMVPN | IPv4, IPv6 |
| Power | 150 W | 80W | 250 Watts | 350 W | 350W |
| Power Source | AC Power Supply | AC Power Supply / Redundant | AC Power Supply | AC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | Cisco 2921 Integrated Services Router with Virtual Security and Services Ready Edition | Cisco 2951 Integrated Services Router Security | Cisco C2921-CME-SRST/K9 Integrated Services Router | Cisco C2911-WAASX/K9 Integrated Services Router | C2951-S-SRE-WAE/K9 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI, SNMP, Cisco SDM | CLI / SNMP / SSH | CLI, Telnet, SSH | Telnet, SSH, SNMP, HTTP/HTTPS | SSH, Telnet, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing / N/A | OSPF / BGP / EIGRP / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | UL, cUL, CSA | N/A | N/A |
| Speed/Capacity | Gigabit | N/A | Gigabit | N/A | Gigabit |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | TIA/EIA | N/A | N/A |
| Throughput Capacity | 0.025 Gbps | 0.075 Gbps | 100 Mbps | 75 Mbps | 1 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN / GRE / DMVPN / FlexVPN / N/A | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN / N/A | IPSec / DMVPN / SSL VPN / FlexVPN | IPSec / SSL VPN / DMVPN / N/A |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | Modular WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | N/A | 15 lbs | N/A | 13.8 lbs | 12 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | 17 inches | N/A | 17.3 inches | 17.5 inches |
| Wireless Support | No | No | No | No | No |
Cisco 2921 SRE bundle with SRE 700 delivers high-performance UC and secure operations. Reliable for medium branch offices.
Stable and predictable performance. Handles multiple UC endpoints and security workloads efficiently.
Durable and reliable Cisco solution. Ensures seamless communication and secure operations.
Efficient and easy to manage. Maintains branch office UC and security without interruptions.
Strong performance and minimal downtime. Ideal for voice, UC, and secure data operations.
The Cisco 2921 SRE Bundle combines a 2921 Integrated Services Router with an SRE 700 services module, PVDM3-32 DSPs, Unified Communications and security license PAK to deliver secure, converged services at branch sites.
The bundle includes a Cisco 2921 ISR, SRE 700 services router, PVDM3-32 digital signal processor module, UC license PAK and security license PAK for comprehensive branch deployments.
The SRE 700 module accelerates hosted services and virtualized applications on the Cisco 2921 platform, offering up to four virtual instances for VPN, firewall, and WAN optimization.
The PVDM3-32 module delivers up to 32 voice calls or conferencing sessions, supporting high-quality IP telephony, transcoding and media termination functions.
The UC license PAK unlocks integrated voice, video and messaging features on the 2921 ISR, enabling Cisco Unified Communications Manager Express for branch telephony.
The security license PAK activates advanced firewall, intrusion prevention, VPN encryption and Cisco Advanced Malware Protection (AMP) for end-to-end branch security.
The 2921 ISR with SRE 700 supports up to 100 Mbps of aggregate throughput, 300,000 concurrent sessions and hardware-accelerated VPN for secure site-to-site connectivity.
It supports Ethernet, T1/E1, DSL, 3G/4G LTE and Cisco Intelligent WAN (IWAN) services including dynamic path control and QoS for reliable branch connectivity.
The solution scales up to 50,000 routing entries, 75 VLANs, and 10 virtual instances on the SRE 700, accommodating growth in voice, data and security requirements.
Ideal for medium branch offices, retail stores and service provider managed sites requiring converged voice, video, security and application hosting on a single platform.
Slide the SRE 700 into the ISR module slot and the PVDM3-32 into the DSP card slot, secure with captive screws, power on the router and apply the license PAKs via CLI or Cisco Prime.
The bundle uses permanent PAK-based licensing for UC and security features, with Smart Licensing available for easier tracking and compliance management.
Yes, you can add PVDM3-64 for more DSP resources, upgrade IOS software for new features, or expand the SRE module to SRE 910 for higher virtual instance density.
Voice quality is assured through hardware-based DSPs, Cisco QoS policies, jitter buffering and packet prioritization to deliver clear, consistent IP telephony performance.
Manage the platform using Cisco IOS CLI, Cisco Prime Infrastructure, Cisco DNA Center and RESTful APIs for automated provisioning, monitoring and troubleshooting.
The bundle is available through Cisco authorized partners, resellers and the Cisco online store—contact your channel account manager for pricing and delivery options.