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C2921-VSEC-CUBE/K9
C2921 VSEC CUBE Bundle, PVDM3-32, UC SEC Lic, FL-CUBEE-25
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C2921-VSEC-CUBE/K9 is a fixed-architecture enterprise router engineered to deliver integrated security services, advanced VPN functionality, and unified communications capabilities. It features versatile power options through an onboard AC power supply, robust WAN and LAN interfaces with dual WAN and four LAN ports supporting 10/100/1000 Ethernet connectivity, and modular capabilities that allow the integration of additional service modules.
The router incorporates comprehensive VPN features including IPSec, SSL VPN, and DMVPN support to secure remote and site-to-site connections while maintaining consistent throughput performance of up to 75 Mbps. Redundancy and high availability are addressed through built-in failover mechanisms, and its integrated services for voice, video, and WAN optimization make it ideally suited for enterprise branch deployments and secure unified communications use cases.
C2921-VSEC-CUBE/K9 price is $2,704.00, a 58.4% saving from the Cisco list price of $6,495.00. C2921-VSEC-CUBE/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C2921-VSEC-CUBE/K9 for additional pricing. Browse the full Router Isr 2900 series or explore all Cisco products.
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| C2921-VSEC-CUBE/K9 |  CISCO2911-SEC/K9 |  CISCO2921-SEC/K9 |  CISCO2911-V/K9 |  C2901-CME-SRST/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Modular | Modular | Modular | Modular |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention / VPN | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | IEEE / FCC / CE | FCC / CE | FCC / CE / UL | FCC / CE | RoHS / FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 15.0 inches | 15.56 inches | N/A | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | FCC Class A / EN 55022 | N/A | N/A | N/A | FCC Part 15 / EN 55032 |
| Ethernet Technology | 10/100/1000 | 10/100 | 10/100/1000 | 10/100 | 10/100 |
| Expansion Slots | EHWIC / NIM | EHWIC | EHWIC / NIM | EHWIC / NIM | EHWIC |
| Features | VPN / Firewall / Intrusion Prevention / NAT / QoS | VPN / IPv6 Compatible / Firewall | VPN / Intrusion Prevention / Firewall / IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / VoIP / IPv6 Compatible / Firewall / QoS |
| 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 | 1.7 inches | 1.73 inches | N/A | N/A | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video |
| Interface Ports | RJ-45 / SFP | RJ-45 / SFP | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 2 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 256 MB | 512 MB | 512 MB | 512 MB |
| Modular Slots Available | 2 Slots | 3+ Slots | 3+ Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | OSPF / EIGRP / BGP / RIP |
| Power | 350 W | 250 W | 290 W | 240 W | 350 W |
| Power Source | AC Power Supply | AC Power Supply / Redundant | AC Power Supply | AC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | Cisco 2921-VSEC-CUBE/K9 | Cisco 2911 Secure Router | CISCO2921-SEC/K9 | CISCO2911-V/K9 | C2901-CME-SRST/K9 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI / SNMP / SSH | SSH / Telnet / SNMP | CLI / SNMP / Telnet / SSH | CLI / SNMP / HTTP / HTTPS | Telnet / SSH / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / EIGRP / RIP / BGP | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | UL / cUL / CE | N/A | N/A | N/A | UL / cUL / CE |
| Speed/Capacity | Gigabit | Fast Ethernet | Gigabit | 10/100 | Gigabit |
| Stacking Capability | Yes | No | No | No | No |
| Telecom | TIA/EIA | N/A | N/A | N/A | N/A |
| Throughput Capacity | 75 Mbps | 0.075 Gbps | 50 Mbps | 75 Mbps | 100 Mbps |
| Use Case | Enterprise | Enterprise | Enterprise / Business | Enterprise | Enterprise / Business |
| VPN Support | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | Modular WAN | 2 WAN |
| Weight | 15 lbs | 24.3 lbs | N/A | N/A | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.5 inches | 17.28 inches | N/A | N/A | N/A |
| Wireless Support | No | No | No | No | No |
C2921 VSEC CUBE Bundle delivers reliable UC performance with PVDM3-32. Ideal for medium branch offices needing secure, high-quality communications.
Durable and efficient. Simplifies voice, UC, and secure operations across branch office networks.
Predictable and stable performance. Ensures seamless communications and minimal downtime.
Strong Cisco build. CUBE integration enhances UC and secure data handling for branch offices.
Efficient and easy to deploy. Maintains high-quality voice and secure communications.
The Cisco C2921 VSEC CUBE Bundle is an integrated solution combining a Cisco 2921 ISR router with advanced security and session border controller features for secure voice and data connectivity.
It includes the Cisco 2921 ISR router, PVDM3-32 digital signal processor module, Unified Communications Security License, and a 25-session FL-CUBEE-25 SIP trunk license.
The PVDM3-32 provides digital signal processing for up to 32 simultaneous voice or video calls, enabling high-quality media transcoding, conferencing, and voicemail integration.
The UC Security License unlocks encrypted signaling (TLS) and media (SRTP) paths, strong authentication, and enhanced firewall features for unified communications deployments.
The FL-CUBEE-25 license authorizes up to 25 concurrent SIP sessions on the Cisco CUBE, ensuring scalable session border control for small and medium-sized enterprises.
This bundle is ideal for SMB and branch office networks that require integrated routing, security, VPN, and SIP trunking capabilities in a single platform.
With the PVDM3-32 module, it can handle up to 32 concurrent voice or video sessions, subject to license limits and codec configurations.
The C2921 VSEC CUBE supports TLS for signaling encryption, SRTP for media encryption, and IPsec VPN for secure data transmission.
Use the Cisco IOS CLI to enable ‘voice service voip’, configure ‘sip-ua’ parameters, and define inbound/outbound dial-peers for SIP trunk connectivity.
Yes, it integrates seamlessly with Cisco Unified Communications Manager using SIP or H.323 protocols for call control and media services.
The Cisco 2921 ISR features a dual-core 1 GHz processor, 2 GB DRAM (expandable to 4 GB), 256 MB Flash, and four Gigabit Ethernet interfaces.
Power down the router, insert the PVDM3-32 into the designated DSP slot, secure it with screws, and power up—the module is auto-detected by the IOS.
Cisco offers a limited lifetime warranty on the 2921 ISR and optional SMARTnet support for 24/7 hardware replacement, software updates, and technical assistance.
Download the latest Cisco IOS image from the Software Download portal, then install via USB or TFTP using ‘install add file’ and ‘install activate’ commands.
Yes, the router supports SNMP, NetFlow, and REST APIs, enabling centralized monitoring, configuration, and performance management via Cisco Prime Infrastructure.