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C2811-VSEC-CUBE/K9
2811 VSEC Bundle w/PVDM2-16,FL-CUBE-75,AVS,128F/512D
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C2811-VSEC-CUBE/K9 is a high-performance, modular enterprise router engineered for robust network security and diverse connectivity. It features a scalable architecture with dual power supply options, multiple WAN and LAN interfaces, and integrated security services that include advanced VPN capabilities for secure remote access and site-to-site connectivity.
Designed for demanding branch office and enterprise environments, this router supports modular expansion with dedicated slots for enhanced services such as voice and video integration. With proven redundancy, quality of service, and throughput optimized for mission-critical applications, the C2811-VSEC-CUBE/K9 delivers reliable performance and versatile deployment options for modern network infrastructures.
C2811-VSEC-CUBE/K9 price is $2,721.00, a 54.6% saving from the Cisco list price of $5,995.00. C2811-VSEC-CUBE/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C2811-VSEC-CUBE/K9 for additional pricing. Browse the full Router Isr 2800 series or explore all Cisco products.
A multinational financial services firm replaces legacy TDM gateways with the C2811-VSEC-CUBE/K9-2811 VSEC Bundle w/PVDM2-16, FL-CUBE-75, AVS, 128F/512D as its primary SIP session border controller. The PVDM2-16 module enables hardware transcoding for up to 75 concurrent calls, AVS enforces AES-256 signaling encryption, and 128 MB flash/512 MB DRAM ensures reliable firmware and voice-security feature sets. The result is a 40% reduction in telecom expenses, full PCI-DSS compliance, and sub-50 ms call-setup latency across global sites.
A regional healthcare network deploys the C2811-VSEC-CUBE/K9-2811 VSEC Bundle w/PVDM2-16, FL-CUBE-75, AVS, 128F/512D at three hospital campuses to terminate encrypted voice/video consultations. The device’s DSP-powered PVDM2-16 delivers real-time transcoding for G.711 and H.264 traffic, FL-CUBE-75 licenses up to 75 secure sessions, and AVS provides application-level firewall inspection. This implementation achieves HIPAA-grade encryption, cuts video-jitter by 60%, and sustains 99.98% uptime for critical telehealth services.
A global retail chain equips 120 remote stores with the C2811-VSEC-CUBE/K9-2811 VSEC Bundle w/PVDM2-16, FL-CUBE-75, AVS, 128F/512D to aggregate voice, video, and data traffic onto a single DMVPN link. The onboard CUBE handles SIP session border control and media transcoding, AVS enforces next-gen firewalling and intrusion prevention, and ample flash/DRAM supports local call recording and policy updates. This unified edge solution drives a 50% cut in WAN circuit costs, centralized security management, and 99.9% branch-to-HQ voice quality.
To get the detailed certification, please go to the Compliance Center.
 C2811-VSEC-CUBE/K9 |  CISCO2851-DC |  C2801-10UC-VSEC/K9 |  C2821-25UC-VSEC/K9 |  C2801-VSEC-SRST/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Fixed | Fixed | Fixed | Fixed |
| 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 | Firewall, Intrusion Prevention, Malware Protection |
| Compliance Standards | FCC / CE | FCC / CE / UL | IEEE 802.3, IEEE 802.3u | FCC, CE | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | 15.2 inches | N/A | N/A | 14.1 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC / NIM | EHWIC | EHWIC | EHWIC | EHWIC |
| Features | VPN / Firewall / Integrated Security / IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall | VPN, Firewall, Voice, IPv6 Compatible | VPN / VoIP / Firewall / IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 256 MB | 128 MB | 128 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | N/A | 1.73 inches | N/A | N/A | 2.2 inches |
| High Availability Support | Supported | Supported | Not Supported | Not Supported | Not Supported |
| Integrated Services | Voice / Video / Data | Voice / Video / WAN Optimization | Voice / Security | Voice | Voice |
| Interface Ports | RJ-45 | RJ-45 / SFP | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 2 LAN Ports | 4 LAN Ports | 2 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 512 MB | 256 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IP, TCP, UDP, ICMP | IPv4, IPv6 | IPv4, IPv6 | IPv4, IPv6, TCP/IP |
| Power | 75 Watt | 60W | 45W | 65 W | 65W |
| Power Source | AC Power Supply / Redundant | DC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco C2811-VSEC-CUBE/K9 Integrated Services Router | CISCO2851-DC Integrated Services Router | Cisco 2801-10UC-VSEC/K9 | Cisco 2821 Integrated Services Router | Cisco C2801-VSEC-SRST/K9 |
| Product Type | Enterprise Router | Enterprise Router | Integrated Services Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH / SNMP | Telnet / SSH | CLI, SNMP, Telnet, SSH | Telnet / SSH / SNMP | Telnet, SSH, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | Fast Ethernet | Gigabit | N/A | N/A | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 30 Mbps | 30 Mbps | 25 Mbps | 25 Mbps | 0.075 Gbps |
| Use Case | Enterprise / Branch Office | Enterprise | Enterprise / Small Business | Enterprise | Enterprise |
| VPN Support | IPSec / GRE / DMVPN / N/A | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN / N/A | IPSec | IPSec / SSL VPN / DMVPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | N/A | 23 lbs | N/A | N/A | 17.6 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | 17.3 inches | N/A | N/A | 17.2 inches |
| Wireless Support | No | No | No | No | No |
Solid CUBE deployment for SIP trunking. Call routing is smooth, security is dependable, and overall performance meets expectations.
Compact yet capable router for voice security. It has handled our CUBE setup without issues since day one.
Good option for smaller voice environments. Easy to configure and delivers stable performance for daily business calls.
We use this for secure voice routing and it performs consistently. A reliable Cisco solution for controlled call environments.
Dependable hardware with predictable results. Voice sessions are stable, and integration with our network was seamless.
The Cisco C2811-VSEC-CUBE/K9 2811 VSEC Bundle is an integrated branch router solution that combines a 2811 ISR, PVDM2-16 DSP module, FL-CUBE-75 SIP session license, Advanced Security (AVS), and 128 MB Flash/512 MB DRAM.
Key features include integrated routing, voice DSP with PVDM2-16, Cisco Unified Border Element licensing for SIP session brokering, advanced threat defense via AVS, and scalable memory.
The bundle includes a PVDM2-16 DSP module, providing up to 16 digital signal processing channels for transcoding, conferencing, and fax over IP.
FL-CUBE-75 enables up to 75 concurrent SIP sessions on the Cisco Unified Border Element, delivering secure and scalable SIP trunking interconnectivity.