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C2811-VSEC/K9
2811 Voice Security Bundle,PVDM2-16,Adv IP Serv,128F/512D
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C2811-VSEC/K9 is a modular enterprise router designed with a flexible architecture that supports a variety of power options using an AC power supply and offers integrated WAN and LAN interfaces. It provides built-in VPN features with IPSec support, enabling secure tunneling and firewall protection while also supporting multiple routing protocols such as OSPF, EIGRP, BGP, and RIP for robust connectivity. Its design incorporates integrated services—including voice, video, and WAN optimization—geared for branch office and enterprise use where security and performance are critical.
C2811-VSEC/K9 delivers reliable throughput of up to 25 Mbps with redundancy and high availability support, ensuring mission‐critical performance. The router’s modular capabilities allow for expansion with EHWIC/NIM slots and customizable LAN/WAN interface modules, making it ideal for diverse use cases ranging from secure enterprise connectivity to remote branch applications, while its remote management options (Telnet, SSH, SNMP) simplify administration.
C2811-VSEC/K9 price is $1,903.00, a 54.6% saving from the Cisco list price of $4,195.00. C2811-VSEC/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C2811-VSEC/K9 for additional pricing. Browse the full Router Isr 2800 series or explore all Cisco products.
A mid-sized financial services firm deploys the Cisco C2811-VSEC/K9-2811 Voice Security Bundle with a PVDM2-16 module, Advanced IP Services and 128F/512D memory at ten branch offices. By configuring integrated IPsec VPN tunnels, stateful firewall policies and voice QoS on each ISR 2811, the firm encrypts SIP and H.323 call signaling and media in transit. Outcomes:• End-to-end voice encryption for PCI DSS compliance• Up to 16 simultaneous secure calls per site• Prioritized voice traffic for crystal-clear audio
A national retail chain leverages the C2811-VSEC/K9-2811 with PVDM2-16, Advanced IP Services routing features and 128F/512D flash/RAM to consolidate POS data, inventory management and VoIP traffic over a secure MPLS backbone. Integrated Cisco Firewall and IPsec accelerate secure store-to-headquarters aggregation, while voice DSP resources handle up to 16 concurrent calls. Outcomes:• Single-box voice/data/WAN security reduces hardware footprint• Centralized call manager integration cuts telecom costs by 30%• Advanced routing and QoS ensure sub-50 ms latency
A regional healthcare network implements the Cisco C2811-VSEC/K9-2811 with PVDM2-16, Advanced IP Services and 128F/512D to support telemedicine and secure internal calls across three clinics. The ISR 2811’s voice security bundle enforces TLS/SRTP encryption, integrated zone-based firewall and detailed call records for audit trails. Outcomes:• Full HIPAA compliance with encrypted patient-doctor conferencing• Scalable DSP capacity for 16 HD voice sessions• Reliable call quality with granular QoS policies
To get the detailed certification, please go to the Compliance Center.
 C2811-VSEC/K9 |  C2801-VSEC-SRST/K9 |  C2801-VSEC-CCME/K9 |  C2851-VSEC-CUBE/K9 |  CISCO2801-CCME/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Fixed | Modular | Modular | 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 / Intrusion Prevention | Firewall |
| Compliance Standards | FCC, CE | FCC, CE | FCC, CE, RoHS | FCC, CE, RoHS | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | 14.1 inches | 12 inches | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | FCC, CE | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC / NIM | EHWIC | EHWIC / NIM | EHWIC | EHWIC |
| Features | VPN, IPv6 Compatible, Firewall, MPLS | VPN / VoIP / IPv6 Compatible / Firewall | VPN / Firewall / NAT / QoS / IPv6 Compatible | VPN, IPv6 Compatible, Firewall | VPN / IPv6 Compatible / Firewall / Voice / Video |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 128 MB | 128 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | N/A | 2.2 inches | 1.8 inches | N/A | N/A |
| High Availability Support | Supported | Not Supported | Supported | Supported | Not Supported |
| Integrated Services | Voice, Video, WAN Optimization | Voice | Voice / Security | Voice, Video | Voice / Video |
| Interface Ports | RJ-45, Serial, Modular Slots | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | Modular LAN | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 128 MB | 256 MB | 256 MB | 512 MB | 512 MB |
| Modular Slots Available | 3+ Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IP, IPX, AppleTalk | IPv4, IPv6, TCP/IP | IPv4, IPv6, OSPF, EIGRP, RIP, BGP | IPv4, IPv6 | OSPF, BGP, EIGRP, RIP, Static Routing |
| Power | 130 Watts | 65W | 65 Watt | 85 W | 65W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply |
| Product Name | Cisco 2811 Integrated Services Router (C2811-VSEC/K9) | Cisco C2801-VSEC-SRST/K9 | Cisco 2801 Integrated Services Router VSEC CCME | Cisco C2851-VSEC-CUBE/K9 | Cisco 2801 Integrated Services Router CCME/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 | Telnet, SSH, SNMP | SSH, Telnet, SNMP, HTTP/HTTPS | SSH / Telnet / SNMP | Telnet, SSH, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | UL, CE | N/A | N/A |
| Speed/Capacity | N/A | N/A | 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 | 25 Mbps | 0.075 Gbps | 0.035 Gbps | 0.05 Gbps | 0.07 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN | 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 | 17.6 lbs | 10 lbs | N/A | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | 17.2 inches | 17.3 inches | N/A | N/A |
| Wireless Support | No | No | No | No | No |
2811 Voice Security Bundle provides stable UC and advanced IP services. PVDM2-16 ensures reliable voice and data performance for small branches.
Durable and predictable. Handles multiple endpoints efficiently while maintaining secure voice and UC communications.
Easy to deploy and manage. Offers consistent UC, voice, and secure network operations with minimal downtime.
Reliable Cisco solution. Supports small branch offices with secure voice and UC performance.
Strong and robust. Ideal for offices needing predictable UC, voice, and secure network services.
The Cisco 2811 Voice Security Bundle (C2811-VSEC/K9) is an integrated router platform featuring voice security software, a PVDM2-16 digital signal processor module, Advanced IP Services license, 128 MB flash memory, and 512 MB DRAM.
The bundle includes Cisco Unified Communications features, media and signaling encryption (SRTP, TLS), firewall, intrusion prevention (IPS), and secure VPN capabilities for voice and data traffic.
The PVDM2-16 module supports up to 16 simultaneous G.711 or 8 G.729 voice calls, enabling high-quality conferencing, transcoding, and media conversion.
Advanced IP Services unlocks MPLS, dynamic routing protocols (BGP, OSPF, EIGRP), advanced QoS, IPv6 support, and comprehensive WAN optimization features.