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C2851-VSEC/K9
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- 2851 Voice Security Bundle,PVDM2-48,Adv IP Serv,128F/512D
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C2851-VSEC/K9
2851 Voice Security Bundle,PVDM2-48,Adv IP Serv,12...
$8,395.00
$3,811.00
8 in Global Warehouse
$3,811.00
55% off
TRUSTED, TRIED, PROVEN
C2851-VSEC/K9 Overview
C2851-VSEC/K9 is a high-performance enterprise router featuring a modular architecture that integrates versatile power options and robust WAN/LAN interfaces to support a wide range of network configurations. Designed with integrated services in mind, it combines voice, data, and security functions within one platform while offering modular capabilities to expand functionality as networking demands evolve.
C2851-VSEC/K9 delivers advanced VPN support and secure remote access, ensuring efficient throughput and built-in redundancy for reliable performance in mission-critical environments. Its design and comprehensive security features make it ideal for enterprise, branch office, and high-demand networking applications requiring dependable integrated services.
What is the price of C2851-VSEC/K9?
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C2851-VSEC/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec VPN |
| Power Source | AC Power Supply |
| Routing Protocols | OSPF / EIGRP / BGP / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Modular |
| WAN Configuration | Dual WAN |
| WAN Ports | 2 WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4, IPv6 |
| Remote Management | HTTP, SSH, Telnet, SNMP |
| Compliance Standards | FCC, CE, UL |
| Wireless Support | No |
| Speed/Capacity | N/A |
| Firewall Features | Yes |
| Features | VPN, Firewall, IPv6 Compatible, Modular, Integrated Security |
| Use Case | Enterprise |
| Management | Managed |
| Form Factor | Rack-mount |
| Integrated Services | Voice, Data, Security |
| High Availability Support | Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | 100 Mbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection, VPN |
| Expansion Slots | EHWIC |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 256 MB |
| Flash Memory | 128 MB |
| Interface Ports | RJ-45, WIC |
| Power | 150 Watts |
| Device Type | Router |
| Product Name | Cisco C2851-VSEC/K9 Integrated Services Router |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
C2851-VSEC/K9 Use Case
Secure Financial VoIP Gateway for Multi-Branch Banking
A national bank deploys the C2851-VSEC/K9-2851 Voice Security Bundle with PVDM2-48, Advanced IP Services and 128F/512D DSP modules to consolidate voice and data at 200 branch offices. By encrypting SIP signaling and RTP media over VPN tunnels and applying integrated firewall policies, the bank achieves PCI-DSS compliance, prevents toll fraud, and cuts long-haul voice costs by 40%. Outcome: secure, cost-optimized inter-branch voice, full regulatory adherence, and simplified network management.
HIPAA-Compliant HD Voice Conferencing for Telemedicine
A telehealth provider implements the C2851-VSEC/K9-2851 with PVDM2-48 and Advanced IP Services to host high-definition voice sessions between remote clinicians and patients. Leveraging 128F/512D DSP resources for superior echo cancellation and dynamic jitter buffering, plus voice-level encryption, the solution delivers crystal-clear audio that meets HIPAA’s privacy and security requirements. Outcome: enhanced patient experience, guaranteed data protection, and 99.99% uptime for critical telemedicine consultations.
Centralized Retail Chain Unified Voice & Data Security
A 150-store retail chain standardizes on the C2851-VSEC/K9-2851 Voice Security Bundle with PVDM2-48, Advanced IP Services, and 128F/512D DSP modules at each location. This all-in-one router secures VoIP traffic via AES encryption, enforces network segmentation for POS systems, and supports cloud-based UC integration. Outcome: 30% reduction in WAN bandwidth costs, PCI-DSS audit readiness, and centralized QoS monitoring—enhancing both staff collaboration and customer checkout security.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| 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 / VPN | Firewall, Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection, VPN | Firewall | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE | FCC, CE | FCC, CE, UL | FCC / CE | FCC, CE |
| Connectivity Type | Wired / Ethernet | Wired | Wired | Wired | Wired |
| Depth | 18.1 inches | N/A | N/A | 14.5 inches | N/A |
| 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 | EHWIC / NIM | EHWIC | EHWIC | NIM / EHWIC |
| Features | VPN / Firewall / Integrated Services / Modular | VPN, IPv6 Compatible, Firewall, MPLS | VPN, Firewall, IPv6 Compatible, Modular, Integrated Security | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | Modular design, VPN, Integrated Voice, Video, QoS, IPv6 Compatible, Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 128 MB | 256 MB | 128 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | N/A | N/A | 4.4 inches | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization | Voice, Data, Security | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45, Serial, Modular Slots | RJ-45, WIC | RJ-45 | RJ-45 |
| LAN Ports | 2 LAN Ports | Modular LAN | 4 LAN Ports | Modular LAN | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 128 MB | 256 MB | 512 MB | 256 MB |
| Modular Slots Available | 2 Slots | 3+ Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4, IPv6, TCP/IP, UDP, ICMP, OSPF, EIGRP, BGP, RIP | IP, IPX, AppleTalk | IPv4, IPv6 | IPv4, IPv6 | TCP/IP, IPX, AppleTalk |
| Power | 150W | 130 Watts | 150 Watts | 65 Watt | 65 Watt |
| Power Source | AC Power Supply / Redundant | AC Power Supply | AC Power Supply | AC Power Supply | DC Power Supply |
| Product Name | Cisco 2811 Integrated Services Router - 15UC VSEC/K9 | Cisco 2811 Integrated Services Router (C2811-VSEC/K9) | Cisco C2851-VSEC/K9 Integrated Services Router | Cisco 2851 Integrated Services Router | Cisco 2811 Integrated Services Router - DC Variant |
| 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 | HTTP, SSH, Telnet, SNMP | Telnet, SSH, SNMP | Telnet, SSH, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | N/A | N/A | N/A | N/A | Fast Ethernet |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.025 Gbps | 25 Mbps | 100 Mbps | 0.075 Gbps | 68 Mbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN / N/A | IPSec | IPSec VPN | IPSec / DMVPN / N/A | IPSec / GRE |
| 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 | 22 lbs | N/A | N/A | 23.1 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.2 inches | N/A | N/A | 17.3 inches | N/A |
| Wireless Support | No | No | No | No | No |
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Questions & Answers
Q
What is the Cisco 2851-VSEC/K9 Voice Security Bundle?
A
The Cisco 2851-VSEC/K9 Voice Security Bundle is an integrated branch router solution that combines a Cisco 2851 ISR, PVDM2-48 voice DSP module, Advanced IP Services license, and enhanced voice security features.
Q
What capabilities does the PVDM2-48 module provide?
A
The PVDM2-48 module delivers digital signal processing for up to 48 concurrent voice channels, supporting transcoding, conferencing, and media resource functions in a single card.
Q
What features are included in the Advanced IP Services license?
A
The Advanced IP Services license enables full routing protocol support (BGP, OSPF, EIGRP), MPLS, QoS, VPN services, and IPv6 readiness for secure, high-performance WAN connectivity.
Q
What security features are built into the Voice Security Bundle?
A
The bundle integrates a zone-based firewall, IPsec VPN, intrusion prevention, and voice-specific encryption to protect both data and voice traffic across the WAN.
Q
How many simultaneous voice calls can the 2851-VSEC/K9 support?
A
Equipped with the PVDM2-48, the router can handle up to 48 concurrent voice calls with features such as echo cancellation and packet loss concealment.
Q
What throughput performance can the Cisco 2851 deliver?
A
With the Advanced IP Services license, the Cisco 2851 delivers up to 45 Mbps of aggregate throughput for data, voice, and security services.
Q
Which WAN interfaces does the Cisco 2851 support?
A
The Cisco 2851 supports EHWIC and NIM modules, offering FlexWAN options including T1/E1, T3/E3, serial, ADSL2+, SHDSL, and 3G/4G LTE connectivity.
Q
Is the 2851-VSEC/K9 rack-mountable?
A
Yes, the Cisco 2851 comes with an optional rack-mount kit that fits standard 19-inch cabinets or can be shelf-mounted in branch offices.
Q
Can I expand voice DSP capacity on the 2851?
A
Yes, the Cisco 2851 supports up to two PVDM2 DSP modules for voice processing, allowing scalability beyond the factory-installed PVDM2-48.
Q
Does the router support Cisco Unified Communications features?
A
Yes, it supports Cisco Unified CME, Survivable Remote Site Telephony (SRST), voice VPNs, and other UC applications for branch telephony resilience.
Q
What power options are available for the 2851-VSEC/K9?
A
The router supports an internal AC power supply and an optional DC power module for deployment in diverse power environments.
Q
What warranty and support options are offered?
A
Cisco provides a 12-month limited hardware warranty and optional SMARTnet service for 24×7 support, hardware replacement, and software updates.
Q
What quality-of-service capabilities are included?
A
The Advanced IP Services license includes Cisco QoS features such as Low-Latency Queuing (LLQ), Class-based WFQ, and traffic policing for voice and video prioritization.
Q
What are the typical use cases for this bundle?
A
Ideal for small to medium branch offices, retail locations, and remote sites requiring integrated voice, security, and data services in a single platform.
Q
How does the 2851 ensure high voice quality?
A
The router uses advanced DSP features—echo cancellation, packet loss concealment, jitter buffering—and prioritizes RTP traffic via QoS to maintain consistent voice quality.
Q
Is the 2851-VSEC/K9 compatible with Cisco’s network management tools?
A
Yes, it integrates with Cisco Prime Infrastructure, Cisco Security Manager, and IOS Embedded Management for centralized configuration and monitoring.
