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Name: |
C2851-VSEC-SRST/K9 |
Description: | 2851 VSEC Bundle w/PVDM2-48,FL-SRST-100,AdvIPServ,128F/512D |
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GTIN: | 610585738887 ![]() |
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C2851-VSEC-SRST/K9 Overview
C2851-VSEC-SRST/K9 is an enterprise-grade fixed router engineered for robust branch connectivity. Built with a resilient architecture and diverse power options including redundant AC supply, it integrates dual WAN and multiple LAN interfaces to ensure seamless data connectivity and high availability even in demanding use cases.
C2851-VSEC-SRST/K9 delivers integrated services such as voice, video, and WAN optimization and supports advanced VPN features with IPSec and SSL encryption. Its modular capabilities, built-in firewall with intrusion prevention, and gigabit throughput make it an optimal solution for enterprises seeking reliable performance, redundancy, and secure remote management in modern network environments.
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C2851-VSEC-SRST/K9 Specifications
Product Type | Enterprise Router |
VPN Support | IPSec / SSL VPN / DMVPN |
Power Source | AC Power Supply / Redundant |
Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
Broadband | N/A |
Architecture | Fixed |
WAN Configuration | Dual WAN |
WAN Ports | 2 WAN |
LAN Ports | 4 LAN Ports |
Ethernet Technology | 10/100/1000 |
Wi-Fi Standard | N/A |
Connectivity Type | Wired |
Network Protocols | IPv4, IPv6 |
Remote Management | Telnet, SSH, SNMP, HTTP/HTTPS |
Compliance Standards | FCC, CE, UL |
Wireless Support | No |
Speed/Capacity | Gigabit |
Firewall Features | Yes |
Features | VPN, Firewall, Intrusion Prevention, IPv6 Compatible |
Use Case | Enterprise |
Management | Managed |
Form Factor | Rack-mount |
Integrated Services | Voice, Video, WAN Optimization |
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 |
Expansion Slots | EHWIC |
Modular Slots Available | 2 Slots |
Stacking Capability | No |
5G Support | No |
Memory | 256 MB |
Flash Memory | 256 MB |
Interface Ports | RJ-45, SFP |
Power | 375 Watts |
Device Type | Router |
Product Name | Cisco C2851-VSEC-SRST/K9 |
Height | N/A |
Width | N/A |
Depth | N/A |
Weight | N/A |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Product Type | Enterprise Router | Enterprise Router | Router Module | Enterprise Router | Enterprise Router |
Connectivity Type | Wired | Wired | Wired | Wired | Wired |
Broadband | N/A | N/A | N/A | N/A | N/A |
Power Source | AC Power Supply / Optional Redundant | AC Power Supply / Redundant | Redundant | AC Power Supply / Redundant | Redundant AC/DC Power Supply |
Architecture | Modular | Fixed | Modular | Modular | Modular |
WAN Configuration | Dual WAN | Dual WAN | WAN | Dual WAN | Dual WAN |
WAN Ports | 2 WAN | 2 WAN | Modular WAN | 2 WAN | 2 WAN |
LAN Ports | Modular LAN | 4 LAN Ports | Modular LAN | 8 LAN Ports | Modular LAN |
Ethernet Technology | 10/100 | 10/100/1000 | 10G | 10/100/1000 | 10/100/1000 |
Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
Wireless Support | No | No | No | No | No |
Speed/Capacity | Fast Ethernet (100 Mbps) | Gigabit | 10gb | Gigabit | Gigabit |
Routing Protocols Supported | - | - | - | - | - |
VPN Support | IPSec | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN |
Firewall Features | Yes | Yes | No | Yes | Yes |
Features | VPN / Firewall / IPv6 Compatible | VPN, Firewall, Intrusion Prevention, IPv6 Compatible | VPN, Modular, High Throughput, Redundancy | VPN / Firewall / IPv6 Compatible | VPN / IPv6 Compatible / Firewall / QoS |
Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
Management | Managed | Managed | Managed | Managed | Managed |
Form Factor | Rack-mount / Desktop | Rack-mount | Chassis | Rack-mount | Rack-mount |
Integrated Services | Voice / WAN Optimization | Voice, Video, WAN Optimization | VPN | Voice / WAN Optimization | Voice / Video |
High Availability Support | Supported | Supported | Supported | Supported | Supported |
Throughput Capacity | 75 Mbps | 100 Mbps | 10 Gbps | 10 Gbps | 2 Gbps |
QoS Features | Supported | Supported | Supported | Supported | Supported |
Built-in Security Features | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection |
Expansion Slots | NIM | EHWIC | SFP+ | NIM | EHWIC / SFP+ |
Modular Slots Available | 2 Slots | 2 Slots | N/A | 3+ Slots | 3+ Slots |
Stacking Capability | No | No | No | Yes | Yes |
5G Support | No | No | No | No | No |
Memory | 128 MB | 256 MB | 512 MB | 4 GB | 4 GB |
Flash Memory | 256 MB | 256 MB | 256 MB | 512 MB | 512 MB |
Interface Ports | RJ-45 | RJ-45, SFP | SFP+ | RJ-45 / SFP | RJ-45 / SFP+ |
Device Type | Router | Router | Router Module | Router | Router |
Product Name | Cisco C2811-3G-S-SEC/K9 | Cisco C2851-VSEC-SRST/K9 | 7609-S323B-10G-P | JG732A Enterprise Modular Router | 8818-SYS Enterprise Modular Router |
Height | 4.4 inches | N/A | N/A | 2 inches | 3 inches |
Width | 17.5 inches | N/A | N/A | 17 inches | 17 inches |
Depth | 14.5 inches | N/A | N/A | 15 inches | 18 inches |
Weight | 22 lbs | N/A | N/A | 12 lbs | 30 lbs |
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