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Name: |
CISCO2851-AC-IP |
Description: | 2851 w/ AC+POE,2GE,4HWIC,3PVDM,1NME-XD,2AIM,IP BASE,128F/512D |
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GTIN: | 746320911755 ![]() |
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CISCO2851-AC-IP Overview
CISCO2851-AC-IP is a modular, integrated services router designed for enterprise branch networking with a robust architecture that combines flexible power options, dual 10/100 Ethernet interfaces, and modular expansion capabilities. It delivers integrated services including voice, video, and data while offering secure VPN features, built‐in firewall, and advanced QoS, ensuring reliable performance and scalability for demanding WAN/LAN environments.
CISCO2851-AC-IP supports versatile deployment use cases with configurable interface options, efficient throughput for small to medium branch offices, and the ability to integrate additional modules via its EHWIC/NIM slots. Its design focuses on reliable operation with high performance routing, comprehensive security, and the option for future enhancements, making it an excellent choice for secure branch connectivity and converged network communications.
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CISCO2851-AC-IP Specifications
Product Type | Enterprise Router |
VPN Support | IPSec / DMVPN / N/A |
Power Source | AC Power Supply |
Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
Broadband | N/A |
Architecture | Modular |
WAN Configuration | Dual WAN |
WAN Ports | 2 WAN |
LAN Ports | N/A |
Ethernet Technology | 10/100 |
Wi-Fi Standard | N/A |
Connectivity Type | Wired |
Network Protocols | IPv4, IPv6 |
Remote Management | CLI, SNMP, SSH |
Compliance Standards | FCC, CE |
Wireless Support | No |
Speed/Capacity | N/A |
Firewall Features | Yes |
Features | VPN / VoIP / IPv6 Compatible / Firewall / MPLS |
Use Case | Enterprise |
Management | Managed |
Form Factor | Rack-mount |
Integrated Services | Voice / Video |
High Availability Support | Not Supported |
Safety | N/A |
EMC | N/A |
Telecom | N/A |
Throughput Capacity | 0.075 |
QoS Features | Supported |
Built-in Security Features | Firewall / Intrusion Prevention |
Expansion Slots | EHWIC / NIM |
Modular Slots Available | 2 Slots |
Stacking Capability | No |
5G Support | No |
Memory | 512 MB |
Flash Memory | 256 MB |
Interface Ports | RJ-45 |
Power | 125 W |
Device Type | Router |
Product Name | Cisco 2851-AC-IP Integrated Services Router |
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 | Router Supervisor Module | Enterprise Router | Enterprise Router | Enterprise Router |
Connectivity Type | Wired | Wired | Wired | Wired | Wired |
Broadband | N/A | N/A | Fiber Optic | Fiber Optic / DSL | Fiber Optic / DSL |
Power Source | AC Power Supply | AC/DC, Redundant | AC Power Supply / DC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant |
Architecture | Modular | Modular | Modular | Modular | Modular |
WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
WAN Ports | 2 WAN | Modular WAN | 2 WAN | 2 WAN | 2 WAN |
LAN Ports | N/A | Modular LAN | 8 LAN Ports | 4 LAN Ports | 8 LAN Ports |
Ethernet Technology | 10/100 | 10/100/1000 | 10/100/1000 | 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 | N/A | Gigabit | Gigabit | Gigabit | Gigabit |
Routing Protocols Supported | - | - | - | - | - |
VPN Support | IPSec / DMVPN / N/A | IPSec / SSL VPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / GRE |
Firewall Features | Yes | Yes | Yes | Yes | Yes |
Features | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN, Firewall, IPv6 Compatible, Redundancy | VPN / Firewall / MPLS / IPv6 Compatible / WAN Optimization | VPN, Firewall, IPv6 Compatible | VPN, Firewall, IPv6 Compatible, High Availability, Modular Expansion |
Use Case | Enterprise | Enterprise, Service Provider, Mission-Critical | Enterprise | Enterprise | Enterprise |
Management | Managed | Managed | Managed | Managed | Managed |
Form Factor | Rack-mount | Rack-mount / Chassis | Rack-mount | Rack-mount | Rack-mount |
Integrated Services | Voice / Video | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice, WAN Optimization | Voice, Video, WAN Optimization |
High Availability Support | Not Supported | Supported | Supported | Supported | Supported |
Throughput Capacity | 0.075 | 720 Mbps | 10 Gbps | 1 Gbps | 10 Gbps |
QoS Features | Supported | Supported | Supported | Supported | Supported |
Built-in Security Features | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection |
Expansion Slots | EHWIC / NIM | EHWIC, NIM | NIM | NIM | SFP+ |
Modular Slots Available | 2 Slots | 3+ Slots | 3+ Slots | 2 Slots | 3+ Slots |
Stacking Capability | No | Yes | Yes | Yes | Yes |
5G Support | No | No | No | No | No |
Memory | 512 MB | 4 GB | 4 GB | 2 GB | 4 GB |
Flash Memory | 256 MB | 512 MB | 512 MB | 512 MB | 512 MB |
Interface Ports | RJ-45 | RJ-45, SFP, Combo Ports | RJ-45 / SFP | RJ-45, SFP | RJ-45, SFP, SFP+ |
Device Type | Router | Router | Router | Router | Router |
Product Name | Cisco 2851-AC-IP Integrated Services Router | 7603S-SUP720B-R Supervisor Module | JG182A Enterprise Modular Router | AR151-S Enterprise Router | CR5B0BKP166A Modular Enterprise Router |
Height | N/A | N/A | 2 inches | 1.75 inches | 1.75 inches |
Width | N/A | N/A | 17 inches | 17.5 inches | 19 inches |
Depth | N/A | N/A | 15 inches | 18 inches | 18 inches |
Weight | N/A | N/A | 10 lbs | 15 lbs | 15 lbs |
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