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CISCO2851-DC
2851 w/ DC PWR,2GE,4HWIC,3PVDM,1NME-XD,2AIM,IP BASE,128F/512...
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CISCO2851-DC is a fixed, enterprise-grade integrated services router designed with robust security and performance features. It offers a DC power option, dual WAN interfaces alongside multiple LAN ports, and supports integrated services such as voice, video, and WAN optimization for seamless connectivity and collaboration.
Built for high availability and modular flexibility, the CISCO2851-DC provides advanced VPN capabilities including IPSec, SSL VPN, and DMVPN to establish secure remote connections. Its architecture is optimized for efficient throughput, redundancy, and QoS, making it ideal for enterprise deployments that require reliable routing, integrated security, and performance-driven connectivity.
CISCO2851-DC price is $3,176.00, a 54.6% saving from the Cisco list price of $6,995.00. CISCO2851-DC is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CISCO2851-DC for additional pricing. Browse the full Router Isr 2800 series or explore all Cisco products.
To get the detailed certification, please go to the Compliance Center.
 CISCO2851-DC |  C2851-VSEC/K9 |  C2801-10UC/K9 |  CISCO2811-ADSL2/K9 |  C2821-25UC-VSEC/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Modular | Fixed | Modular | Fixed |
| Broadband | N/A | N/A | N/A | DSL | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention, Malware Protection, VPN | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall |
| Compliance Standards | FCC / CE / UL | FCC, CE, UL | FCC / CE / RoHS | RoHS / FCC / CE | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 15.2 inches | N/A | N/A | 15.2 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 | EHWIC | EHWIC | EHWIC |
| Features | VPN / VoIP / IPv6 Compatible / Firewall | VPN, Firewall, IPv6 Compatible, Modular, Integrated Security | VPN / VoIP / IPv6 Compatible / Firewall | VPN / Firewall / IPv6 Compatible | VPN / VoIP / Firewall / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 128 MB | 256 MB | 256 MB | 128 MB |
| Form Factor | Rack-mount | Rack-mount | Desktop | Rack-mount / Desktop | Rack-mount |
| Height | 1.73 inches | N/A | N/A | 1.75 inches | N/A |
| High Availability Support | Supported | Supported | Supported | Not Supported | Not Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice, Data, Security | Voice / Video | Voice / Video / WAN Optimization | Voice |
| Interface Ports | RJ-45 / SFP | RJ-45, WIC | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | N/A | Modular LAN | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 256 MB | 512 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 3+ Slots | 2 Slots |
| Network Protocols | IP, TCP, UDP, ICMP | IPv4, IPv6 | IP / IPX / IPv6 | IP / TCP / UDP / ICMP | IPv4, IPv6 |
| Power | 60W | 150 Watts | 65 Watt | 150W | 65 W |
| Power Source | DC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | CISCO2851-DC Integrated Services Router | Cisco C2851-VSEC/K9 Integrated Services Router | Cisco 2801 Integrated Services Router | CISCO2811-ADSL2/K9 | Cisco 2821 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Integrated Services Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH | HTTP, SSH, Telnet, SNMP | Telnet / SSH / SNMP | Telnet / SSH | Telnet / SSH / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / BGP / 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 | Gigabit | 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 | 30 Mbps | 100 Mbps | 0.075 Gbps | 0.075 Gbps | 25 Mbps |
| Use Case | Enterprise | Enterprise | Business | Business / Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN / DMVPN | IPSec VPN | IPSec / SSL VPN / DMVPN | IPSec | IPSec |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 1 WAN | 2 WAN |
| Weight | 23 lbs | N/A | N/A | 14 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.3 inches | N/A | N/A | 17.3 inches | N/A |
| Wireless Support | No | No | No | No | No |
Cisco 2851 with DC power delivers stable routing and UC performance. Handles multiple WAN/LAN connections efficiently for medium branches.
Durable and predictable. Supports multiple HWIC and PVDM modules reliably for voice and data operations.
Easy to deploy and manage. Provides consistent UC, voice, and IP routing performance.
Reliable Cisco solution. Maintains stable communications and secure UC operations across medium office branches.
High-performing and robust. Perfect for medium offices needing predictable voice, UC, and routing performance.
The Cisco 2851-DC is a high-performance modular branch router with DC power support, dual Gigabit Ethernet ports, expandable interface slots and the IP Base feature set.
The Cisco 2851-DC supports 12–48 VDC input power for environments where AC mains power is unavailable or for telecom and industrial deployments.
The Cisco 2851-DC provides two built-in Gigabit Ethernet ports for high-speed LAN and WAN connectivity.
The Cisco 2851-DC features four High-Speed WAN Interface Card (HWIC) slots for flexible WAN uplink and service module installation.