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C2811-3G-S-SEC/K9
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- Cisco 2811, HWIC-3G-CDMA-S, 128F/512D DRAM, Adv Security
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C2811-3G-S-SEC/K9
Cisco 2811, HWIC-3G-CDMA-S, 128F/512D DRAM, Adv Se...
$3,950.00
$1,792.00
11 in Global Warehouse
$1,792.00
55% off
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C2811-3G-S-SEC/K9 Overview
C2811-3G-S-SEC/K9 is a modular, integrated services router engineered for enterprise branch connectivity with built‐in 3G WAN support and robust security features. Designed with a modular chassis architecture, it provides flexible power options, including an internal AC power supply with optional redundancy, and delivers multiple WAN/LAN interfaces that can be configured to meet diverse deployment scenarios.
C2811-3G-S-SEC/K9 integrates voice, data, and secure VPN services in a high-performance platform that supports industry-standard routing protocols and advanced firewall capabilities. Its modular expansion slots allow for additional network services while maintaining consistent throughput and high availability for mission-critical use cases in enterprise environments.
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C2811-3G-S-SEC/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec |
| Power Source | AC Power Supply / Optional Redundant |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Modular |
| WAN Configuration | Dual WAN |
| WAN Ports | 2 WAN |
| LAN Ports | Modular LAN |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | OSPF / EIGRP / RIP / BGP / Static Routing |
| Remote Management | Telnet / SSH / SNMP |
| Compliance Standards | FCC / CE |
| Wireless Support | No |
| Speed/Capacity | Fast Ethernet (100 Mbps) |
| Firewall Features | Yes |
| Features | VPN / Firewall / IPv6 Compatible |
| Use Case | Enterprise |
| Management | Managed |
| Form Factor | Rack-mount / Desktop |
| Integrated Services | Voice / WAN Optimization |
| High Availability Support | Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | 75 Mbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall / Intrusion Prevention |
| Expansion Slots | NIM |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 128 MB |
| Flash Memory | 256 MB |
| Interface Ports | RJ-45 |
| Power | 290W |
| Device Type | Router |
| Product Name | Cisco C2811-3G-S-SEC/K9 |
| Height | 4.4 inches |
| Width | 17.5 inches |
| Depth | 14.5 inches |
| Weight | 22 lbs |
C2811-3G-S-SEC/K9 Use Case
Secure Remote Branch Connectivity for Rural Offices
Enterprises deploying the Cisco 2811 Integrated Services Router (C2811-3G-S-SEC/K9) with HWIC-3G-CDMA-S, 128 MB Flash/512 MB DRAM and Advanced Security can establish encrypted VPN tunnels over 3G networks when fixed-line WAN links are unavailable. In a field office or retail outlet in a remote location, this configuration ensures continuous, PCI-compliant data transmission to headquarters, reduces downtime by 99.9%, and maintains enterprise-grade firewall, IPS and VPN protection without on-site IT staff.
Mobile Emergency Response Command Center
Disaster-response units mount a Cisco 2811 (C2811-3G-S-SEC/K9) with HWIC-3G-CDMA-S, 128 MB Flash/512 MB DRAM and Advanced Security in vehicles to provide resilient, secure broadband connectivity in crisis zones. Real-time video surveillance, VoIP communications and GIS mapping run simultaneously over encrypted 3G links. The outcome is rapid situational awareness, hardened perimeter defense and guaranteed access to critical data feeds—even when terrestrial networks are down.
Always-On POS Backup for Retail Chains
National retailers integrate the Cisco 2811 Integrated Services Router with HWIC-3G-CDMA-S, 128 MB Flash/512 MB DRAM and Advanced Security as an automatic failover appliance for point-of-sale terminals. In the event of primary DSL or cable outage, the router instantly switches to 3G-CDMA connectivity, keeping transactions flowing with end-to-end encryption and compliance to PCI-DSS. This reduces revenue loss by up to 100% during service interruptions and safeguards customer data.
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 | - |
| Architecture | Modular | Modular | Modular | Fixed | - |
| Broadband | N/A | N/A | N/A | N/A | - |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | - |
| Compliance Standards | FCC / CE | FCC / CE | FCC, CE | FCC / IC | - |
| Connectivity Type | Wired | Wired | Wired | Wired | - |
| Depth | 14.5 inches | N/A | N/A | N/A | - |
| Device Type | Router | Router | Router | Router | - |
| EMC | N/A | N/A | N/A | N/A | - |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | - |
| Expansion Slots | NIM | EHWIC | EHWIC / NIM | EHWIC | - |
| Features | VPN / Firewall / IPv6 Compatible | Modular / VPN / Firewall / Integrated Security | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / IPv6 Compatible / Firewall | - |
| Firewall Features | Yes | Yes | Yes | Yes | - |
| Flash Memory | 256 MB | 256 MB | 256 MB | 128 MB | - |
| Form Factor | Rack-mount / Desktop | Rack-mount | Rack-mount | Desktop | - |
| Height | 4.4 inches | N/A | N/A | N/A | - |
| High Availability Support | Supported | Not Supported | Not Supported | Not Supported | - |
| Integrated Services | Voice / WAN Optimization | Voice / Security | Voice / Video | Voice / Video / WAN Optimization | - |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | - |
| LAN Ports | Modular LAN | 2 LAN Ports | N/A | N/A | - |
| Management | Managed | Managed | Managed | Managed | - |
| Memory | 128 MB | 256 MB | 512 MB | 256 MB | - |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | - |
| Network Protocols | OSPF / EIGRP / RIP / BGP / Static Routing | IPv4 / IPv6 | IPv4, IPv6 | IPv4 / IPv6 | - |
| Power | 290W | 350 W | 125 W | 65 W | - |
| Power Source | AC Power Supply / Optional Redundant | AC Power Supply | AC Power Supply | AC Power Supply | - |
| Product Name | Cisco C2811-3G-S-SEC/K9 | Cisco 2811 Integrated Services Router - High Security (C2811-H-VSEC/K9) | Cisco 2851-AC-IP Integrated Services Router | CISCO2801-HSEC/K9 | - |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | - |
| QoS Features | Supported | Supported | Supported | Supported | - |
| Remote Management | Telnet / SSH / SNMP | Telnet / SSH / SNMP / HTTP/HTTPS | CLI, SNMP, SSH | Telnet / SSH / SNMP | - |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | - |
| Safety | N/A | N/A | N/A | N/A | - |
| Speed/Capacity | Fast Ethernet (100 Mbps) | 10/100 | N/A | N/A | - |
| Stacking Capability | No | No | No | No | - |
| Telecom | N/A | N/A | N/A | N/A | - |
| Throughput Capacity | 75 Mbps | 50 Mbps | 0.075 | 0.025 Gbps | - |
| Use Case | Enterprise | Enterprise | Enterprise | Business / Enterprise | - |
| VPN Support | IPSec | IPSec / SSL VPN | IPSec / DMVPN / N/A | IPSec / SSL VPN | - |
| WAN Configuration | Dual WAN | WAN | Dual WAN | WAN | - |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | - |
| Weight | 22 lbs | N/A | N/A | N/A | - |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | - |
| Width | 17.5 inches | N/A | N/A | N/A | - |
| Wireless Support | No | No | No | No | - |
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Questions & Answers
Q
What is the Cisco 2811-3G-S-SEC/K9 router?
A
The Cisco 2811-3G-S-SEC/K9 is an integrated services router featuring advanced security, a built-in HWIC-3G-CDMA-S wireless WAN module, 128 MB CompactFlash, and 512 MB DRAM, designed for branch office and mobile networking deployments.
Q
What is the HWIC-3G-CDMA-S module included?
A
The HWIC-3G-CDMA-S is a high-speed WAN interface card that provides 3G CDMA wireless connectivity up to 2.4 Mbps, offering reliable primary or backup uplink services in remote and mobile locations.
Q
What are the memory specifications of the Cisco 2811?
A
This router ships with 512 MB of DRAM and 128 MB of CompactFlash. It supports optional upgrades up to 1 GB of DRAM and 256 MB of flash for enhanced performance and storage capacity.
Q
What advanced security features does the Cisco 2811 support?
A
It supports Cisco IOS Security with Stateful Packet Inspection firewall, intrusion prevention (IPS), NAT, VPN (IPsec/SSL), and optional Security Contexts for secure segmentation and traffic control.
Q
What is the throughput performance of the Cisco 2811?
A
The Cisco 2811 delivers up to 85 Mbps of application forwarding performance and can handle aggregate throughput of up to 180 Mbps across data, voice, and security services.
Q
Which WAN connectivity options are available?
A
You can deploy Ethernet, T1/E1, xDSL, and the integrated HWIC-3G-CDMA-S 3G module, offering flexible broadband and wireless uplink options to meet diverse network requirements.
Q
What interfaces are onboard?
A
Out of the box, the router includes two switchable 10/100/1000 Mbps Ethernet ports, two WIC slots, two HWIC slots, three integrated Mini-GBIC slots, plus console and auxiliary ports.
Q
What operating system and IOS features does it support?
A
It runs Cisco IOS Software with feature sets such as Security, IP Base, and Unified Communications, delivering integrated routing, switching, security, and voice functionalities.
Q
What licensing is required?
A
The Security license (SEC) is pre-installed, enabling full access to advanced security, VPN, firewall, and IPS features without additional software activation or purchase.
Q
How do I configure the 3G CDMA connectivity?
A
Configure under interface cellular0/0/0 in IOS CLI: set APN, authentication, and dialing profiles (using 'mobile data' commands), then verify with 'show cellular 0/0/0 all'.
Q
What environments and use cases are ideal?
A
The Cisco 2811-3G-S-SEC/K9 is ideal for branch offices, retail stores, remote sites, and mobile deployments requiring secure WAN connectivity, automatic link failover, and integrated voice services.
Q
How can I upgrade the memory and modules?
A
Power down the router, open the chassis, install additional DRAM in the DIMM slot, swap CompactFlash cards, and add HWIC/WIC modules per Cisco’s hardware installation guidelines.
Q
What are the physical and power specifications?
A
Dimensions: 1.75 × 44.5 × 24.1 cm; Weight: 4.9 kg; Power: 110–240 VAC at 50–60 Hz; Operating temperature: 0 °C to 40 °C; Maximum power consumption: 72 W.
Q
Does it support VPN and encryption?
A
Yes. It supports IPsec and SSL VPNs with AES and 3DES encryption, dynamic crypto peer negotiation, and Group Encrypted Transport VPN (GETVPN) for secure data in transit.
Q
What voice features are supported?
A
The router supports VoIP with MGCP, SIP, and H.323 protocols, up to 50 concurrent calls, TDM voice modules, Cisco Unified CME, and conferencing for unified voice and data services.
Q
What warranty and support options are available?
A
It includes Cisco’s limited lifetime hardware warranty and 90-day software support. Optional SMARTnet contracts provide 24/7 technical assistance, next-business-day hardware replacement, and software upgrades.
