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C2811-3G-G-SEC/K9
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- Cisco 2811, HWIC-3G-GSM, 128F/512D DRAM, Adv Security
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C2811-3G-G-SEC/K9
Cisco 2811, HWIC-3G-GSM, 128F/512D DRAM, Adv Secur...
$3,950.00
$1,792.00
8 in Global Warehouse
$1,792.00
55% off
TRUSTED, TRIED, PROVEN
C2811-3G-G-SEC/K9 Overview
C2811-3G-G-SEC/K9 is a modular enterprise router engineered for robust performance with integrated security and versatile connectivity. Designed with a modular architecture, it offers flexible expansion through NIM/EHWIC slots while supporting a range of power options via an external AC supply; its dual-use WAN/LAN configuration and integrated security services make it an ideal solution for secure branch networking.
C2811-3G-G-SEC/K9 delivers high throughput and redundant performance with advanced VPN features, ensuring reliable encrypted communications for business-critical applications. Its built-in support for voice, VPN, and firewall functions, coupled with modular upgrade capabilities and multiple routing protocols, makes it well suited for enterprise use cases that demand secure, resilient, and scalable networking.
What is the price of C2811-3G-G-SEC/K9?
Lowest price of C2811-3G-G-SEC/K9 is $ 1,792.00. Shop now! Get further exclusive discounts with bulk quotation on C2811-3G-G-SEC/K9
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C2811-3G-G-SEC/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec |
| Power Source | AC Power Supply |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Modular |
| WAN Configuration | WAN |
| WAN Ports | 2 WAN |
| LAN Ports | Modular LAN |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IP / IPX / Frame Relay / PPP / HDLC |
| Remote Management | CLI / SNMP / Telnet / SSH |
| Compliance Standards | FCC / CE |
| Wireless Support | No |
| Speed/Capacity | N/A |
| Firewall Features | Yes |
| Features | VPN / VoIP / IPv6 Compatible / Firewall |
| Use Case | Enterprise |
| Management | Managed |
| Form Factor | Chassis |
| Integrated Services | Voice |
| High Availability Support | Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | 0.03 Gbps |
| 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 | 128 MB |
| Flash Memory | 256 MB |
| Interface Ports | RJ-45 |
| Power | 65W |
| Device Type | Router |
| Product Name | Cisco 2811 Integrated Services Router with 3G and Security |
| Height | 1.73 inches |
| Width | 17.20 inches |
| Depth | 16.10 inches |
| Weight | 23 lbs |
C2811-3G-G-SEC/K9 Use Case
Reliable Cellular WAN Failover for Remote Branch Connectivity
Scenario: A retail chain’s rural store relies on an MPLS link that suffers frequent outages. By deploying the Cisco 2811 (C2811-3G-G-SEC/K9) with HWIC-3G-GSM and 128F/512D DRAM, the store instantly switches to secure 3G backup whenever primary WAN fails. Outcome: 99.9% network uptime, uninterrupted POS transactions, and advanced security enforcement—including Stateful Firewall, IPS and VPN encryption—without manual intervention.
Secure Mobile VPN for Emergency Response and Field Operations
Scenario: A government agency requires on-the-fly, encrypted communications for mobile command centers in disaster zones. The Cisco 2811-SEC router with HWIC-3G-GSM provides instant 3G connectivity, while 128F/512D DRAM ensures high throughput for concurrent VPN tunnels. Outcome: Fast, AES-encrypted remote access to critical systems, zero trust edge firewall protection, and resilient cellular link performance for reliable field coordination.
Real-Time IoT Edge Aggregation and Security in Remote Asset Monitoring
Scenario: An oil and gas operator needs secure telemetry from remote wellheads over cellular networks. The C2811-3G-G-SEC/K9 paired with HWIC-3G-GSM and ample DRAM aggregates multi-sensor data locally, applies Advanced Security features (VPN, ACLs, IPS), and tunnels it back to the data center. Outcome: Low-latency, encrypted sensor feeds, simplified field device management, and proactive intrusion prevention safeguarding critical infrastructure.
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 | Fixed | Modular | Modular | Fixed |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, VPN | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE | RoHS, FCC, CE | FCC, CE | FCC / CE | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 16.10 inches | 14.0 inches | N/A | 14.96 inches | 16.1 inches |
| 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 / NIM | EHWIC | EHWIC / NIM | NIM | EHWIC |
| Features | VPN / VoIP / IPv6 Compatible / Firewall | VPN, Firewall, Intrusion Prevention, IPv6 Compatible | VPN, IPv6 Compatible, Firewall, MPLS | VPN / IPv6 Compatible / Firewall | VPN / NAT / Firewall / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 256 MB | 128 MB | 128 MB |
| Form Factor | Chassis | Rack-mount, Desktop | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 3.0 inches | N/A | 1.72 inches | 1.73 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Not Supported |
| Integrated Services | Voice | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45, Serial, Modular Slots | RJ-45 | RJ-45 |
| LAN Ports | Modular LAN | N/A | Modular LAN | 2 LAN Ports | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 128 MB | 256 MB | 128 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 3+ Slots | 2 Slots | 2 Slots |
| Network Protocols | IP / IPX / Frame Relay / PPP / HDLC | IPv4, IPv6 | IP, IPX, AppleTalk | IPv4 / IPv6 | IPv4 / IPv6 |
| Power | 65W | 65 W | 130 Watts | 80W | 150W |
| Power Source | AC Power Supply | AC Power Supply / Redundant | AC Power Supply | AC Power Supply / Redundant | AC Power Supply |
| Product Name | Cisco 2811 Integrated Services Router with 3G and Security | Cisco 2821 Integrated Services Router Security (CISCO2821-SEC/K9) | Cisco 2811 Integrated Services Router (C2811-VSEC/K9) | CISCO2811-SRST/K9 | Cisco 2821 AC-IP Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI / SNMP / Telnet / SSH | SSH, Telnet, SNMP | Telnet, SSH, SNMP | SSH / Telnet / SNMP | SSH / Telnet / 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 | OSPF / 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 | 10/100 |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.03 Gbps | 0.075 Gbps | 25 Mbps | 0.025 Gbps | 0.075 Gbps |
| Use Case | Enterprise | Enterprise, Business | Enterprise | Enterprise / Small Business | Business / Enterprise |
| VPN Support | IPSec | IPSec / SSL VPN / N/A | IPSec | IPSec | IPSec / SSL VPN |
| WAN Configuration | WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 23 lbs | 12 lbs | N/A | 21.52 lbs | 13 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.20 inches | 17.0 inches | N/A | 17.24 inches | 17.3 inches |
| Wireless Support | No | No | No | No | No |
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Questions & Answers
Q
What are the key features of the Cisco 2811 C2811-3G-G-SEC/K9 router?
A
The Cisco 2811 C2811-3G-G-SEC/K9 integrates 3G-GSM WAN, advanced security (stateful firewall, IPS, VPN), two WAN interfaces, three LAN ports, modular HWIC support, 128 MB Flash, and 512 MB DRAM for secure branch connectivity.
Q
What hardware components are included with SKU C2811-3G-G-SEC/K9?
A
This SKU includes the Cisco 2811 router chassis, HWIC-3G-GSM module, power supply, mounting brackets, console cable, 128 MB Flash card, and 512 MB DRAM.
Q
What memory and storage capacities does the Cisco 2811 offer?
A
The router ships with 512 MB of DRAM for processing and 128 MB of Flash memory for Cisco IOS image and configuration storage.
Q
Which security features are enabled by the Advanced Security license?
A
The Advanced Security license provides stateful firewall, intrusion prevention (IPS), IPsec VPN termination, secure application inspection, and content filtering for comprehensive branch protection.
Q
What network interfaces are available on the Cisco 2811 C2811-3G-G-SEC/K9?
A
It offers two fixed WAN interfaces (E1/T1 or Fast Ethernet), three switched 10/100 LAN ports, one HWIC-3G-GSM slot, and two optional HWIC/MM slots for additional connectivity.
Q
Does the Cisco 2811 support 3G-GSM connectivity and failover?
A
Yes, the integrated HWIC-3G-GSM module enables primary or backup 3G connectivity with automatic failover to ensure uninterrupted WAN access.
Q
What maximum throughput can I expect from this router?
A
With the Security Advantage license, the Cisco 2811 delivers up to 30 Mbps of firewall throughput and up to 25 Mbps of VPN throughput under typical branch loads.
Q
Which Cisco IOS software versions are compatible with C2811-3G-G-SEC/K9?
A
This platform supports Cisco IOS 12.4(24)T, 15.1(4)M and later maintenance releases, delivering feature sets for security, voice, and data services.
Q
How many IPsec VPN tunnels does the Cisco 2811 handle?
A
The router supports up to 100 concurrent IPsec VPN tunnels, enabling secure site-to-site and remote-access deployments.
Q
What power supply options and requirements are supported?
A
The Cisco 2811 includes an internal 100–240 VAC, 50/60 Hz universal power supply with optional redundant DC power modules for high-availability installations.
Q
How can I expand or upgrade modules on the Cisco 2811 router?
A
You can install additional HWIC or WIC modules in the two expansion slots to add WAN interfaces, voice ports, or enhanced I/O capabilities without service interruption.
Q
What are the physical dimensions and environmental specifications?
A
The Cisco 2811 measures 44.5 cm x 26.7 cm x 4.4 cm, weighs 4.5 kg, operates from 0 °C to 40 °C, and stores between –20 °C and 70 °C.
Q
Is the Cisco 2811 C2811-3G-G-SEC/K9 suitable for small to medium branch offices?
A
Yes, its integrated security, 3G failover, modular expansion, and voice/data features make it ideal for SMB and enterprise branch deployments.
Q
What management interfaces does the Cisco 2811 support?
A
You can manage the router via CLI over console or SSH, Cisco Configuration Professional GUI, SNMP, or Embedded Event Manager (EEM) scripting.
Q
What warranty and support options are available for this router?
A
Cisco offers a one-year limited hardware warranty plus optional SMARTnet service for 24x7 support, software updates, and next-day hardware replacement.
