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Ethan Roberts
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Advanced security router with reliable performance. Keeps business networks protected and consistently online.
CISCO1841-SEC/K9
Cisco 1841 Router Security Bundle, Adv. Security, 64FL/256D...
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CISCO1841-SEC/K9
- Description:
- Cisco 1841 Router Security Bundle, Adv. Security, 64FL/256DR
- Rating:
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- Brand:
- Cisco
- GTIN:
- 818217065602
- Condition:
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CISCO1841-SEC/K9 Overview
CISCO1841-SEC/K9 is a modular integrated services router built on a fixed architecture that delivers flexible power options and a comprehensive mix of WAN and LAN interfaces, including dual serial WAN ports and integrated Fast Ethernet ports, to enable secure, high-performance connectivity. Designed for high-security environments, it integrates robust VPN capabilities with hardware‐accelerated encryption and firewall features, ensuring dependable throughput and performance for demanding network traffic.
Engineered to support small business and branch office use cases, the CISCO1841-SEC/K9 offers modular expansion slots for additional interface cards and optional redundant power configurations to enhance reliability. Its integrated services—such as voice support alongside advanced security measures—combine with its solid build and manageable form factor to deliver a balanced solution for secure, efficient network deployments.
CISCO1841-SEC/K9 price is is available on request. Get immediate quote.
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CISCO1841-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
- Dual WAN
- WAN Ports
- 2 WAN
- LAN Ports
- 4 LAN Ports
- Ethernet Technology
- 10/100
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired / Ethernet
- Network Protocols
- IPv4 / IPv6
- Remote Management
- Telnet / SSH
- Compliance Standards
- FCC / CE
- Wireless Support
- No
- Speed/Capacity
- N/A
- Firewall Features
- Yes
- Features
- VPN / Firewall / IPv6 Compatible
- Use Case
- Small Business
- Management
- Managed
- Form Factor
- Rack-mount
- Integrated Services
- Voice
- High Availability Support
- Not Supported
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- Throughput Capacity
- 0.035 Gbps
- 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
- 512 MB
- Flash Memory
- 128 MB
- Interface Ports
- RJ-45
- Power
- 65 Watt
- Device Type
- Router
- Product Name
- Cisco 1841 Integrated Services Router Security (K9)
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- 12 lbs
CISCO1841-SEC/K9 Use Case
Secure Remote Branch Connectivity with CISCO1841-SEC/K9 Cisco 1841 Router Security Bundle
In a global professional services firm, the Cisco 1841 Router Security Bundle (CISCO1841-SEC/K9, Adv. Security, 64FL/256DR) establishes site-to-site IPsec VPN tunnels between five remote offices and the headquarters data center. Leveraging hardware-accelerated AES-256 encryption and integrated stateful firewall, the solution delivers enterprise-grade security at wire-speed. Benefit: cuts VPN setup time by 60%, enforces consistent access policies, and ensures SOX and GDPR compliance for all branches.
PCI-DSS Compliant Retail Network Segmentation with Cisco 1841 Adv. Security Bundle
A national retail chain deploys the Cisco 1841 Router Security Bundle (CISCO1841-SEC/K9, Adv. Security, 64FL/256DR) at each store to isolate point-of-sale terminals in a secured DMZ. Using built-in IDS/IPS, deep-packet inspection and high-performance 256-bit routing, it segments credit-card data from corporate traffic. Benefit: achieves and maintains PCI-DSS compliance with 99.9% uptime, reduces audit remediation by 70%, and prevents unauthorized data exfiltration at the network edge.
Industrial IoT Edge Security in Manufacturing with Cisco 1841 Security Bundle
In a smart manufacturing plant, the Cisco 1841 Router Security Bundle (CISCO1841-SEC/K9, Adv. Security, 64FL/256DR) secures SCADA and IoT device networks by enforcing segmented VLANs and real-time anomaly detection. The 64-bit forwarding engine and robust firewall policies maintain sub-millisecond latency for robotic control systems. Benefit: reduces network-related production downtime by 40%, enforces NERC CIP standards, and delivers continuous visibility into industrial control traffic.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 CISCO1841-SEC/K9 |  C1861-UC-2BRI-K9 |  C1861-UC-4FXO-K9 |  C1861W-SRST-C-F/K9 |  C1841-3G-G | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Fixed | Fixed | Fixed | Fixed |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE | FCC, CE | FCC, CE | FCC / CE / UL | IEEE 802.3, IEEE 802.3u |
| Connectivity Type | Wired / Ethernet | Wired | Wired | Wired | Wired |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | FCC, CE | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | NIM | N/A | EHWIC | EHWIC | EHWIC |
| Features | VPN / Firewall / IPv6 Compatible | VPN, Firewall, Unified Communications | VPN / VoIP / Firewall / IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 128 MB | 128 MB | 128 MB | 256 MB |
| Form Factor | Rack-mount | Desktop | Rack-mount | Desktop | Rack-mount |
| Height | N/A | N/A | N/A | N/A | N/A |
| High Availability Support | Not Supported | Not Supported | Supported | Not Supported | Not Supported |
| Integrated Services | Voice | Voice, WAN Optimization | Voice | Voice | Voice |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 4 LAN Ports | N/A | N/A | 4 LAN Ports | N/A |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 256 MB | 256 MB | 512 MB | 128 MB |
| Modular Slots Available | 2 Slots | N/A | 1 Slot | 1 Slot | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IPv4, IPv6 | IP | IPv4, IPv6, MPLS | IPv4, IPv6, MPLS |
| Power | 65 Watt | 65 W | 60 Watt | 65W | 73 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco 1841 Integrated Services Router Security (K9) | Cisco 1861 Integrated Services Router UC-2BRI-K9 | Cisco 1861 Unified Communications Integrated Services Router (C1861-UC-4FXO-K9) | Cisco 1861W Integrated Services Router with SRST | Cisco 1841-3G-G |
| Product Type | Enterprise Router | Enterprise Router | Integrated Services Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH | Telnet, SSH, SNMP | Telnet, SSH, SNMP | CLI, SNMP, HTTP/HTTPS | Telnet, SSH, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | UL, cUL | N/A | N/A |
| Speed/Capacity | N/A | 10/100 | N/A | Gigabit | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | FCC Part 68 | N/A | N/A |
| Throughput Capacity | 0.035 Gbps | 0.03 Gbps | 0.025 Gbps | N/A | 0.045 Gbps |
| Use Case | Small Business | Business | Business | Small Business | Small Business |
| VPN Support | IPSec | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN / DMVPN / N/A | IPSec |
| WAN Configuration | Dual WAN | Dual WAN | WAN | Dual WAN | WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 12 lbs | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | WiFi 4 | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
| Wireless Support | No | No | No | Yes | No |
Reviews & Ratings
I
Isabella Brown
4
Cisco 1841-SEC provides stable routing and strong security features. Easy to deploy and manage.
B
Benjamin Scott
5
Handles daily business traffic efficiently. Ideal for small to medium office networks.
O
Olivia Carter
3
Reliable long-term performance with advanced security. Maintains stable connections under normal workloads.
L
Lucas Harris
4
Durable and secure router. Cisco quality ensures dependable branch office operations.
Questions & Answers
What is the Cisco 1841 Router Security Bundle (CISCO1841-SEC/K9)?
The CISCO1841-SEC/K9 is a Cisco 1841 integrated router and security bundle that includes Advanced Security features, 64 MB flash memory and 256 MB DRAM for branch and small-to-medium deployments.
Which advanced security features are included in the CISCO1841-SEC/K9 bundle?
It delivers zone-based firewall, Network Address Translation (NAT), intrusion prevention (IPS), VPN, URL filtering and advanced malware protection via Cisco IOS® Security.
What firewall and routing throughput does the Cisco 1841 deliver?
The router provides up to 85 Mbps of overall IP routing throughput and up to 25 Mbps of stateful firewall performance with all security services enabled.
What VPN capabilities does the Cisco 1841 support?
It supports site-to-site and remote-access VPN, including IPsec with IKEv1 and IKEv2, SSL VPN via Cisco Easy VPN, and up to 50 IPsec tunnels simultaneously.