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CISCO1841-SEC/K9
- Description:
- Cisco 1841 Router Security Bundle, Adv. Security, 64FL/256DR
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Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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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.
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Explore more options from Routers or explore other Cisco products.
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
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| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Modular | Fixed | Fixed |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection |
| Compliance Standards | FCC / CE / UL | IEEE 802.3, IEEE 802.3u | FCC / CE | FCC, CE | FCC, CE |
| Connectivity Type | Wired | Wired | Wired / Ethernet | 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 | N/A | FCC, CE | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | EHWIC | NIM | EHWIC | N/A |
| Features | VPN / VoIP / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall | VPN / Firewall / IPv6 Compatible | VPN / VoIP / Firewall / IPv6 Compatible | VPN, Firewall, Unified Communications |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 128 MB | 128 MB | 128 MB |
| Form Factor | Desktop | Rack-mount | Rack-mount | Rack-mount | Desktop |
| Height | N/A | N/A | N/A | N/A | N/A |
| High Availability Support | Not Supported | Not Supported | Not Supported | Supported | Not Supported |
| Integrated Services | Voice | Voice | Voice | Voice | Voice, WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 4 LAN Ports | N/A | 4 LAN Ports | N/A | N/A |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 128 MB | 512 MB | 256 MB | 256 MB |
| Modular Slots Available | 1 Slot | 2 Slots | 2 Slots | 1 Slot | N/A |
| Network Protocols | IPv4, IPv6, MPLS | IPv4, IPv6, MPLS | IPv4 / IPv6 | IP | IPv4, IPv6 |
| Power | 65W | 73 W | 65 Watt | 60 Watt | 65 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco 1861W Integrated Services Router with SRST | Cisco 1841-3G-G | Cisco 1841 Integrated Services Router Security (K9) | Cisco 1861 Unified Communications Integrated Services Router (C1861-UC-4FXO-K9) | Cisco 1861 Integrated Services Router UC-2BRI-K9 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Integrated Services Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI, SNMP, HTTP/HTTPS | Telnet, SSH, SNMP | Telnet / SSH | Telnet, SSH, SNMP | Telnet, SSH, SNMP |
| Routing Protocols | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | UL, cUL | N/A |
| Speed/Capacity | Gigabit | N/A | N/A | N/A | 10/100 |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | FCC Part 68 | N/A |
| Throughput Capacity | N/A | 0.045 Gbps | 0.035 Gbps | 0.025 Gbps | 0.03 Gbps |
| Use Case | Small Business | Small Business | Small Business | Business | Business |
| VPN Support | IPSec / SSL VPN / DMVPN / N/A | IPSec | IPSec | IPSec / SSL VPN | IPSec / SSL VPN |
| WAN Configuration | Dual WAN | WAN | Dual WAN | WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | N/A | N/A | 12 lbs | N/A | N/A |
| Wi-Fi Standard | WiFi 4 | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
| Wireless Support | Yes | No | No | No | No |
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Questions & Answers
Q
What is the Cisco 1841 Router Security Bundle (CISCO1841-SEC/K9)?
A
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.
Q
Which advanced security features are included in the CISCO1841-SEC/K9 bundle?
A
It delivers zone-based firewall, Network Address Translation (NAT), intrusion prevention (IPS), VPN, URL filtering and advanced malware protection via Cisco IOS® Security.
Q
What firewall and routing throughput does the Cisco 1841 deliver?
A
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.
Q
What VPN capabilities does the Cisco 1841 support?
A
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.
Q
Which encryption algorithms are supported by the Cisco 1841?
A
The platform supports DES, 3DES, AES-128, AES-192 and AES-256 for IPsec VPN and control-plane encryption.
Q
How many concurrent sessions can the Cisco 1841 handle?
A
The device supports up to 5,000 simultaneous sessions for firewall, VPN and application inspection.
Q
What are the memory and storage specifications of the Cisco 1841?
A
It ships with 256 MB of DRAM and 64 MB of flash memory, expandable via CompactFlash for logs and IOS images.
Q
What network interfaces are available on the Cisco 1841 Router?
A
The router includes two fixed 10/100 Fast Ethernet ports and two High-Speed WAN Interface Card (HWIC) slots for modular connectivity.
Q
Is the Cisco 1841 Router suitable for small and medium-sized businesses?
A
Yes. Its integrated security, WAN flexibility and upgradable performance make it ideal for SMB and branch-office deployments.
Q
How do I configure basic security policies on the Cisco 1841?
A
Use the Cisco IOS CLI or Cisco Security Manager to define zone-based policies, NAT rules, VPN settings and IPS signatures.
Q
What are the physical dimensions and power requirements of the Cisco 1841?
A
It is a 1-RU device measuring 3.5”×11.5”×9.0” (H×W×D), weighs 6.5 lb, and supports 100–240 VAC, 50/60 Hz with an internal power supply.
Q
Does the Cisco 1841 come with warranty and technical support?
A
It includes a 1-year limited hardware warranty; Cisco SMARTnet® contracts are available for software updates, TAC support and advanced replacement.
Q
Can I manage the Cisco 1841 through Cisco management tools?
A
Yes. It integrates with Cisco Prime Infrastructure, Cisco Security Manager and CiscoWorks for centralized provisioning and monitoring.
Q
What licensing is required to enable the advanced security features?
A
The Advanced Security license (SEC) must be activated on the router; you can manage license entitlements via Cisco Smart Licensing.
Q
How are software updates and security patches delivered for the Cisco 1841?
A
Updates are provided through Cisco.com download portals or automatically via SMARTnet contracts and Cisco Smart Software Manager.
Q
What is the end-of-life and support status for the Cisco 1841 Router?
A
The Cisco 1841 has reached end-of-sale; full support and extended maintenance details are available on Cisco’s EoL bulletin.
