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Name:
CISCO3825-SEC/K9
- Description:
- 3825 Security Bundle,Advanced Security,128F/512D
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3 Year Extended Warranty
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Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
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For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
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.
Always Delivered to Your Door
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.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
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.
TRUSTED, TRIED, PROVEN
CISCO3825-SEC/K9 Overview
CISCO3825-SEC/K9 is a modular enterprise router engineered for high-performance connectivity and integrated security. It features a robust architecture that supports a range of VPN and firewall functionalities, multiple integrated services, and versatile power options, including an AC power supply with redundancy. The design offers flexible WAN and LAN interfaces with modular capabilities that adapt to different connectivity demands and use cases.
CISCO3825-SEC/K9 delivers dependable performance with high throughput and quality of service, ensuring secure and efficient data, voice, and video transmission. Its integrated VPN features, hardware encryption, and expansion slots for additional interface modules make it ideal for enterprise branch deployments that require scalable, redundant, and secure connectivity solutions.
What is the price of CISCO3825-SEC/K9?
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Explore more options from Routers or explore other Cisco products.
CISCO3825-SEC/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / SSL VPN |
| Power Source | AC Power Supply / Redundant |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Modular |
| WAN Configuration | WAN |
| WAN Ports | Modular WAN |
| LAN Ports | Modular LAN |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4 / IPv6 |
| Remote Management | Telnet / SSH / SNMP / HTTP/HTTPS |
| Compliance Standards | FCC / CE |
| Wireless Support | No |
| Speed/Capacity | Fast Ethernet |
| Firewall Features | Yes |
| Features | VPN / Firewall / IPv6 Compatible / QoS |
| Use Case | Enterprise |
| Management | Managed |
| Form Factor | Rack-mount |
| Integrated Services | Voice / Video / 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 / VPN |
| Expansion Slots | EHWIC / NIM |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 256 MB |
| Flash Memory | 256 MB |
| Interface Ports | RJ-45 |
| Power | 375W |
| Device Type | Router |
| Product Name | Cisco 3825 Security Integrated Services Router |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
CISCO3825-SEC/K9 Use Case
Branch Office Secure VPN Aggregation with Cisco 3825-SEC/K9-3825 Security Bundle
A national retail chain deploys the Cisco 3825-SEC/K9-3825 Security Bundle, Advanced Security, 128F/512D at 50 branch locations to terminate site-to-site IPsec and DMVPN tunnels back to its corporate data center. Integrated Cisco IOS Firewall, dynamic routing and hardware-accelerated encryption streamline provisioning while ensuring end-to-end data privacy. Benefit: Centralized policy enforcement, 99.99 % uptime and scalable, high-performance secure connectivity across distributed sites.
Integrated Threat Prevention at the SMB Edge with Cisco 3825 Security Bundle
A mid-market enterprise uses Cisco 3825-SEC/K9-3825 Security Bundle, Advanced Security, 128F/512D as its perimeter device to consolidate ASA firewall services, intrusion prevention (IPS) and real-time malware defense from Cisco Secure Intelligence. The all-in-one platform reduces hardware footprint and leverages 512 MB DRAM for deep packet inspection at line rate. Benefit: 40 % reduction in intrusion attempts, unified threat intelligence updates and simplified security management.
PCI-DSS Compliant Payment Zone Segmentation with Cisco 3825 Security Bundle
A financial services firm implements the Cisco 3825-SEC/K9-3825 Security Bundle, Advanced Security, 128F/512D to isolate its payment processing environment. Zone-based firewall policies, VLAN segmentation and syslog integration enforce strict access controls and full audit trails. Benefit: Achieves PCI-DSS compliance, granular traffic inspection and streamlined audit reporting with a single, high-performance security appliance.
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 | Modular | Fixed | Modular | Modular |
| Broadband | Fiber Optic / DSL / N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / VPN |
| Compliance Standards | RoHS, FCC, CE | FCC / CE / UL | FCC, CE | FCC / CE | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 15 inches | 18.4 in | N/A | 28 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | FCC Class B | N/A | N/A | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 / 10/100/1000 | 10/100 |
| Expansion Slots | NIM / EHWIC | EHWIC / NIM | NIM | EHWIC | EHWIC / NIM |
| Features | VPN, IPv6 Compatible, Firewall, MPLS | VPN / Firewall / Intrusion Prevention / IPv6 Compatible | Routing, QoS, IPv6 Compatible | VPN / Firewall / QoS / IPv6 Compatible | VPN / Firewall / IPv6 Compatible / QoS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 4 inches | 4.5 in | N/A | 4.5 inches | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, Video, WAN Optimization | Voice / Video | Voice, Video, WAN Optimization | Voice / Video | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45, SFP | RJ-45 / SFP / Combo Ports | RJ-45, Combo Ports | RJ-45 / SFP | RJ-45 |
| LAN Ports | 4 LAN Ports | Modular LAN | 4 LAN Ports | Modular LAN | Modular LAN |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 512 MB | 1 GB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 3 Slots | 2 Slots |
| Network Protocols | IPv4, IPv6, MPLS | IPv4 / IPv6 | TCP/IP, UDP, ICMP | IPv4 / IPv6 / MPLS / NAT / PAT | IPv4 / IPv6 |
| Power | 150 W | 350 W | 60 Watt | 350 W | 375W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply | AC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | Cisco C3825-H-VSEC/K9 Integrated Services Router | Cisco 3845 Integrated Services Router with High Security (C3845-H-VSEC/K9) | C3825-NOVPN | Cisco 3845-VSEC-CUBE/K9 | Cisco 3825 Security Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH, Telnet, SNMP | Telnet / SSH / SNMP / HTTPS | Telnet, SSH, SNMP | SSH / Telnet / SNMP | Telnet / SSH / SNMP / HTTP/HTTPS |
| Routing Protocols | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / IS-IS / Static Routing | OSPF / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | IEC 60950 | N/A | N/A | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Fast Ethernet |
| Stacking Capability | No | No | Yes | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.05 Gbps | 150 Mbps | 1 Gbps | 75 Mbps | 75 Mbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN | IPSec / SSL VPN | N/A | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN |
| WAN Configuration | Dual WAN | Dual WAN | WAN | Modular WAN | WAN |
| WAN Ports | 2 WAN | Modular WAN | 2 WAN | Modular WAN | Modular WAN |
| Weight | 16 lbs | 32 lbs | N/A | 27 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17 inches | 17.2 in | N/A | 17.5 inches | N/A |
| Wireless Support | No | No | No | No | No |
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Questions & Answers
Q
What is the Cisco 3825 Security Bundle (CISCO3825-SEC/K9)?
A
The Cisco 3825 Security Bundle (SEC/K9) is a modular integrated services router with an Advanced Security license, delivering stateful firewall, intrusion prevention, and VPN services on a 128F/512D performance platform.
Q
What does the 128F/512D specification mean?
A
The 128F/512D rating indicates up to 128 Mbps of firewall throughput and 512 Mbps of combined routing and VPN data throughput, ensuring scalable performance for branch deployments.
Q
Which security features are included in the Advanced Security license?
A
The Advanced Security license provides stateful firewall, intrusion prevention system (IPS), application inspection, URL filtering, and both IPsec and SSL VPN capabilities.
Q
How many VPN tunnels can the Cisco 3825-SEC/K9 support?
A
It supports up to 250 concurrent site-to-site IPsec VPN tunnels, enabling secure connectivity for distributed office networks.
Q
What is the maximum firewall throughput?
A
The Cisco 3825 Security Bundle delivers up to 128 Mbps of firewall throughput under the 128F performance license.
Q
What network interfaces are included on the Cisco 3825?
A
It features three fixed Gigabit Ethernet ports, two network module slots, one WIC slot, and one EHWIC slot for flexible connectivity options.
Q
Is the Cisco 3825-SEC/K9 rack-mountable?
A
Yes. The 1U form-factor chassis includes standard 19-inch rack-mount rails for easy installation in data centers and wiring closets.
Q
Which deployment scenarios suit this router?
A
The Cisco 3825 Security Bundle is ideal for medium-sized branch offices requiring integrated routing, switching, and advanced security services in a single platform.
Q
What power options does the Cisco 3825-SEC/K9 support?
A
It supports dual redundant hot-swappable power supply modules with 110–240 VAC input to ensure uninterrupted operation.
Q
How is the software licensed and upgraded?
A
Software features are licensed via Cisco Smart Licensing or License Manager. Upgrades require applying new feature keys or renewing maintenance contracts.
Q
Does the Cisco 3825 support high availability?
A
Yes. It provides Stateful Switchover (SSO) and Enhanced EtherChannel for hardware redundancy and rapid failover with minimal service disruption.
Q
What warranty and support services are available?
A
It includes a 1-year limited hardware warranty and optional Cisco SMARTnet support for 24/7 technical assistance and advance hardware replacement.
Q
Can I integrate this router with cloud security services?
A
Yes. The Cisco 3825 Security Bundle integrates with Cisco Umbrella and SecureX for cloud-based threat intelligence and security analytics.
Q
How do I configure the Advanced Security features?
A
You can configure firewall, IPS, and VPN settings via the Cisco IOS CLI or ASDM GUI, both of which include guided wizards for streamlined setup.
Q
What are the physical dimensions and weight of the Cisco 3825?
A
The 1U chassis measures 44.5×34.3×4.5 cm (17.5×13.5×1.75 inches) and weighs approximately 5.2 kg (11.5 lbs), ideal for standard racks.
