United States
Name:
C3825-H-VSEC/K9
- Description:
- 3825H.Perf.VSEC:AIM-VPN3/SSL,PVDM2,CCME/SRST,AIS,512F/1024D
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- 818217074345
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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.
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
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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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C3825-H-VSEC/K9 Overview
C3825-H-VSEC/K9 is a robust, modular enterprise router engineered with a scalable architecture that supports integrated security services, including advanced VPN capabilities such as IPSec and SSL VPN. Its design incorporates a mix of power options—including redundant AC power supplies—to ensure continuous operation while delivering consistent performance for demanding network applications.
Built for environments requiring high availability and versatility, this router offers dual WAN interfaces and multiple LAN ports with 10/100/1000 Ethernet technology. It integrates services for voice, video, and WAN optimization, providing built-in firewall features, QoS, and modular expansion slots to tailor network connectivity and throughput capacity; ideal for enterprise branch offices, secure remote access, and mission-critical communications.
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C3825-H-VSEC/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / SSL VPN |
| Power Source | AC Power Supply / Redundant |
| Routing Protocols | OSPF / BGP / EIGRP / Static Routing |
| Broadband | Fiber Optic / DSL / N/A |
| Architecture | Modular |
| WAN Configuration | Dual WAN |
| WAN Ports | 2 WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100/1000 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4, IPv6, MPLS |
| Remote Management | SSH, Telnet, SNMP |
| Compliance Standards | RoHS, FCC, CE |
| Wireless Support | No |
| Speed/Capacity | Gigabit |
| Firewall Features | Yes |
| Features | VPN, IPv6 Compatible, Firewall, MPLS |
| 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 | 0.05 Gbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection |
| Expansion Slots | NIM / EHWIC |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 256 MB |
| Flash Memory | 128 MB |
| Interface Ports | RJ-45, SFP |
| Power | 150 W |
| Device Type | Router |
| Product Name | Cisco C3825-H-VSEC/K9 Integrated Services Router |
| Height | 4 inches |
| Width | 17 inches |
| Depth | 15 inches |
| Weight | 16 lbs |
C3825-H-VSEC/K9 Use Case
Secure Multi-Site Connectivity with Hardware-Accelerated VPN3/SSL
Scenario: A global finance firm deploys the Cisco C3825-H-VSEC/K9-3825H.Perf.VSEC:AIM-VPN3/SSL,PVDM2,CCME/SRST,AIS,512F/1024D to establish AES-256 IPsec tunnels and SSL VPN endpoints between 120 branch offices and its data centers. The integrated AIM-VPN3 hardware module offloads encryption, while AIS guarantees line-rate throughput. Benefit: Achieves PCI DSS compliance, reduces VPN CPU overhead by 35%, and maintains sub-5 ms inter-site latency—ensuring secure, high-performance connectivity for critical financial transactions.
Resilient Branch Voice & Unified Communications with CCME/SRST
Scenario: A national retail chain uses the C3825-H-VSEC/K9-3825H.Perf.VSEC:AIM-VPN3/SSL,PVDM2,CCME/SRST,AIS,512F/1024D in each store to host Cisco CallManager Express (CCME) for up to 50 IP phones per location. PVDM2 voice modules handle HD audio, while SRST automatically switches calls to PSTN circuits during WAN outages. Benefit: Guarantees 99.99% voice uptime and seamless call continuity, reduces revenue-loss risk during connectivity failures, and streamlines branch-level telephony provisioning under a single appliance.
High-Performance Edge Routing for Service Providers with AIS & 1024 MB DRAM
Scenario: A regional ISP leverages the C3825-H-VSEC/K9-3825H.Perf.VSEC:AIM-VPN3/SSL,PVDM2,CCME/SRST,AIS,512F/1024D as an edge router to manage up to 40 Gbps aggregate traffic, enable Stateful Firewall, and perform deep packet inspection. The Advanced Integration Services (AIS) bus accelerates QoS, NAT and NetFlow while ample DRAM buffers 200 K concurrent sessions. Benefit: Delivers carrier-grade performance with sub-10 µs forwarding latency, scales session capacity by 4×, and reduces capital expenditures by consolidating routing, security and analytics in one platform.
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 | Modular | Modular | Modular |
| Broadband | N/A | Fiber Optic / DSL / 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 | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, VPN Encryption |
| Compliance Standards | FCC / CE | RoHS, FCC, CE | FCC, CE | FCC, CE | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 18 inches | 15 inches | N/A | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | FCC Compliant |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | NIM | NIM / EHWIC | EHWIC / NIM | NIM | EHWIC |
| Features | Mesh / VPN / Voice / IPv6 Compatible / Firewall | VPN, IPv6 Compatible, Firewall, MPLS | VPN / VoIP / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN, Firewall, IPv6 Compatible, QoS, NAT |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 128 MB | 256 MB | 128 MB | 128 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.7 inches | 4 inches | N/A | N/A | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization |
| Interface Ports | RJ-45 / SFP | RJ-45, SFP | RJ-45 / SFP | RJ-45 | RJ-45, SFP |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 256 MB | 512 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 3+ Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IPv4, IPv6, MPLS | IPv4, IPv6 | IP, TCP, UDP, ICMP, PPP | IPv4, IPv6, TCP/IP, UDP, ICMP |
| Power | 250W | 150 W | 350 W | 290 Watts | 130 W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | Cisco 3825 Integrated Services Router (C3825-35UC-VSEC/K9) | Cisco C3825-H-VSEC/K9 Integrated Services Router | Cisco CISCO3845 Integrated Services Router | Cisco 3825 Integrated Services Router | CISCO3825-HSEC/K9 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 | SSH, Telnet, SNMP | TELNET, SSH, SNMP | Telnet, SSH, SNMP, HTTP/HTTPS | Console, Telnet, SSH |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | UL Listed |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Fast Ethernet | Fast Ethernet |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.035 Gbps | 0.05 Gbps | 0.3 Gbps | 0.035 Gbps | 75 Mbps |
| Use Case | Enterprise | Enterprise | Enterprise / Business | Enterprise | Enterprise / Business |
| VPN Support | IPSec / SSL VPN | IPSec / SSL VPN | IPSec | IPSec / SSL VPN / GRE | IPSec / SSL VPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 25 lbs | 16 lbs | N/A | N/A | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 19 inches | 17 inches | N/A | N/A | N/A |
| Wireless Support | No | No | No | No | No |
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Questions & Answers
Q
What is the Cisco C3825-H-VSEC/K9 router?
A
The Cisco C3825-H-VSEC/K9 is a high-performance integrated services router featuring hardware-based encryption, advanced VPN capabilities, voice DSP support, and integrated security services for small-to-medium enterprises.
Q
What encryption performance does the C3825-H-VSEC/K9 deliver?
A
It delivers up to 50 Mbps of hardware-accelerated 3DES and AES encryption throughput for IPSec and SSL VPN, ensuring secure site-to-site and remote-access connectivity.
Q
Which VPN protocols are supported by the C3825-H-VSEC/K9?
A
The router supports industry-standard IPSec VPN protocols and Cisco AnyConnect SSL VPN, enabling secure VPN tunnels with strong cryptographic integrity.
Q
How many simultaneous VPN tunnels can it handle?
A
With the integrated AIM-VPN3 module, the C3825-H-VSEC/K9 can handle up to 250 concurrent IPSec VPN sessions or SSL VPN tunnels, depending on configuration.
Q
What voice capabilities does the C3825-H-VSEC/K9 support?
A
It supports Cisco PVDM2 voice DSP modules for up to 96 concurrent VoIP calls and provides integrated features such as transcoding, conferencing, and voicemail integration.
Q
What is the PVDM2 module and how does it enhance the C3825?
A
The PVDM2 (Packet Voice Digital Signal Processor Module 2) accelerates voice and video services on the C3825, enabling high-density call handling, media translation, and quality of service for unified communications.
Q
Does the C3825-H-VSEC/K9 support Cisco CallManager Express and SRST?
A
Yes, the router includes integrated Cisco CallManager Express (CCME) and Survivable Remote Site Telephony (SRST) licensing, ensuring local call processing and PSTN failover in branch deployments.
Q
What is AIS in the context of C3825-H-VSEC/K9?
A
Application Intelligence and Security (AIS) provides deep packet inspection, intrusion prevention, and application-level awareness to protect against advanced threats and ensure compliance.
Q
What are the firewall session capacities of the C3825-H-VSEC/K9?
A
The C3825-H-VSEC/K9 supports up to 512 stateful firewall sessions and 1024 concurrent Network Address Translation (NAT) translations for robust perimeter defense.
Q
Can the C3825-H-VSEC/K9 be expanded with additional WAN modules?
A
Yes, the router offers four Enhanced High-Speed WAN Interface Card (EHWIC) slots and two integrated Gigabit Ethernet ports for modular expansion with T1/E1, serial, DSL, and cellular WAN modules.
Q
What memory and storage options are available on the C3825-H-VSEC/K9?
A
It ships with 512 MB of DRAM and 256 MB of flash memory by default, expandable to 2 GB DRAM and 4 GB flash to support growing application requirements.
Q
What management and monitoring tools are included?
A
Cisco IOS Software provides comprehensive management via CLI, Cisco Configuration Professional, SNMP, NetFlow, and Embedded Event Manager for real-time monitoring and automation.
Q
How does Cisco license the security features on the C3825-H-VSEC/K9?
A
Security features are licensable through Cisco’s Performance on Demand model, enabling customers to activate encryption, firewall, and IPS services as needed with software licensing keys.
Q
What are the typical deployment use cases for the C3825-H-VSEC/K9?
A
Typical deployments include secure branch office connectivity, hybrid WAN architectures, unified communications at remote sites, and safeguarded internet-edge environments.
Q
How can I upgrade from a standard 3825 to the C3825-H-VSEC/K9 security bundle?
A
You can upgrade a standard 3825 to the C3825-H-VSEC/K9 bundle by installing the AIM-VPN3 module and applying the corresponding K9 license key to enable hardware-accelerated encryption and security services.
Q
What support and warranty options are available for the C3825-H-VSEC/K9?
A
Cisco offers a one-year limited hardware warranty with options for SMARTnet Total Care service and extended support contracts covering advanced replacement, software updates, and 24/7 technical assistance.
