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C3825-VSEC-CUBE/K9
3825 VSEC Bundle w/PVDM2-64,FL-CUBE-300,AVS,128F/512D
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C3825-VSEC-CUBE/K9 is an enterprise-grade modular router built to deliver high performance, integrated security, and versatile connectivity options for demanding network environments. Designed with a robust architecture, this device offers flexible power options including redundant AC power supplies, multiple WAN/LAN interfaces, and integrated services for voice, video, and WAN optimization. Its advanced VPN capabilities, combined with built-in firewall and intrusion prevention features, ensure secure communications for enterprise and branch office deployments.
Engineered for scalability and reliability, the C3825-VSEC-CUBE/K9 supports dual WAN configurations with modular port options and Gigabit Ethernet speeds to meet diverse application demands. It features comprehensive support for industry-standard routing protocols, high availability redundancy, and QoS features to optimize performance even in high-traffic scenarios. Ideal for enterprise networks requiring secure, reliable connectivity with integrated modular services, this router meets the rigorous needs of modern hybrid network infrastructures.
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In a mid-sized enterprise migrating from legacy PRI to SIP trunks, the C3825-VSEC-CUBE/K9-3825 VSEC Bundle w/PVDM2-64, FL-CUBE-300, AVS, 128F/512D acts as a Session Border Controller at each branch. It enforces TLS/SRTP encryption, offers voice transcoding with PVDM2-64, and applies advanced voice security features to block toll fraud. Benefit: seamless SIP trunk cutover, protected voice traffic, and 30% reduction in telephony costs.
A global corporation uses the C3825-VSEC-CUBE/K9-3825 VSEC Bundle to bridge on-premises Cisco Unified Communications Manager with cloud-hosted voice services. FL-CUBE-300 enables secure SIP routing and protocol normalization, while AVS provides real-time voice quality analytics. Benefit: end-to-end encrypted voice, consistent QoS across sites, and accelerated adoption of cloud UC.
A managed service provider deploys the C3825-VSEC-CUBE/K9-3825 VSEC Bundle at customer premises to terminate SIP sessions for hosted VoIP offerings. The integrated CUBE, advanced firewall, and session admission control ensure carrier-grade security and high call capacity. Benefit: reliable SLA compliance, scalable voice deployment, and simplified multi-tenant voice management.
To get the detailed certification, please go to the Compliance Center.
| C3825-VSEC-CUBE/K9 |  C3825-VSEC-SRST/K9 |  CISCO3845-DC |  C3825-NOVPN |  CISCO3845-AC-IP | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | 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 / Malware Protection | Firewall, Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE | IEEE 802.3, IEEE 802.1Q | IEEE 802.3, Cisco IOS Compliance | FCC, CE | IEEE 802.3 / IEEE 802.1Q |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 16 inches | N/A | 17.8 inches | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | EN 55022 | FCC, CE | FCC, CE | N/A | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | NIM / EHWIC / SFP+ | EHWIC | EHWIC, NIM | NIM | EHWIC / NIM |
| Features | VPN / IPv6 Compatible / Firewall | VPN, VOIP, IPv6 Compatible, Firewall, MPLS, N/A | VPN, IPv6, Firewall, Voice, Video, WAN Optimization | Routing, QoS, IPv6 Compatible | VPN / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 128 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount / Chassis | Rack-mount | Rack-mount | Rack-mount |
| Height | 4.5 inches | N/A | 1.75 inches | N/A | N/A |
| High Availability Support | Supported | Not Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / Video | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 / SFP | RJ-45, SFP | RJ-45, SFP, Combo Ports | RJ-45, Combo Ports | RJ-45 |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | Modular LAN | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 256 MB | 512 MB | 1 GB | 512 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 3+ Slots | 2 Slots | 3+ Slots |
| Network Protocols | IP, ICMP, TCP, UDP, RTP, SIP | IP, ICMP, ARP, TCP, UDP | IPv4, IPv6 | TCP/IP, UDP, ICMP | IPv4 / IPv6 |
| Power | 250 W | 295 Watts | 250 W | 60 Watt | 275 W |
| Power Source | AC Power Supply / Redundant | AC Power Supply | DC Power Supply with Redundancy | AC Power Supply | AC Power Supply |
| Product Name | Cisco C3825 VSEC CUBE/K9 | Cisco Integrated Services Router C3825-VSEC-SRST/K9 | CISCO3845-DC | C3825-NOVPN | CISCO3845-AC-IP |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH, Telnet, SNMP | CLI, SNMP | CLI, SNMP, Web Interface | Telnet, SSH, SNMP | SNMP / Telnet / SSH / HTTP/HTTPS |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing / N/A | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | UL, CSA | CE, UL | UL, CE | N/A | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | Yes | No | No | Yes | No |
| Telecom | RoHS Compliant | N/A | N/A | N/A | N/A |
| Throughput Capacity | 50 Mbps | 0.015 Gbps | 25 Mbps | 1 Gbps | N/A |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN / GRE / DMVPN | N/A | IPSec |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | Modular WAN | 2 WAN | 2 WAN |
| Weight | 20 lbs | N/A | 20 lbs | N/A | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17 inches | N/A | 19 inches | N/A | N/A |
| Wireless Support | No | No | No | No | No |
Cisco 3825 VSEC with FL-CUBE-300 delivers reliable voice and UC performance. PVDM2-64 ensures clear calls and predictable communications for branch offices.
Durable and efficient. Handles multiple voice endpoints with AVS support while maintaining secure, high-performance operations.
Easy to deploy and manage. Provides consistent UC and voice performance with minimal downtime.
High-performing and robust. Maintains secure and reliable voice communications across branch offices.
Strong Cisco solution. Ensures predictable UC, voice, and secure operations in medium branch deployments.
The bundle includes a Cisco 3825 Integrated Services Router, a PVDM2-64 DSP module, a FL-CUBE-300 Session Border Controller license, an AVS (Advanced Video Surveillance) license, and 128F/512D throughput entitlements.
The PVDM2-64 delivers up to 64 simultaneous voice DSP channels for conferencing, transcoding, and media processing, ensuring high-quality VoIP performance on the 3825 platform.
The FL-CUBE-300 license activates Cisco’s Unified Border Element (CUBE) on the 3825, supporting up to 300 concurrent SIP sessions for secure session control and inter-network VoIP connectivity.
The AVS license enables Advanced Video Surveillance features, including video analytics, display synchronization, and secure real-time video transport for up to 128 cameras.
The 128F/512D rating specifies the router’s video frame forwarding capacity (128 frames per second) and data-stream handling capacity (512 simultaneous data streams) for surveillance applications.
With the integrated hardware acceleration, the 3825 delivers up to 75 Mbps of aggregate data forwarding and supports up to 300 SIP sessions and 64 voice DSP channels concurrently.
The router supports Cisco IOS XE Release 3.9S or later, providing enhanced security, routing, and unified communications feature sets.
The FL-CUBE-300 license supports up to 300 simultaneous SIP sessions for secure IP peering and session border control.
Power down the router, insert the PVDM2-64 into the identified DSP slot, secure the module with screws, then reboot the router and verify module presence with the “show platform hardware” command.
Yes, the package ships with the standard AC power supply, power cord, and a rack-mount kit compatible with 19-inch equipment racks.
Cisco offers a 90-day limited hardware warranty and 90-day software updates; extended SMARTnet contracts are available for 24×7 support and OS upgrades.
Yes, the 3825 platform supports PVDM2-128 and PVDM3 modules for higher DSP capacity; verify IOS compatibility before upgrading.
Absolutely. The 3825 supports MPLS, L2TPv3, DMVPN, and site-to-site/IPsec VPN, enabling secure and scalable WAN deployments.
Enter global configuration mode, apply the ‘license boot level cube’ command, reload the router, then configure dial peers and SIP profiles for trunk connectivity.
Typical scenarios include branch office VoIP and video surveillance aggregation, secure SIP trunking, multi-site VPN termination, and small data center edge routing.
Use the command “show license all” to display active and installed licenses, including FL-CUBE-300, AVS, and PVDM2 modules.
Under typical load, the router consumes approximately 75 W; maximum power draw is 100 W with all modules active.