United States$5,000,000+
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Nathan Brooks
5
Voice and security features worked seamlessly. Call quality remained clear.
ISR4321-VSEC/K9
Cisco ISR 4321 Bundle w/UC & SEC License. CUBE-10
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Name:
ISR4321-VSEC/K9
- Description:
- Cisco ISR 4321 Bundle w/UC & SEC License. CUBE-10
- Rating:
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- Brand:
- Cisco
- GTIN:
- 818250933661
- Condition:
- Warranty:
- 3
- List Price:
$5,946.00
- Price:
$2,658.0055.3% off
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1
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ISR4321-VSEC/K9 Overview
ISR4321-VSEC/K9 is a fixed architecture enterprise router designed with integrated 10/100/1000 Ethernet WAN/LAN interfaces and flexible power options, including an AC power supply with redundant support for enhanced uptime. It delivers built-in performance for voice, video, and WAN optimization, ensuring enterprise-grade reliability and secure connectivity with an emphasis on high-throughput data handling.
Featuring integrated VPN capabilities with IPSec, DMVPN, and FlexVPN support, the router provides advanced security without compromising speed, achieving up to 100 Mbps throughput. Its modular expansion options through two available slots enable scalability while ensuring redundant performance, making it ideal for diverse enterprise environments where robust integrated services and resilient connectivity are paramount.
ISR4321-VSEC/K9 price is $2,658.00, a 55.3% saving from the Cisco list price of $5,946.00. ISR4321-VSEC/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for ISR4321-VSEC/K9 for additional pricing. Browse the full Router Isr 4000 series or explore all Cisco products.
ISR4321-VSEC/K9 Specifications
- Form Factor
- Rack-mount
- Ethernet Technology
- 10/100/1000
- Width
- 17.5 inches
- Height
- 1.75 inches
- Depth
- 12 inches
- Memory
- 4 GB
- Weight
- 13 lbs
- Product Type
- Enterprise Router
- Architecture
- Fixed
- WAN Configuration
- Dual WAN
- WAN Ports
- 2 WAN
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Remote Management
- Telnet, SSH, SNMP
- Wireless Support
- No
- Firewall Features
- Yes
- Management
- Managed
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- QoS Features
- Supported
- Modular Slots Available
- 2 Slots
- Stacking Capability
- No
- 5G Support
- No
- Device Type
- Router
- Network Protocols
- IPv4, IPv6
- Integrated Services
- Voice, Video, WAN Optimization
- High Availability Support
- Supported
- Broadband
- N/A
- Use Case
- Enterprise
- LAN Ports
- 4 LAN Ports
- Compliance Standards
- FCC / CE / UL
- Built-in Security Features
- Firewall, Intrusion Prevention, Malware Protection
- Power Source
- AC Power Supply / Redundant
- VPN Support
- IPSec / DMVPN / FlexVPN
- Speed/Capacity
- Gigabit
- Throughput Capacity
- 100 Mbps
- Expansion Slots
- EHWIC, NIM
- Interface Ports
- RJ-45, SFP
- Flash Memory
- 1 GB
- Routing Protocols
- OSPF / BGP / EIGRP / IS-IS / Static Routing
- Features
- VPN, Firewall, Intrusion Prevention, IPv6 Compatible
- Power
- 70 W
- Product Name
- Cisco ISR4321-VSEC/K9
ISR4321-VSEC/K9 Use Case
Secure SD-WAN Branch Connectivity with Cisco ISR4321-VSEC/K9
Leverage the Cisco ISR 4321 Bundle w/UC & SEC License (ISR4321-VSEC/K9) and CUBE-10 to establish a resilient, encrypted SD-WAN fabric across multi-site retail outlets. In this scenario, each branch terminates dual GRE/IPsec tunnels to a centralized controller, while the UC license supports SIP failover and local voice breakout. The outcome: consolidated management, 75% reduction in MPLS costs, end-to-end security enforcement via Cisco Threat Defense, and consistent voice quality for point-of-sale and customer service applications.
High-Performance Remote Workforce VPN with Unified Communications
Enable a distributed sales team to securely access corporate resources and conduct HD voice/video calls using the Cisco ISR4321-VSEC/K9 with UC & SEC License and CUBE-10. This use case configures SSL/TLS VPN for encrypted data tunnels and deploys the UC suite for Cisco Jabber conferencing, while integrated Firepower security inspects traffic inline. The benefit: seamless collaboration, zero-trust endpoint compliance, and 50% faster call setup with end-to-end QoS over broadband links.
Cloud Edge Gateway for Secure Voice and Data Integration
Deploy the Cisco ISR 4321 Bundle w/UC & SEC License plus CUBE-10 as an edge gateway for a finance firm migrating to AWS and Azure. The ISR4321-VSEC/K9 routes application traffic to cloud VNets, enforces segmentation with Zone-Based Firewall, and leverages CUBE-10 for SIP trunk connectivity to the PSTN. The result: unified voice/data architecture, PCI DSS compliance through traffic encryption, and a 40% improvement in application performance via local breakout and intelligent path control.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 ISR4321-VSEC/K9 |  ISR4451-X-VSEC/K9 |  ISR4321-AXV/K9 |  ISR4221/K9 |  C1-CISCO4451/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Modular | Fixed | Fixed | Modular |
| 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 / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention, Malware Protection |
| Compliance Standards | FCC / CE / UL | FCC / CE / UL | FCC, CE | FCC / CE | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 12 inches | 18.03 inches | 18.3 inches | 15.7 inches | 18 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | CISPR22, FCC Part 15 | N/A | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | EHWIC, NIM | NIM / EHWIC | NIM / EHWIC | EHWIC | EHWIC / NIM |
| Features | VPN, Firewall, Intrusion Prevention, IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | Mesh / VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / VoIP / IPv6 Compatible / Firewall / MPLS / QoS | VPN, VoIP, IPv6 Compatible, Firewall, MPLS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 1 GB | 1 GB | 256 MB | 256 MB | 2 GB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount / Desktop | Rack-mount | Rack-mount |
| Height | 1.75 inches | 2.91 inches | 1.75 inches | 1.73 inches | 1.75 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization, Security | Voice / Video / WAN Optimization | Voice / Video | Voice, Video, WAN Optimization |
| Interface Ports | RJ-45, SFP | RJ-45, SFP | RJ-45 / SFP | RJ-45 / EHWIC | RJ-45, SFP, Combo Ports |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | Modular LAN |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 4 GB | 8 GB | 512 MB | 1 GB | 4 GB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 3+ Slots |
| Network Protocols | IPv4, IPv6 | IPv4, IPv6 | IPv4, IPv6 | IPv4 / IPv6 / OSPF / EIGRP / BGP / RIP | IPv4, IPv6 |
| Power | 70 W | 335 W | 54 W | 65 Watt | 250 W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply | AC Power Supply / Redundant |
| Product Name | Cisco ISR4321-VSEC/K9 | Cisco ISR4451-X-VSEC/K9 | Cisco ISR4321-AXV/K9 | Cisco ISR 4221/K9 | Cisco 4451 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP | Cisco IOS XE CLI / Web GUI | SSH, Telnet, SNMP | CLI / SNMP / Cisco SDM | CLI, SNMP, Telnet, SSH |
| Routing Protocols | OSPF / BGP / EIGRP / IS-IS / Static Routing | OSPF / BGP / EIGRP / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing |
| Safety | N/A | N/A | RoHS Compliant | N/A | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | No | Yes | Yes | No | No |
| Telecom | N/A | N/A | TIA/EIA | N/A | N/A |
| Throughput Capacity | 100 Mbps | 2 Gbps | 200 Mbps | 0.3 Gbps | 2 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise / Branch | Enterprise | Enterprise |
| VPN Support | IPSec / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN / N/A |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 4 WAN | 2 WAN | 2 WAN | Modular WAN |
| Weight | 13 lbs | 29.76 lbs | 13.2 lbs | 10.4 lbs | 23 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.5 inches | 17.32 inches | 17.5 inches | 17.3 inches | 17.5 inches |
| Wireless Support | No | No | No | No | No |
Reviews & Ratings
P
Philip Warren
4
Good choice for secure UC deployments in smaller branches.
J
Julian Price
5
Stable performance with UC and security enabled. Easy deployment.
T
Trevor Collins
3
Cisco VSEC bundle delivered reliable voice services without issues.
S
Simon Fletcher
4
Well suited for branch voice security requirements.
Questions & Answers
What is the Cisco ISR 4321 Bundle w/ UC & SEC License CUBE-10?
The ISR 4321 Bundle combines a Cisco 4321 Integrated Services Router with a Unified Communications (UC) and Security (SEC) license plus CUBE-10 capabilities for secure voice, video and data services in small to medium branch deployments.
What are the key features of the ISR 4321 Bundle?
Key features include up to 50 Mbps firewall throughput, native voice and video support, embedded security services, 2x GE ports, modular design and CUBE-10 session border controller functionality.
What does the Unified Communications (UC) license provide?
The UC license enables native session border control, SIP trunking, multi-party conferencing, quality of service (QoS) and secure voice transport via TLS and SRTP.
What security services are included with the SEC license?
The SEC license activates Cisco IOS firewall, intrusion prevention (IPS), VPN (site-to-site and remote access), URL filtering and advanced malware protection (AMP).