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ISR4321-VSEC/K9
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- Cisco ISR 4321 Bundle w/UC & SEC License. CUBE-10
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ISR4321-VSEC/K9
Cisco ISR 4321 Bundle w/UC & SEC License. CUBE-10
$5,946.00
$2,658.00
32 in Global Warehouse
$2,658.00
55% off
TRUSTED, TRIED, PROVEN
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.
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ISR4321-VSEC/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / DMVPN / FlexVPN |
| Power Source | AC Power Supply / Redundant |
| Routing Protocols | OSPF / BGP / EIGRP / IS-IS / Static Routing |
| Broadband | N/A |
| Architecture | Fixed |
| 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 |
| Remote Management | Telnet, SSH, SNMP |
| Compliance Standards | FCC / CE / UL |
| Wireless Support | No |
| Speed/Capacity | Gigabit |
| Firewall Features | Yes |
| Features | VPN, Firewall, Intrusion Prevention, IPv6 Compatible |
| 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 | 100 Mbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection |
| Expansion Slots | EHWIC, NIM |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 4 GB |
| Flash Memory | 1 GB |
| Interface Ports | RJ-45, SFP |
| Power | 70 W |
| Device Type | Router |
| Product Name | Cisco ISR4321-VSEC/K9 |
| Height | 1.75 inches |
| Width | 17.5 inches |
| Depth | 12 inches |
| Weight | 13 lbs |
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
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|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | 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, Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | FCC / CE | FCC / CE / UL | FCC, CE | FCC / CE / UL | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 15.7 inches | 18.03 inches | 18 inches | 12 inches | 18.3 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | CISPR22, FCC Part 15 |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | EHWIC | NIM / EHWIC | EHWIC / NIM | EHWIC, NIM | NIM / EHWIC |
| Features | VPN / VoIP / IPv6 Compatible / Firewall / MPLS / QoS | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN, VoIP, IPv6 Compatible, Firewall, MPLS | VPN, Firewall, Intrusion Prevention, IPv6 Compatible | Mesh / VPN / VoIP / IPv6 Compatible / Firewall / MPLS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 1 GB | 2 GB | 1 GB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount / Desktop |
| Height | 1.73 inches | 2.91 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video | Voice, Video, WAN Optimization, Security | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 / EHWIC | RJ-45, SFP | RJ-45, SFP, Combo Ports | RJ-45, SFP | RJ-45 / SFP |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | Modular LAN | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 1 GB | 8 GB | 4 GB | 4 GB | 512 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 3+ Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 / OSPF / EIGRP / BGP / RIP | IPv4, IPv6 | IPv4, IPv6 | IPv4, IPv6 | IPv4, IPv6 |
| Power | 65 Watt | 335 W | 250 W | 70 W | 54 W |
| Power Source | AC Power Supply | AC Power Supply / DC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | Cisco ISR 4221/K9 | Cisco ISR4451-X-VSEC/K9 | Cisco 4451 Integrated Services Router | Cisco ISR4321-VSEC/K9 | Cisco ISR4321-AXV/K9 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI / SNMP / Cisco SDM | Cisco IOS XE CLI / Web GUI | CLI, SNMP, Telnet, SSH | Telnet, SSH, SNMP | SSH, Telnet, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / IS-IS / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | RoHS Compliant |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | No | Yes | No | No | Yes |
| Telecom | N/A | N/A | N/A | N/A | TIA/EIA |
| Throughput Capacity | 0.3 Gbps | 2 Gbps | 2 Gbps | 100 Mbps | 200 Mbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise / Branch |
| VPN Support | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN / N/A | IPSec / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / FlexVPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 4 WAN | Modular WAN | 2 WAN | 2 WAN |
| Weight | 10.4 lbs | 29.76 lbs | 23 lbs | 13 lbs | 13.2 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.3 inches | 17.32 inches | 17.5 inches | 17.5 inches | 17.5 inches |
| Wireless Support | No | No | No | No | No |
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Questions & Answers
Q
What is the Cisco ISR 4321 Bundle w/ UC & SEC License CUBE-10?
A
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.
Q
What are the key features of the ISR 4321 Bundle?
A
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.
Q
What does the Unified Communications (UC) license provide?
A
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.
Q
What security services are included with the SEC license?
A
The SEC license activates Cisco IOS firewall, intrusion prevention (IPS), VPN (site-to-site and remote access), URL filtering and advanced malware protection (AMP).
Q
What is CUBE-10 and why is it important?
A
CUBE-10 is Cisco’s Session Border Controller offering up to 10 simultaneous voice sessions for SIP trunking, secure voice interconnects and protocol normalization.
Q
What throughput and performance does the ISR 4321 deliver?
A
It supports up to 50 Mbps of aggregate throughput, up to 100 Mbps with Boost license, and hardware-accelerated crypto performance of 35 Mbps.
Q
How many network ports does the ISR 4321 have?
A
It includes two Gigabit Ethernet data ports, one internal LTE port (optional), two integrated NIM slots and one USB port for storage or console.
Q
Can the ISR 4321 Bundle be rack-mounted?
A
Yes. The 1RU ISR 4321 fits standard 19-inch racks using the included rack-mount kit and can also sit on a tabletop with rubber feet.
Q
Who is the ideal customer for the ISR 4321 Bundle?
A
This bundle is ideal for small to medium branch offices requiring secure WAN connectivity, integrated voice services and advanced security in a compact footprint.
Q
How is the ISR 4321 installed and configured?
A
You deploy it at the branch edge, connect WAN/LAN ports, apply the UC and SEC license activation keys, then use Cisco IOS CLI or Cisco Prime to configure network, security and voice policies.
Q
What is the power consumption of the ISR 4321?
A
Typical power draw is 38 W, maximum is 55 W. It supports 110–240 VAC auto-sensing input and has an optional DC power module.
Q
Is there high-availability support on the ISR 4321?
A
The platform supports stateful switchover with dual power supplies and hot-swappable modules when paired with a secondary ISR in a failover group.
Q
How can I scale the ISR 4321 as my business grows?
A
Scale by adding Network Interface Modules (NIMs), increasing license tiers, deploying additional security or UC feature licenses and clustering multiple routers using DMVPN.
Q
How are software updates and feature licenses managed?
A
You manage via Cisco Software Licensing Smart Licensing portal, synchronize entitlements and push IOS-XE updates directly through Cisco DNA Center or CLI.
Q
What warranty and support options are available?
A
The router includes a one-year limited hardware warranty; Cisco Smart Net Total Care offers 24x7 hardware replacement, software updates and technical support.
Q
Where can I purchase the ISR 4321 Bundle w/ UC & SEC License CUBE-10?
A
You can buy through Cisco authorized partners, resellers or the Cisco Commerce Online portal to ensure genuine products and valid support entitlements.
