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AXV bundle made licensing simple. Stable performance for branch UC.
ISR4321-AXV/K9
Cisco ISR 4321 AXV Bundle, with CUBE-10, IPBase, APP, SEC an...
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ISR4321-AXV/K9
Cisco ISR 4321 AXV Bundle, with CUBE-10, IPBase, APP, SEC an...
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ISR4321-AXV/K9 is a high-performance, fixed enterprise router engineered for branch offices and distributed enterprises. It features a robust architecture that supports versatile power options including AC power and redundant configurations, and it integrates multiple WAN/LAN interfaces for flexible connectivity. The router delivers integrated services such as voice, video, and WAN optimization while offering modular expansion slots to adapt to evolving network requirements.
Designed with advanced VPN capabilities including IPSec, SSL VPN, DMVPN, and FlexVPN, the ISR4321-AXV/K9 guarantees secure and reliable communications. With Gigabit Ethernet technology ensuring solid throughput and high availability redundancy, this router consistently delivers superior performance for applications ranging from enterprise connectivity to mission-critical branch networking.
ISR4321-AXV/K9 price is $3,506.00, a 46.2% saving from the Cisco list price of $6,517.00. ISR4321-AXV/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for ISR4321-AXV/K9 for additional pricing. Browse the full Router Isr 4000 series or explore all Cisco products.
In a multisite retail network, the Cisco ISR4321-AXV/K9 with CUBE-10 functions as an integrated SIP session border controller, terminating SIP trunks for local PSTN breakout and centralizing dial-plan management. IPBase provides advanced routing (DMVPN/OSPF), the APP license ensures application-aware performance, the SEC license enforces firewall, IPS and VPN, and the UC license delivers local survivable voice features. Benefit: Lower PSTN fees by up to 40%, simplified branch deployments and 99.9% voice/data uptime with unified security and telephony on one platform.
A mid-market enterprise leverages the ISR4321-AXV/K9 APP license (PfRv3) to monitor and steer ERP, CRM and video-conferencing traffic dynamically across MPLS and broadband links. IPBase enables DMVPN mesh for secure site-to-site connectivity, SEC license encrypts WAN tunnels, CUBE-10 delivers secure SIP trunk connectivity to a cloud PBX, and UC license prioritizes real-time voice and video. Benefit: Boosted application performance by up to 35%, prioritized voice quality, and reduced WAN spend by 25%, all managed via a single console.
A growing professional services firm deploys Cisco ISR4321-AXV/K9 as its edge router, consolidating routing, security and UC in one appliance. The SEC license integrates next-gen firewall, intrusion prevention and secure remote-access VPN. APP license accelerates threat containment with application visibility, while UC license powers on-premises IP telephony and video conferencing. CUBE-10 provides resilient SIP trunk breakout and IPBase delivers advanced WAN failover. Benefit: 30% reduction in CapEx/OpEx, streamlined IT operations, and a single-pane-of-glass for security and collaboration.
To get the detailed certification, please go to the Compliance Center.
 ISR4321-AXV/K9 |  ISR4451-X-V/K9 |  ISR4451-X-VSEC/K9 |  ISR4221/K9 |  ISR4331-V/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Modular | Modular | 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 | FCC / CE / UL | FCC / CE / UL | FCC / CE | CE / FCC / UL |
| Connectivity Type | Wired | Ethernet | Wired | Wired | Wired |
| Depth | 18.3 inches | 18 inches | 18.03 inches | 15.7 inches | 13.9 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | CISPR22, FCC Part 15 | N/A | N/A | 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 | NIM | NIM / EHWIC | EHWIC | EHWIC / NIM / SM-X |
| Features | Mesh / VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / VoIP / IPv6 Compatible / Firewall / MPLS / QoS | VPN / Voice / Video / IPv6 Compatible / Firewall / MPLS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 2 GB | 1 GB | 256 MB | 2 GB |
| Form Factor | Rack-mount / Desktop | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 2.91 inches | 1.73 inches | 4.33 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization, Security | Voice / Video | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 / SFP | RJ-45 / SFP | RJ-45, SFP | RJ-45 / EHWIC | RJ-45 / SFP |
| LAN Ports | 4 LAN Ports | Modular LAN | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 4 GB | 8 GB | 1 GB | 4 GB |
| Modular Slots Available | 2 Slots | 3+ Slots | 2 Slots | 2 Slots | 3+ Slots |
| Network Protocols | IPv4, IPv6 | IPv4, IPv6, MPLS | IPv4, IPv6 | IPv4 / IPv6 / OSPF / EIGRP / BGP / RIP | IPv4 / IPv6 / MPLS |
| Power | 54 W | 370W | 335 W | 65 Watt | 250 W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant | AC Power Supply | AC Power Supply / Redundant |
| Product Name | Cisco ISR4321-AXV/K9 | Cisco ISR4451-X-V/K9 | Cisco ISR4451-X-VSEC/K9 | Cisco ISR 4221/K9 | Cisco ISR 4331 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 | Cisco IOS XE CLI / Web GUI | CLI / SNMP / Cisco SDM | SSH / Telnet / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / IS-IS / RIP / Static Routing / MPLS | OSPF / BGP / EIGRP / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | RoHS Compliant | N/A | N/A | N/A | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | Yes | No | Yes | No | Yes |
| Telecom | TIA/EIA | N/A | N/A | N/A | N/A |
| Throughput Capacity | 200 Mbps | 2 Gbps | 2 Gbps | 0.3 Gbps | 0.15 Gbps |
| Use Case | Enterprise / Branch | Enterprise | Enterprise | Enterprise | Enterprise / Branch |
| VPN Support | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN / FlexVPN / N/A |
| WAN Configuration | Dual WAN | Modular WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | Modular WAN | 4 WAN | 2 WAN | 2 WAN |
| Weight | 13.2 lbs | 30 lbs | 29.76 lbs | 10.4 lbs | 19 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.5 inches | 17.5 inches | 17.32 inches | 17.3 inches | 17.4 inches |
| Wireless Support | No | No | No | No | No |
AXV bundle made licensing simple. Stable performance for branch UC.
Reliable router with good UC and security capabilities.
Consistent uptime and smooth voice services.
Cisco quality platform for smaller enterprise branches.
Meets expectations for integrated voice and security.
The Cisco ISR 4321 AXV Bundle is a compact integrated services router delivering secure data, voice, video, and application services, pre-licensed with CUBE-10, IPBase, APP, Security (SEC), and Unified Communications (UC) for small to medium branches.
The ISR4321-AXV/K9 bundle includes CUBE-10 for Session Border Controller, IPBase for core routing features, APP for application services, Security (SEC) for advanced firewall and VPN, and Unified Communications (UC) for voice and video enablement.
The IPBase license delivers essential routing protocols (EIGRP, OSPF, BGP), MPLS, IPv6, QoS, and basic security features for resilient interbranch connectivity.
The APP license provides performance boost on demand, WAAS Express for application acceleration, and Cisco IOS XE services like Cisco Umbrella and Sourcefire threat analytics.