WorldwideNetworking Router ISR 4000
The Router ISR 4000 optimizes enterprise network infrastructure with advanced security protocols, seamless connectivity, and scalable performance, delivering unparalleled reliability for modern business environments.
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43 Matching results
- BEST SELLING
ISR4331-AX/K9 (Cisco ISR 4331 AX Bundle w/ APP,SEC lic)
4.8 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / FlexVPN
- AC Power Supply
- OSPF / BGP / EIGRP / MPLS / RIP / Static Routing
- N/A
- Fixed / Modular
- Dual WAN
Est Value
$7,851.00$2,358.00
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- BEST SELLING
ISR4321-AXV/K9 (Cisco ISR 4321 AXV Bundle, with CUBE-10, IPBase, APP, SEC and UC licenses.)
4.6 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / FlexVPN
- AC Power Supply / Redundant
- OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value $6,517.00$3,506.00
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- BEST SELLING
ISR4451-X/K9 (1-2G system throughput, 4 WAN/LAN ports, 4 SFP ports, 10 Core CPU, Security, Voice, WAAS, Intelligrnt WAN, OnePK, AVC, separate control data and services CPUs)
4.6 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / FlexVPN
- AC Power Supply / DC Power Supply / Redundant
- OSPF / BGP / EIGRP / MPLS / RIP / Static Routing
- N/A
- Modular
- Dual WAN
Est Value $26,935.00$7,653.00
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- BEST SELLING
ISR4431-SEC/K9 (500Mbps-1Gbps system throughput, 4 WAN/LAN ports, 4 SFP ports, multi-Core CPU, Dual-power, Security, Voice, WAAS, Intelligrnt WAN, OnePK, AVC, separate control data and services CPUs)
4.6 (5)- Integrated Services Router
- IPSec / SSL VPN / DMVPN / FlexVPN
- AC Power Supply with Redundant Option
- OSPF / EIGRP / BGP / RIP / Static Routing
- N/A
- Modular
- Dual WAN
Est Value $20,447.00$10,060.00
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- BEST SELLING
ISR4451-X-AXV/K9 (Cisco ISR 4451 AXV Bundle.PVDM4-64 w/APP.SEC.UC lic.CUBE-25)
4.6 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / FlexVPN / N/A
- Redundant AC Power Supply
- OSPF / BGP / EIGRP / MPLS / RIP / Static Routing
- N/A
- Modular
- Dual WAN
Est Value $41,301.00$18,475.00
55.3% offIn stockNewFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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- FEARURED
ISR4331/K9 (Cisco ISR 4331 (3GE,2NIM,1SM,4G FLASH,4G DRAM,IPB))
4.8 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / FlexVPN
- AC Power Supply / Redundant
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Modular
- Dual WAN
Est Value $5,223.00$1,064.00
79.6% offIn stockNewFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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- FEARURED
ISR4321-VSEC/K9 (Cisco ISR 4321 Bundle w/UC & SEC License. CUBE-10)
4.4 (5)- Enterprise Router
- IPSec / DMVPN / FlexVPN
- AC Power Supply / Redundant
- OSPF / BGP / EIGRP / IS-IS / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value $5,946.00$2,658.00
55.3% offIn stockNewFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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- FEARURED
ISR4331-VSEC/K9 (Cisco ISR 4331 Bundle with UC & Sec Lic. PVDM4-32. CUBE-10)
4.6 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / FlexVPN
- AC Power Supply / Redundant
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Modular
- Dual WAN
Est Value $9,645.00$4,314.00
55.3% offIn stockNewFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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- FEARURED
ISR4351-AX/K9 (Cisco ISR 4351 AX Bundle w/ APP.SEC lic)
4.2 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / FlexVPN
- AC Power Supply / DC Power Supply / Redundant
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Fixed
- WAN
Est Value $17,763.00$7,944.00
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- FEARURED
ISR4351-VSEC/K9 (Cisco ISR 4351 Bundle with UC & Sec Lic. PVDM4-64. CUBE-25)
5 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / FlexVPN
- AC Power Supply / Redundant
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Modular
- Dual WAN
Est Value $21,599.00$9,661.00
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ISR4221/K9 (Cisco ISR 4221 (2GE,2NIM,8G FLASH,4G DRAM,IPB))
4.6 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN
- AC Power Supply
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value $2,131.00$625.00
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C1-CISCO4221/K9 (Cisco One -Cisco ISR 4221 (2GE, 2NIM, 8G FLASH, 4G DRAM, IPB))
4.4 (5)- Enterprise Router
- IPSec / DMVPN / FlexVPN / N/A
- AC Power Supply / N/A
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value $2,327.00$1,000.00
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C1-CISCO4351/K9 (Cisco ONE ISR 4351 (3GE.3NIM.2SM.4G FLASH.4G DRAM.IPB))
4.2 (5)- Enterprise Router
- IPSec / DMVPN / FlexVPN
- AC Power Supply / Redundant
- OSPF / BGP / EIGRP / IS-IS / RIP / Static Routing
- N/A
- Modular
- Dual WAN
Est Value $14,792.00$1,246.00
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ISR4351/K9 (200Mbps-400Mbps system throughput, 3 WAN/LAN ports, 3 SFP ports, multi-Core CPU,2 service module slots, Security, Voice, WAAS, Intelligrnt WAN, OnePK, AVC)
4.6 (5)- Enterprise Router
- IPSec / SSL VPN / GRE / DMVPN / FlexVPN / N/A
- AC Power Supply / DC Power Supply / Redundant / N/A
- OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing / N/A
- N/A
- Fixed
- Dual WAN
Est Value $12,775.00$1,773.00
86.1% offIn stockNewFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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ISR4221X/K9 (Cisco ISR 4221 (2GE,2NIM,8G FLASH,8G DRAM,IPB))
4.4 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / FlexVPN
- AC Power Supply / DC Power Supply / Redundant
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value $2,425.00$1,944.00
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ISR4321-V/K9 (Cisco ISR 4321 Bundle, w/UC License)
4.4 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / FlexVPN
- AC Power Supply / Redundant
- OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value $4,676.00$1,966.00
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C1-CISCO4331/K9 (Cisco ONE ISR 4331 (3GE.2NIM.1SM.4G FLASH.4G DRAM.IPB))
4.8 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / FlexVPN
- AC Power Supply / Redundant
- OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing
- N/A
- Modular
- Dual WAN
Est Value $6,185.00$1,969.00
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C1-CISCO4321/K9 (Cisco ONE ISR 4321 (2GE.2NIM.4G FLASH.4G DRAM.IPB))
5 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / FlexVPN
- AC Power Supply with Redundant Options
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Modular
- Dual WAN
Est Value $3,745.00$1,970.00
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ISR4221-SEC/K9 (Cisco ISR 4221 SEC Bundle with SEC lic)
4.6 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / FlexVPN
- AC Power Supply / Redundant
- OSPF / BGP / EIGRP / RIP / Static Routing / MPLS
- N/A
- Fixed
- Dual WAN
Est Value $3,217.00$2,041.00
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ISR4321-SEC/K9 (50Mbps-100Mbps system throughput, 2 WAN/LAN ports, 1 SFP port, multi-Core CPU,2 NIM, Security, Voice, WAAS, Intelligent WAN, OnePK, AVC)
4.4 (5)- Enterprise Router
- IPSec / SSL VPN / DMVPN / FlexVPN
- AC Power Supply / DC Power Supply (Redundant)
- OSPF / BGP / EIGRP / RIP / Static Routing
- N/A
- Fixed
- Dual WAN
Est Value $4,510.00$2,140.00
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Questions & Answers
What is the Cisco ISR 4000 Series router?
The Cisco ISR 4000 Series is a family of modular, high-performance routers designed for secure, unified branch-office networking and application services.
What are the key features of the ISR 4000 Series?
Key features include hardware-accelerated performance, integrated security, carrier-grade reliability, modular service slots, and support for advanced WAN services.
What throughput can the ISR 4000 deliver?
Depending on the model, the ISR 4000 delivers up to 2 Gbps of concurrent services throughput with full security and application visibility enabled.
Which network modules and interfaces does the ISR 4000 support?
The ISR 4000 supports modular NIM, SM-X, and PVDM slots, multiple Gigabit Ethernet, 10-Gigabit Ethernet, and integrated PoE interfaces.
How scalable is the Cisco ISR 4000 platform?
ISR 4000 routers scale from 50 Mbps to 2 Gbps of performance, support up to 20 Gbps of aggregate bandwidth, and can host virtualized network functions.
What integrated services are available on the ISR 4000?
Integrated services include firewall, IPS, VPN, WAN optimization, application visibility and control (AVC), and voice/video conferencing.
How does the ISR 4000 enhance branch-office security?
It provides hardware-accelerated encryption, zone-based firewall, intrusion prevention, URL filtering, and secure VPN tunnels for robust branch protection.
What licensing options are offered for the ISR 4000?
Cisco offers Performance, Security, and AppX bundles under Cisco ONE licensing, plus any-to-any Next-Generation WAN (any-to-any-NGW) add-ons.
How do I deploy an ISR 4000 in a branch office?
Rack-mount the router, install required modules, connect WAN/LAN interfaces, apply a valid license, and configure IOS XE software using Cisco SD-WAN or CLI.
Does the ISR 4000 support Cisco SD-WAN?
Yes, ISR 4000 Series runs Cisco IOS XE with built-in vEdge software components for full-featured SD-WAN deployment and orchestration.
How is high availability configured on the ISR 4000?
Configure dual power supplies, redundant fans, and use Cisco StackWise or Stateful Switchover (SSO) with a secondary ISR 4000 for nonstop operation.
What power options are available for the ISR 4000?
You can choose from internal AC power supplies, DC power modules, and Cisco Redundant Power System (RPS) support for mission-critical uptime.
How do I upgrade the software on an ISR 4000?
Use Cisco IOS XE bundle images, download via TFTP/USB/SD card, and apply the upgrade package with the install add file CLI command followed by a reload.
What are the common use cases for the ISR 4000?
Common use cases include secure SD-WAN, cloud on-ramp, unified communications, branch consolidation, and managed IT services.
How can I monitor and manage my ISR 4000 router?
Manage with Cisco DNA Center, Cisco Prime Infrastructure, or Cisco IOS XE embedded telemetry for real-time analytics and automated troubleshooting.