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Used Cisco Network Equipment For Sale

Cisco is a leading global networking technology company founded in 1984 and headquartered in San Jose, California. As a pioneer in Internet infrastructure, Cisco is committed to delivering a broad range of networking hardware, software and services solutions that help businesses and organisations become efficiently and securely connected.


Cisco core business spans routers, switches, wireless networks and data centre technologies, in addition to its expanding presence in areas such as cybersecurity, the Internet of Things (IoT), cloud computing and collaboration tools such as Webex. Its innovative technologies provide powerful network connectivity and data transmission capabilities for global enterprises of all sizes, ensuring the stable operation of modern business and digital transformation.


With its strong technical strength and rich industry experience, Cisco helps users around the world meet complex network challenges, providing one-stop solutions from enterprise networks to security protection. As an industry leader, Cisco always insists on innovation and research and development to provide fundamental support for the digital future of the world.


linknewnet.com is a networking company specialising in the sale of used cisco, including popular high end switches, routers, servers and other networking equipment. Discounted prices and enquiries are welcome.


We offer a 3-month warranty on used cisco networking equipment purchased from linknewnet. Upon receipt of your order, we will thoroughly test and maintain the equipment prior to shipment to ensure that you receive a virtually new product and experience the best technical support available!

Cisco Router ISR 4000 Series C1-CISCO4451/K9
0 Review(s)
Cisco ONE - ISR 4451
$10300 $6180
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Cisco Router ISR 4000 Series ISR4321-DNA
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Cisco ISR 4321 (2GE,2NIM,4G FLASH,4G DRAM,IPB) with DNA sub
$3500 $2000
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Cisco Router ISR 4000 Series ISR4351-DNA
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Cisco ISR 4351 (3GE,3NIM,2SM,4G FLASH,4G DRAM,IPB) with DNA
$12000 $7600
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Cisco Router ISR 4000 Series ISR4221X/K9
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Cisco ISR 4221 (2GE,2NIM,8G FLASH,8G DRAM,IPB)
$2500 $1500
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Cisco Router ISR 4000 Series ISR4431-DNA
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Cisco ISR 4431 (4GE,3NIM,8G FLASH,4G DRAM,IPB) with DNA sub
$900 $500
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Cisco Router ISR 4000 Series ISR4461-AX/K9
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Cisco ISR 4461 with AppX license
$9000 $5000
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Cisco Router ISR 4000 Series ISR4461-AXV/K9
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Cisco ISR 4461 AXV Bundle
$10000 $6000
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Cisco Router ISR 4000 Series ISR4461-SEC/K9
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Cisco ISR 4461 Security Bundle
$10000 $6000
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Cisco Router ISR 4000 Series ISR4461-V/K9
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Cisco ISR 4461 Voice Bundle
$10000 $5500
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Cisco Router ISR 4000 Series ISR4451-X-AX/K9
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1Gbps-2Gbps 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
$1200 $700
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Cisco Router ISR 4000 Series ISR4351/K9
0 Review(s)
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
$400 $200
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Cisco Router ISR 4000 Series ISR4431-V/K9
0 Review(s)
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
$750 $450
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Cisco Router ISR 4000 Series ISR4431-AX/K9
0 Review(s)
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
$900 $500
more
Cisco Router ISR 4000 Series ISR4351-V/K9
0 Review(s)
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
$600 $350
more
Cisco Router ISR 4000 Series ISR4351-SEC/K9
0 Review(s)
200Mbps-400Mbps system throughput, 3 WAN/LAN ports, 3 SFP ports, multi-Core CPU,2 service module slots, Security, VPN, WAAS, Intelligrnt WAN, OnePK, AVC
$700 $400
more
Cisco Router ISR 4000 Series ISR4321-V/K9
0 Review(s)
50Mbps-100Mbps system throughput, 2 WAN/LAN ports, 1 SFP port, multi-Core CPU,2 NIM,  Voice Bundle, WAAS, Intelligent WAN, OnePK, AVC
$500 $300
more
Cisco Router ISR 4000 Series ISR4321-AX/K9
0 Review(s)
50Mbps-100Mbps system throughput, 2 WAN/LAN ports, 1 SFP port, multi-Core CPU,2 NIM, Security, Voice, WAAS, Intelligent WAN, OnePK, AVC
$600 $350
more
Cisco Router ISR 4000 Series ISR4451-X-SEC/K9
0 Review(s)
Cisco ISR 4451 Sec bundle w/SEC license
$750 $450
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Cisco Router ISR 4000 Series ISR4451-X-VSEC/K9
0 Review(s)
Cisco ISR 4451 VSEC Bundle, PVDM4-64 w/ UC,SEC Lic,CUBE- 25
$1200 $700
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Cisco Router ISR 4000 Series ISR4221-AX/K9
0 Review(s)
Cisco ISR 4221 AX Bundle w/APP, SEC lic
$600 $350
more
  • Total 5463 items ,  current page 211 ,  total 274 pages

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Frequently Asked Questions

Are used Cisco switches and routers fully tested before shipping?

Yes. Every used Cisco unit is tested by our professional technical engineers before shipment, and testing instructions can be provided on request. Units are sold with a free 3-month warranty (extendable up to 1 year depending on the product - contact our sales team). Minor cosmetic scratches are normal on used equipment; confirm the details with our sales team before purchase.

What is the difference between Cisco DNA Essentials and DNA Advantage?

DNA Essentials provides the base automation and software management foundation (including core Cisco DNA Center workflows), while DNA Advantage adds advanced capabilities such as SD-Access, TrustSec, and richer automation, analytics and telemetry. When buying a used Catalyst 9300 or 9500, check which DNA subscription is registered to the serial number - subscriptions are transferred through the Cisco Smart Account.

What does Cisco Smart Net Total Care (SNTC) cover on used equipment?

SNTC combines 24/7 TAC technical support, software updates and advance hardware replacement, available in service levels such as 8x5xNBD, 24x7x4 and 24x7x2. On used gear the contract follows the serial number - our sales team can help you verify contract eligibility before you buy.

Can Catalyst 9200 switches stack with Catalyst 2960-X/XR or share modules with the Catalyst 9300?

No on both counts. Catalyst 9200 cannot be stacked with Catalyst 2960-X/XR (different CPU architecture and platform scaling), and Catalyst 9300 network modules are not compatible with Catalyst 9200 switches.

Do used Cisco products come with a warranty and after-sales support?

Yes - a free 3-month warranty is included on every unit, and extended warranty periods are available on request. Our support team is reachable via WhatsApp (+86 18954776148) or email (cs@linknewnet.com).

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