Used Cisco Firewalls & Security

A Cisco firewall is a network security device used to monitor, filter, and control network traffic to prevent unauthorised access and malicious attacks. The firewall protects the network from threats by examining packets for source, destination, content, and contextual information and enforcing security policies.

The Cisco firewall supports deep packet inspection, provides VPN and IPS functionality, and supports multi-layered security policies. In addition to firewalls, Cisco offers comprehensive security solutions, including security management, endpoint security, and threat detection and prevention. Together, these solutions create a comprehensive network security system capable of detecting and responding to evolving network threats in a timely manner.

We offer a 3-month warranty on used cisco firewalls 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 offers comprehensive network security solutions, including security management, endpoint security, and threat detection and prevention.

-54%

Cisco C6800-48P-SFP-XL= Catalyst 6800 48x 1GE FC SFP Switch Module

0 Review(s)

C6800-8P10G-XL=

Catalyst 6800 8-port 10GE with integrated DFC4-XL spare

$4667 $2160

-52%

Cisco C6800-8P40G-XL Catalyst 6800 Series 8-Port 40 Gigabit Ethernet Module

0 Review(s)

C6800-8P40G-XL

Catalyst 6800 8-port 40GE with dual integrated dual DFC4-EXL

$81347 $38800

-26%

A9K-RSP880-SE Cisco ASR 9000 Series Route Switch Processor 880

0 Review(s)

A9K-RSP880-SE

CISCO A9K-RSP880-SE ASR 9000 Route Switch Processor 880 for Service Edge

$5833 $4300

-86%

Cisco ASR 9000 Service Module A9K-2T20GE-B

0 Review(s)

A9K-2T20GE-B

Cisco ASR 9000 Equipment Service Module2-Port 10GE, 20-Port GE Line Card

$3454 $500

-41%

8800-RP - Cisco 8800 Router Processor

0 Review(s)

8800-RP

Cisco 8800 Route Processor with 4x Core CPU

$4041 $2400

-87%

Cisco Nexus 7000 F3 Series Module N7K-F348XP-25

0 Review(s)

N7K-F348XP-25

48-Port 1 and 10 Gigabit Ethernet Module

$6305 $800

-37%

C6800-SUP6T= - Cisco Catalyst 6800 Series Supervisor Engine

0 Review(s)

C6800-SUP6T=

Catalyst 6800 Series Supervisor Engine 6T Spare - Sup6T (440G/slot) with 8x10GE, 2x40GE

$1250 $790

-64%

ASR1000-MIP100= - Cisco ASR 1000 Series Modular Interface Processor

0 Review(s)

ASR1000-MIP100=

ASR1000 100G Modular Interface Processor. Spare

$4166 $1489

-38%

ASR1000-RP3 - Cisco ASR 1000 Series Processor

0 Review(s)

ASR1000-RP3

ASR 1000 Route Processor 3

$1300 $800

-78%

Cisco 9700 Series Modules DS-X9706-FAB3

0 Review(s)

DS-X9706-FAB3

Cisco 9700 Series Modules DS-X9706-FAB3

$26091 $5700

-40%

Cisco 9700 Series Modules DS-X9706-FAB2

0 Review(s)

DS-X9706-FAB2

Cisco 9700 Series Modules DS-X9706-FAB2

$333 $200

-40%

Cisco FirePower 4100 Series Network Module FPR4K-NM-4X40G

0 Review(s)

FPR4K-NM-4X40G

Cisco FirePOWER - network adapter - 40 Gigabit QSFP+ x 4

$55106 $33064

-40%

Cisco 7600 Series Modules SPA-1X10GE-WL-V2

0 Review(s)

SPA-1X10GE-WL-V2

Cisco 7600 Series ModulesSPA-1X10GE-WL-V2

$28281 $16969

-40%

Cisco 7600 Series Router Switch Processor RSP720-3CXL-10GE

0 Review(s)

RSP720-3CXL-10GE

Cisco 7600 Router Switch Processor 720Gbps, PFC3CXL, 10G

$16000 $9600

-41%

Cisco 7600 Series Modules SPA-1X10GE-L-V2

0 Review(s)

SPA-1X10GE-L-V2

Cisco 7600 Series ModulesSPA-1X10GE-L-V2

$3500 $2060

-40%

Cisco Nexus 9500 Series Supervisor N9K-SUP-A

0 Review(s)

N9K-SUP-A

Cisco Nexus 9500 4-Core/8-Thread Supervisor

$3000 $1800

-68%

Cisco Catalyst 9300 Series Network Module C9300-NM-8X

0 Review(s)

C9300-NM-8X

Catalyst 9300 Series 8x 10G/1G Network Module

$500 $160

-40%

Cisco Catalyst 9200 Series Module C9200-NM-4X

0 Review(s)

C9200-NM-4X

Catalyst 9200 4 x 10GE Network Module, spare.

$611 $366

-62%

Cisco ASR 9000 Series Line Cards A9K-MPA-20X1GE

0 Review(s)

A9K-MPA-20X1GE

Cisco ASR 9000 Series Line Cards A9K-MPA-20X1GE 20-port 1GE Modular Port Adapter

$480 $180

-15%

Cisco ASR 9000 Series Line Card A9K-2X100GE-TR

0 Review(s)

A9K-2X100GE-TR

Cisco ASR 9000 Series 2-Port 100 Gigabit Ethernet Line CardsA9K-2X100GE-TR

$13041 $11085

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Products
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Mikrotik CRS520-4XS-16XQ-RM

CRS326-24G-2S+RM

0 Review(s)

Mikrotik CRS326-24G-2S+RM Cloud Router Switch, 24xGbit LAN, 2xSFP+, RackmountOpens

Cisco A9K-2T20GE-B Line Card for ASR 9000 Series RSP

A9K-2T20GE-B

0 Review(s)

Cisco ASR 9000 Line Card A9K-2T20GE-B 2-Port 10GE, 20-Port GE Line Card, Requires XFPs and SFPs

Cisco Nexus 9000 Series Switch N9K-C92348GC-X

N9K-C92348GC-X

0 Review(s)

Cisco Nexus 9000 Series Switch N9K- C92348GC-X with 48p 100M/1G Base-T ports and 4p 1/10/25G SPF28 and 2p 40/100G QSFP28

Cisco Nexus 9000 Series Switch N9K-C93600CD-GX

N9K-C93600CD-GX

0 Review(s)

Nexus 9316D Spine and Leaf switch with 28p 100/40G QSFP28 and 8p 400/100G QSFP-DD