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.

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S5735S-L8T4S-A1

8x 10/100/1000BASE-T Ethernet ports, 4x Gigabit SFP, AC power.

$200 $100

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S5735S-L8P4S-A1

8x 10/100/1000BASE-T Ethernet ports, 4x Gigabit SFP, PoE+, AC power.

$250 $150

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S5735S-L24T4S-A1

24x 10/100/1000BASE-T Ethernet ports, 4x Gigabit SFP, AC power.

$200 $100

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S5735S-L24T4X-A1

24x 10/100/1000BASE-T Ethernet ports, 4x 10 Gigabit SFP+, AC power.

$300 $180

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S5735S-L24P4S-A1

24x 10/100/1000BASE-T Ethernet ports, 4x Gigabit SFP, PoE+, AC power.

$350 $200

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S5735S-L24P4X-A1

24x 10/100/1000BASE-T Ethernet ports, 4x 10 Gigabit SFP+, PoE+, AC power.

$500 $260

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S5735S-L48T4S-A1

48x 10/100/1000BASE-T Ethernet ports, 4x Gigabit SFP, AC power.

$400 $220

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S5735S-L48T4X-A1

48x 10/100/1000BASE-T Ethernet ports, 4x 10 Gigabit SFP+, AC power.

$500 $280

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S5735S-L48P4S-A1

48x 10/100/1000BASE-T Ethernet ports, 4x Gigabit SFP, PoE+, AC power.

$500 $300

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S5735S-L48P4X-A1

48x 10/100/1000BASE-T Ethernet ports, 4x 10 Gigabit SFP+, PoE+, AC power.

$600 $340

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S5735S-L32ST4X-A1

24x Gigabit SFP, 8x 10/100/1000BASE-T Ethernet ports, 4x 10 Gigabit SFP+, AC power.

$400 $200

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LS-S6324-EI

S6324-EI Mainframe (24 GE SFP/10 GE SFP+, Chassis, Dual Slots of power, Without Power Module)

$15000 $8000

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LS-S6348-EI

S6348-EI Mainframe (48 GE SFP/10 GE SFP+, Chassis, Dual Slots of power, Without Power Module)

$17000 $10000

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S6720S-32X-LI-32S-AC

S6720S-32X-LI-32S-AC, Huawei S6700 Series Switches

$800 $500

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S6730-H24X4Y4C

S6730-H24X4Y4C, Huawei S6700 Series Switches

$5000 $2800

0 Review(s)

S6730-H28Y4C

S6730-H28Y4C, Huawei S6700 Series Switches

$3000 $1600

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S6730S-H24X6C-A

S6730S-H24X6C-A, Huawei S6700 Series Switches

$2000 $1000

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S6720S-S52X-A

S6720S-S52X-A (52 Gigabit SFP +, AC power supply, front maintenance)

$2000 $800

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S6720S-S24S28X-A

S6720S-S24S28X-A (24 Gigabit SFP, 28 Gigabit SFP +, AC power supply, front maintenance)

$2000 $1100

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S6735-S48X6C

S6735-S48X6C (48 gigabits SFP +, 6 100Ge QSFP28, no power)

$2000 $1100

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-40%

N9K-C9332D-GX2B

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Cisco Nexus 9332D-GX2B Switch with 32p 400/100-Gbps QSFP-DD ports and 2p 1/10 SFP+ ports

$38000 $22800

-38%

C9500-40X-A

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Catalyst 9500 40-port 10Gig switch, Network Advantage

$4000 $2500

-49%

C9300-24T-A

0 Review(s)

Catalyst 9300 24-port 1G copper with modular uplinks, data only, Network Advantage

$1750 $900

-31%

DS-C9250I-K9

0 Review(s)

Cisco MDS 9200 Series Switch DS-C9250I-K9，MDS 9250 Multilayer Fiber Channel Switch

$1600 $1100

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