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.

HWIC-8A/S-232 - Cisco Enhanced High-Speed WAN Interface Cards

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HWIC-8A/S-232

8-Port Async/Sync Serial HWIC, EIA-232 Cisco Router High-Speed WAN Interface card

HWIC-ADSL-B/ST - Cisco Enhanced High-Speed WAN Interface Cards

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HWIC-ADSL-B/ST

2-port HWIC w/ 1-port ADSLoPOTS and 1-port ISDN BRI-S/T Cisco Router High-Speed WAN Interface card

EHWIC-D-8ESG-P - Cisco Enhanced High-Speed WAN Interface Cards

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EHWIC-D-8ESG-P

8-port Cisco Gigabit EtherSwitch 10/100/1000BASE-TX autosensing EHWIC with POE

EHWIC-D-8ESG - Cisco Enhanced High-Speed WAN Interface Cards

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EHWIC-D-8ESG

Cisco 1900 2900 3900 Router EHWIC WAN Card EHWIC-D-8ESG - Ethernet Switch Card

EHWIC-4ESG-P - Cisco Enhanced High-Speed WAN Interface Cards

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EHWIC-4ESG-P

Cisco 3900 Router EHWIC WAN Card EHWIC-4ESG-P

EHWIC-VA-DSL-B - Cisco Enhanced High-Speed WAN Interface Cards

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EHWIC-VA-DSL-B

Cisco 3900 Router EHWIC WAN Card EHWIC-VA-DSL-B

EHWIC-VA-DSL-M - Cisco Enhanced High-Speed WAN Interface Cards

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EHWIC-VA-DSL-M

Cisco 3900 Router EHWIC WAN Card EHWIC-VA-DSL-M

EHWIC-3G-HSPA-U - Cisco Third-Generation Wireless WAN EHWIC

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EHWIC-3G-HSPA-U

Cisco 3900 Router EHWIC WAN Card EHWIC-3G-HSPA-U

$480 $300

EHWIC-3G-EVDO-S - Cisco Third-Generation Wireless WAN EHWIC

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EHWIC-3G-EVDO-S

Cisco 3900 Router EHWIC WAN Card EHWIC-3G-EVDO-S

EHWIC-3G-EVDO-V - Cisco Third-Generation Wireless WAN EHWIC

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EHWIC-3G-EVDO-V

Cisco 3900 Router EHWIC WAN Card EHWIC-3G-EVDO-V

EHWIC-3G-EVDO-B - Cisco Third-Generation Wireless WAN EHWIC

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EHWIC-3G-EVDO-B

Cisco 3900 Router EHWIC WAN Card EHWIC-3G-EVDO-B

EHWIC-4G-LTE-JP - Cisco Fourth-Generation Wireless WAN EHWIC

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EHWIC-4G-LTE-JP

Cisco EHWIC-4G-LTE-JP, Japen-NTT Docomo, LTE band 1 (2100 MHz)

HWIC-3G-CDMA-T - Cisco High-Speed WAN Interface Cards

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HWIC-3G-CDMA-T

Cisco HWIC-3G-CDMA-T, India Tata-3G EVDO Rev A/0/1xRTT 800/1900MHz, 1800/2800/3800 series router

HWIC-2T - Cisco Channelized T1/E1 and ISDN PRI Modules

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HWIC-2T

2-Port Serial WAN Interface Card

$320 $200

HWIC-2CE1T1-PRI - Cisco Channelized T1/E1 and ISDN PRI Modules

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HWIC-2CE1T1-PRI

2 port channelized T1/E1, and PRI HWIC (data only) Cisco Router High-Speed WAN Interface card

$800 $500

EHWIC-4ESG - Cisco Enhanced High-Speed WAN Interface Cards

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EHWIC-4ESG

Four port 10/100/1000 Base-TX Gigabit Ethernet switch interface card for Cisco 1900 2900 3900 Routers

$160 $100

EHWIC-VA-DSL-A - Cisco Enhanced High-Speed WAN Interface Cards

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EHWIC-VA-DSL-A

Cisco 1900/2900/3900 Router EHWIC WAN Card EHWIC-VA-DSL-A

EHWIC-1GE-SFP-CU - Cisco Enhanced High-Speed WAN Interface Cards

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EHWIC-1GE-SFP-CU

Enhanced HWIC, Dual Mode 1 port SFP/Copper

$320 $200

EHWIC-3G-HSPA+7-A - Cisco Third-Generation Wireless WAN EHWIC

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EHWIC-3G-HSPA+7-A

Cisco EHWIC-3G-HSPA+7-A 3G network wireless module, GSM, 850, 900, 1900, and 2100 MHz

EHWIC-3G-HSPA+7 - Cisco Third-Generation Wireless WAN EHWIC

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EHWIC-3G-HSPA+7

Cisco EHWIC-3G-HSPA+7 3G network wirless Module, GSM, 850, 900, 1900, and 2100 MHz

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Cisco N3K-C3172PQ-Z8

N3K-C3172PQ-Z8

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N3K-C3172PQ-10GE Price - Buy Cisco Nexus 3000 Series Switch

$750 $690

-40%

Cisco Nexus 9000 Series Switch N9K-C9332D-GX2B

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%

Cisco Switch Catalyst 9500 Series C9500-40X-A

C9500-40X-A

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Catalyst 9500 40-port 10Gig switch, Network Advantage

$4000 $2500

-49%

Cisco Catalyst 9300 Series Switch C9300-24T-A

C9300-24T-A

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

$1750 $900