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.

AIR-ANT5135SDW-R Cisco Antenna 5 GHz

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AIR-ANT5135SDW-R

5 GHz 3.5 dBi Low Profile Monopole Antenna White, RP-TNC

$18 $11

AIR-ANT5140V-N Cisco Antenna 5 GHz

0 Review(s)

AIR-ANT5140V-N

5 GHz 4.0 dBi Omni Antenna with N Connect, 5 inches

$172 $103

AIR-ANT5140V-R Cisco Antenna 5 GHz

0 Review(s)

AIR-ANT5140V-R

5-GHz 4 dBi Triple Omni Antenna 3 RP-TNC; Spare

$132 $79

AIR-ANT5145V-R Cisco Antenna 5 GHz

0 Review(s)

AIR-ANT5145V-R

5 GHz 4.5dBi Diversity Omni Antenna w/RP-TNC connector

$147 $88

AIR-ANT5160NP-R Cisco Antenna 5 GHz

0 Review(s)

AIR-ANT5160NP-R

5 GHz 6 dBi 802.11n directional antenna

$201 $121

AIR-ANT5175V-N Cisco Antenna 5 GHz

0 Review(s)

AIR-ANT5175V-N

4.9 GHz-5.8 GHz, 7.5 dBi Omni with N Connector

$112 $67

AIR-ANT58G28SDA-N Cisco Antenna 5.8 GHz

0 Review(s)

AIR-ANT58G28SDA-N

Aironet 5.8 GHz 28 dBi Dish Antenna

$690 $414

AIR-ANT58G10SSA-N Cisco Antenna 5.8 GHz

0 Review(s)

AIR-ANT58G10SSA-N

Aironet 5.8 GHz 9.5 dBi Sector Antenna

$164 $98

AIR-ANT58G9VOA-N Cisco Antenna 5.8 GHz

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AIR-ANT58G9VOA-N

Aironet 5.8 GHz 9 dBi Omni Antenna

$191 $115

AIR-CAB005PL-R Cisco Antenna Cable

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AIR-CAB005PL-R

Antenna Cable 5 ft low loss plenum cable, RP-TNC connectors

$72 $43

AIR-CAB020LL-R Cisco Antenna Cable

0 Review(s)

AIR-CAB020LL-R

Antenna Cable 20 ft LOW LOSS CABLE ASSEMBLY W/RP-TNC CONNECTORS

$96 $58

AIR-CAB050LL-R Cisco Antenna Cable

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AIR-CAB050LL-R

Antenna Cable 50 ft. LOW LOSS CABLE ASSEMBLY W/RP-TNC CONNECTORS

$155 $93

AIR-CAB100ULL-R Cisco Antenna Cable

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AIR-CAB100ULL-R

Antenna Cable 100 ft. ULTRA LOW LOSS CABLE ASSEMBLY W/RP-TNC CONNECTORS

$321 $193

AIR-CAB150ULL-R Cisco Antenna Cable

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AIR-CAB150ULL-R

Antenna Cable 150 ft. ULTRA LOW LOSS CABLE ASSEMBLY W/RP-TNC CONNECTORS

$417 $250

AIR-ANT2544V4M-R Cisco Antennas - Dual Band

0 Review(s)

AIR-ANT2544V4M-R

Cisco AIR-ANT2544V4M-R 2.4GHz 4dBi/5GHz 4dBi Multi Mount Omni Ant., 4-port,RP-TNC

$582 $349

AIR-ANT2547V-N Cisco Antennas - Dual Band

0 Review(s)

AIR-ANT2547V-N

Cisco AIR-ANT2547V-N 2.4 GHz 4dBi/5 GHz 7dBi Dual Band Omni Antenna, N connector

$194 $116

AIR-ANT25137NP-R Cisco Antennas - Dual Band

0 Review(s)

AIR-ANT25137NP-R

Cisco AIR-ANT25137NP-R 2.4 GHz 13 dBi/5 GHz 7 dBi 802.11n Dual Band Patch Antenna

$691 $415

AIR-ANT2566P4W-R Cisco Antennas - Dual Band

0 Review(s)

AIR-ANT2566P4W-R

Cisco AIR-ANT2566P4W-R 2.4 GHz 6 dBi/5 GHz 6 dBi Directional Ant., 4-port, RP-TNC

$292 $175

AIR-ANT2524V4C-R Cisco Antennas - Dual Band

0 Review(s)

AIR-ANT2524V4C-R

Cisco AIR-ANT2524V4C-R 2.4GHz 2dBi/5GHz 4dBi Ceiling Mount Omni Ant., 4-port,RP-TNC

$363 $218

AIR-ANT2524DB-R Cisco Antennas - Dual Band

0 Review(s)

AIR-ANT2524DB-R

Cisco AIR-ANT2524DB-R 2.4 GHz 2 dBi/5 GHz 4 dBi Dipole Ant., Blk, RP-TNC

$26 $16

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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

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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

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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

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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