Network TAPs

Obtain broad, reliable access to 100 percent of the traffic on your network with a network TAP.

Understanding Network TAPs/Network TAP Devices

A network TAP (test access point) is an external monitoring device that mirrors the traffic that is passing between network nodes. It can be a hardware device or a virtual (G-vTAP) agent inserted at a strategic point in the network or public and private cloud to monitor specific data.

As part of the Gigamon Visibility and Analytics Fabric™, network TAP technology provides access to the traffic required to secure, monitor and manage your network infrastructure continuously and efficiently. Network TAPs are the first step in the process to provide pervasive visibility across the physical, virtual and cloud infrastructure.

TAPs acquire data and forward it to the Gigamon Visibility and Analytics Fabric (physical nodes) or V Series (virtual nodes) for aggregation, filtering and application of traffic intelligence before distributing the data to the network and security tools.

Passive fiber optical TAPs create perfect copies of all traffic at full bandwidth. They require no power or management and do not actively interact with other components of the network. Gigamon offers several passive optical TAP solutions:

G-TAP M Series

Active TAPs are used in networks where copper cabling or optical budgets do not allow for passive TAPs. In the event of a power failure, active TAPs have battery backup to keep them running and will send an alert to indicate the failure. A type of active TAP called a bypass TAP also has a relay that closes when it loses power, maintaining the network connection and minimizing traffic disruption. Gigamon active network TAP solutions include:

active TAP image

For traffic acquisition, light weight G-vTAPs are deployed within AWS, Microsoft Azure or OpenStack instances that mirror traffic via IPSec to GigaVUE® V Series nodes.

Key benefits include:·       

  • Single, light weight instance minimizes impact on Gigamon nodes
  • Reduces application downtime — there is no need to redesign applications when adding new tools
  • Agents filter traffic of interest prior to sending it via IPSec to the GigaVUE V Series nodes to reduce data-egress and application costs

Test drive G-vTAP on AWS or Azure for free.

Learn more about our public and private cloud solutions.




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“My highest priority was finding a solution that allowed us to watch more than the ocean of data passing at the network border, that allowed us to sharpen our focus on the data we care about most. Now, we feel more comfortable that we’re not missing traffic and are better able to highlight and inspect traffic of interest to reduce false positives and optimize inline security tool performance.”

John Hoyt • Security Information and Operations Director • Clemson University

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