<img height="1" width="1" style="display:none;" alt="" src="https://px.ads.linkedin.com/collect/?pid=2975524&amp;fmt=gif">
Skip to content

Visibility Solutions

Garland Technology is committed to educating the benefits of having a strong foundation of network visibility and access. By providing this insight we protect the security of data across your network and beyond.


Garland Technology's resource library offers free use of white papers, eBooks, use cases, infographics, data sheets, video demos and more.


The TAP into Technology blog provides the latest news and insights on network access and visibility, including: network security, network monitoring and appliance connectivity and guest blogs from Industry experts and technology partners


Our extensive technology partnership ecosystem solves critical problems when it comes to network security, monitoring, application analysis, forensics and packet inspection.


Garland Technology is dedicated to high standards in quality and reliability, while delivering the greatest economical solutions for enterprise, service providers, and government agencies worldwide.


Whether you are ready to make a network TAP your foundation of visibility or just have questions, please contact us. Ask us about the Garland Difference!


ICS Visibility Solutions

Challenge: How do I access data for my tools?

Securing and monitoring your network is the ultimate goal. But OT teams face complex challenges when it comes to architecting connectivity throughout large and sometimes aging infrastructure that wasn’t initially designed with network security in mind.

There are two options to access network packets for security and monitoring solutions to properly analyze threats and anomalies, as well as performances and regulatory conditions — network TAPs and SPAN ports.


A common visibility use case is to route mirrored traffic from a SPAN port on the switch to a security or monitoring tool. Port mirroring also known as SPAN (switched Port Analyzer), is a designated port on a network switch that is programmed to mirror, or send a copy, of network packets seen on a specific port (or an entire VLAN), where the packets can be analyzed.

• Provides access to packets for monitoring

• SPAN sessions do not interfere with the normal operation of the switch




The industry best practice for packet visibility are network TAPs (Test access points). Network TAPs are purpose-built hardware devices that create an exact copy of the network packet data, continuously 24/7 without compromising network integrity.

•Network TAPs make a 100% full duplex copy of network traffic

•Network TAPs do not alter the data or drop packets

•Network TAPs are scalable and can either provide a single copy, multiple copies (regeneration), or consolidate traffic (aggregation) to maximize the production of your monitoring tools


Provides 100% full duplex copies of network traffic

Ensures no dropped packets, passing physical errors and supports jumbo frames

Does not alter the time relationships of frames

Passive or failsafe, ensuring no single point of failure (SPOF)

TAPs are secure, do not have an IP address or MAC address, and cannot be hacked

CALEA (Commission on Accreditation for Law Enforcement Agencies) approved for lawful intercept, providing forensically sound data, ensuring 100% accurate data captured with time reference

Data Diode TAPs provide unidirectional traffic to protect against back flow of traffic into the network

Scaleable for traffic optimization and can aggregate multiple links down to one

Provides access to packets for monitoring

Can take up high value ports on the switch

SPAN traffic is the lowest priority on the switch

Some legacy switches do not have SPAN available

SPAN ports drop packets, an additional risk for security and regulation solutions

Will not pass corrupt packets or errors

Can duplicate packets if multiple VLANs are used

Can change the timing of the frame interactions, altering response times

Bidirectional traffic opens back flow of traffic into the network, making switch susceptible to hacking

Administration/programming costs for SPAN can get progressively more time intensive and costly

Following critical infrastructure’s guiding principles — you want your network to be built to last, while ensuring minimal to no network downtime. These concepts rest on the network infrastructure and visibility architecture. Being built by incorporating best practices are what’s going to help you achieve these goals.