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Flowmon vs VMware NSX comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Nov 6, 2024

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Flowmon
Ranking in Network Detection and Response (NDR)
14th
Average Rating
8.6
Reviews Sentiment
7.5
Number of Reviews
4
Ranking in other categories
No ranking in other categories
VMware NSX
Ranking in Network Detection and Response (NDR)
9th
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
106
Ranking in other categories
Network Virtualization (2nd), Cloud and Data Center Security (3rd), Network Traffic Analysis (NTA) (7th), Network Automation (5th), Microsegmentation Software (1st)
 

Mindshare comparison

As of October 2025, in the Network Detection and Response (NDR) category, the mindshare of Flowmon is 1.9%, up from 1.7% compared to the previous year. The mindshare of VMware NSX is 1.1%, up from 1.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Detection and Response (NDR) Market Share Distribution
ProductMarket Share (%)
VMware NSX1.1%
Flowmon1.9%
Other97.0%
Network Detection and Response (NDR)
 

Featured Reviews

Pifu Lin - PeerSpot reviewer
Quick identification of network issues enhances performance monitoring
We will try to Proof of Concept (POC) to a client in Taiwan. We just use the features for the Network Performance Monitor (NPM) Flowmon is more easy to understand and helps find network issues more quickly. We need this solution to monitor the network performance. We started using it three…
TAIYAB HASAN - PeerSpot reviewer
Has improved network visibility and security through micro-segmentation and SDN capabilities
This feature gives us flexibility and allows us to manage everything under one pane. We can see everything on one console, including network operations and behavior. Monitoring and security are among the best features for VMware NSX. For micro-segmentation, it's integrated with our endpoint security. If there are any issues with servers or VMs, it notifies us so we can isolate the servers and investigate. It provides distributed security features such as firewall and intrusion, IDS, IPS. The security level with IPS and IDS in VMware NSX is excellent. It also provides logical switching and routing which gives an extra layer for Layer 2 and Layer 3 switching requirements. The solution provides flexibility, automation, and self-service capabilities, resulting in cost savings as extensive expertise isn't required. Once automation and self-service are implemented, many tasks can be completed automatically. Load balancing is another excellent feature. Multiple servers can run on load balancing features, which is particularly useful since we have many application servers running. Sharing loads between servers provides the best performance.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"The artificial intelligence and automatic detection system in Flowmon Solution are perfect for every, type of customer, such as government and commerce."
"It is an open platform, so in terms of integration, we are quite happy. We can integrate it with other SNMP solutions. We can also integrate it with security solutions, such as a SIEM solution."
"Flowmon is more easy to understand and helps find network issues more quickly."
"Flowmon is more easy to understand and helps find network issues more quickly."
"The solution is stable."
"The initial setup was straightforward. You just have to click it and follow the manuals."
"It operates on a logical level, providing a comprehensive and centralized way to manage your network resources."
"The most valuable feature is the integration with the firewall."
"I rate the scalability as ten out of ten."
"The microsegmentation is a good feature. You can segment details, products, or hardware information."
"The dashboard is comprehensive and easy to use."
"From a distributed firewall perspective, it's a solid solution."
"The solution's customer service is good."
 

Cons

"If there was better visualization in Flowmon Solution it would be good."
"I do not know the detailed pricing."
"The licensing price could be better."
"It would be helpful to have more details about the monitoring of the infrastructure. It should have support for SNMP. This is something that is currently not there in the product."
"I would like them to make integration with other vendors easier."
"This solution is really unusable from my perspective at this point. Overall, I would rate the solution a one of ten."
"The scalability is not perfect."
"It could be more user-friendly, but it's manageable. When we add a specific node to this particular NSX and the configuration changes, it won't push through the errors where required, but it'll accept it. However, while using it, we will have issues. It can also be more stable."
"The vendor should integrate a basic load balancer in future versions"
"It takes time to do the initial setup. It is a bit slow, which is surprising."
"One aspect that needs improvement is the need for further automation."
"We have been satisfied with the technical support. They were able to solve our problems. However, they could be faster."
 

Pricing and Cost Advice

"It works with a permanent license, and then you can pay for the support. For the gold support, you need to pay yearly."
"The price of the solution could be better."
"The licensing fee accrues only once, but that of support is annual."
"VMware has a subscription and perpetual license. In the New Year, they're changing many things about the licensing model. Previously, NSX was licensed according to the number of sockets inside the appliance, so we bought VMware licenses based on that. However, that may have changed this year. We are still contacting the vendors to understand the new licensing strategy."
"The pricing model for VMware NSX is good."
"There is a license required for this solution and there is also a support license available. The price of the solution could be better."
"The price is significantly high and it can be a hurdle for many potential users."
"The implementation of VMware NSX can be cost-intensive, especially if an organization is looking for a comprehensive solution. The costs can vary based on factors like the level of conversation and discounts obtained during negotiations. Some government organizations, for instance, may find the prices relatively high, leading to concerns about budget hikes, especially when deploying the solution across the entire organization. Regarding maintenance and support, they are typically included in the standard licensing costs for enterprise-level businesses. While these costs can be significant, many companies opt for standard licensing to ensure they have access to necessary support and maintenance services."
"All the institutions have to pay monthly for the services in the cloud. They have to pay $30,000 every month for this service every three years."
"Pricing and licensing could be improved as we are a government entity. Lower pricing could always help."
"VMware NSX is expensive and everything is licensed. We have to pay for each individual feature."
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Top Industries

By visitors reading reviews
Manufacturing Company
12%
Computer Software Company
12%
Financial Services Firm
9%
Performing Arts
8%
Computer Software Company
15%
Financial Services Firm
12%
Manufacturing Company
9%
Government
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business33
Midsize Enterprise23
Large Enterprise69
 

Questions from the Community

What is your experience regarding pricing and costs for Flowmon Anomaly Detection System?
I don't understand the price. I am in deployment, so I do not know the detailed pricing.
What is your primary use case for Flowmon Anomaly Detection System?
We will try to Proof of Concept (POC) to a client in Taiwan. We just use the features for the Network Performance Monitor (NPM).
What are the biggest differences between Cisco ACI and VMware NSX?
There are some very major differences between both the Products and to name a few. -Cisco ACI have physical network gear (9K Switches) where the Code runs in ACI Policy Mode & the UCS server wh...
What are the biggest differences between Cisco ACI and VMware NSX?
Once you know your way around the Cisco ecosystem, using Cisco ACI is not so difficult. It is a global product, so when you change one interface, changes are automatically reflected on every switch...
What do you like most about VMware NSX?
The product has valuable features for security and network extension.
 

Comparisons

 

Also Known As

Flowmon Anomaly Detection System
VMware Nicira, Lastline Defender
 

Overview

 

Sample Customers

SEGA
City of Avondale, Lumeta, Kroll Ontrack, Heartland Payment Systems, Baystate Heallth, Exostar, Tribune Media, iGATE, NTT Communications, Synergent, California Natural Resources Agency, Bloomington Public Schools, Columbia Sportswear, Join Experience S.A, Schuberg Philis
Find out what your peers are saying about Flowmon vs. VMware NSX and other solutions. Updated: September 2025.
869,566 professionals have used our research since 2012.