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Cisco Provider Connectivity Assurance vs Nagios Core comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Mar 29, 2026

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

Cisco Provider Connectivity...
Ranking in Network Monitoring Software
45th
Average Rating
8.8
Reviews Sentiment
6.9
Number of Reviews
24
Ranking in other categories
Application Performance Monitoring (APM) and Observability (41st)
Nagios Core
Ranking in Network Monitoring Software
19th
Average Rating
8.2
Reviews Sentiment
7.3
Number of Reviews
51
Ranking in other categories
IT Infrastructure Monitoring (18th)
 

Mindshare comparison

As of October 2026, in the Network Monitoring Software category, the mindshare of Cisco Provider Connectivity Assurance is 0.8%, up from 0.7% compared to the previous year. The mindshare of Nagios Core is 1.3%, down from 2.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Mindshare Distribution
ProductMindshare (%)
Nagios Core1.3%
Cisco Provider Connectivity Assurance0.8%
Other97.9%
Network Monitoring Software
 

Featured Reviews

Pifu Lin - PeerSpot reviewer
Senior System Engineer at DYNASAFE TECHNOLOGIES PTE. LTD.
Addresses connectivity issues with real-time monitoring while offering good local support
I had prepared for COC and the client. I work as a vendor for a client using Flow Mount for network performance monitoring. I focus on resolving client-side issues related to Packy Performance and quality use. This involves addressing network device issues, specifically Cisco network devices One…
HY
Senior System Administrator at Interactive Group
Monitoring solution provides comprehensive visibility across IT infrastructure
The good thing about Nagios Core is it covers everything. Everything in the IT domain, you can monitor anything. You can even monitor printers, the ports of printers, Core workstations, and storage. You can monitor the workflow Core and the utilization of computes. If you want to grasp everything of your IT equipment on a single interface, you can use Nagios. It's the best one. It provides dashboards, and you can also configure your emails and alerts with it. If something is critical, you can configure it to notify via emails. It has a very handy dashboard, providing live alerts and visibility for everything.

Quotes from Members

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

Pros

"For us, the most valuable feature is something called TWAMP that allows for real-time traffic in a way that is 10 times lighter than things like SolarWinds. It's in the sub-milliseconds of accuracy, and you can divide tasks so that you can literally see things like the tagging for Quality of Service. That had been incorrect with the carrier, but there was no way on this planet you'd be able to tell a carrier that they're wrong. I have dozens of scenarios where we found "No, that's not right," and got it resolved instantly."
"I think the analytics features are okay. My customer also likes the interface, the GUI, because it's easy to operate."
"It is very stable, has reduced downtime and migration time, and with Skylight we never forget anything."
"When a remote contact complains about a slow application, we can immediately pinpoint the cause of concern."
"This solution has helped to improve the interaction between our network, datacenter, and application teams. I have used other tools, but this tool can pinpoint the root cause of my application or network issue in the majority of the cases. So, it helps different divisions or groups in the IT department to troubleshoot together and get an issue resolved. This tool helps a lot in our day-to-day networking application and IT operations."
"Ease of use; can literally diagnose an issue in about four clicks."
"The feature I used to like the most was its ability to decode layer seven protocols, although this is becoming less useful now that encryption is so widespread."
"The solution’s UI and single pane of glass is good. The new dashboard is modern with its new design. The look of it is not pretty, but it is efficient, which is good. It is user-friendly; you can find what you need on the interface quickly."
"Nagios Core is very configurable. Whatever you want, you can do it."
"It is fairly easy to set up, and we can monitor pretty much everything we want to."
"The poller is really good, I can easily implement new stuff and it is scalable."
"The most valuable feature of Nagios Core is it allows us to develop and add as many plugins as we want."
"The features of Nagios Core that we find most valuable are the plugins we use, we can check the uptime and see how many servers and routers and create groups accordingly."
"Nagios allows IT staff and end-users to see the status of critical services on the network and can alert and notify selected users if critical services fail, reducing the mean time to recover."
"I would rate the overall solution ten points out of ten."
"I like the way the solution sends alerts and how it keeps on escalating them."
 

Cons

"Increase the drive’s capacity to store more data, and maybe switch to a database system similar to 3Big-Data."
"Human resource costs can be high when dealing with connection issues."
"Pricing is a little bit expensive."
"It needs the possibility to export data because it is not easy to see larger data sets, e.g., for one month. It would be interesting to export data into a PDF or dashboard to keep a history of the situation."
"Embed a warning system to a mailbox when it exceeds the threshold for use of bandwidth over a given period of time."
"The licensing of the virtual pollers is problematic because they are attached to the physical ESX on which they are installed."
"This solution is expensive compared to some others."
"The UI interface of Accedian Skylight could improve."
"It's not that easy to install the product itself. Also, the UI is a bit hard for regular users to navigate through."
"The user interface could be more interactive because it is pretty basic."
"We use the free version of Nagios, which needs some administrative skills in order to configure correctly."
"The tool needs to improve the integrations."
"I like to have the option to configure Nagios using the web interface."
"Nagios Core is not easy to use, so I don't recommend it for everyone."
"Nagios Core can improve the graphical interface, it would make things a little easier."
"Some of the reporting functionality is a bit basic and configuration is a chore although by the use of NagiosQL this can be made a lot easier."
 

Pricing and Cost Advice

"We understand there's a significant cost difference, but have yet to investigate fully."
"The price is competitive overall, depending on the type of customer."
"The pricing of Accedian Skylight is really good. The sensors are low cost. Their model to analytics for sensors is by license, endpoint, or session. With the probes for their analytics, if they get deployed virtually, they are free. The licensing is only based on flows. So, you can effectively deploy probes everywhere in your network. Then, if you want to look at a specific type of traffic, you can enter into it with a very low cost license. You can just use things like spam ports, mirrors, TAPs, and aggregators to optimize what sort of traffic you send to these analysis tools. Then, if you want to start looking at more, you can up your licensed as you go. You are not getting forced into expensive appliances or subscription models."
"It's not for free, clearly. But on the other hand, it offers very interesting functionality. We pay around €100,000."
"The pricing is cheaper than other competing products, which is better for our budgets."
"It provides value and the cost is not huge."
"Pricing is a little bit expensive."
"The solution was previously well-regarded, but after being acquired by Accedian, the prices have significantly increased. This has made it challenging to sell the product due to its high cost. It is an expensive solution."
"Nagios Core is free to use."
"We are using the free version of Nagios Core."
"Nagios Core is an open source solution, and there are no licensing fees."
"We are using the free version."
"The solution is expensive."
"The Nagios Core (PNP4Nagios + Core) is free and can be setup by Netadmin within a few hours. The only additional cost is the cloud server."
"It's free."
"We have saved a lot of time, money, and effort in reducing disaster times, which is owed to Nagios quick alerting."
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Top Industries

By visitors reading reviews
Outsourcing Company
14%
Construction Company
12%
Comms Service Provider
11%
Financial Services Firm
9%
Comms Service Provider
10%
Manufacturing Company
9%
Financial Services Firm
7%
Outsourcing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business14
Midsize Enterprise6
Large Enterprise9
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise11
Large Enterprise24
 

Questions from the Community

What needs improvement with Accedian Skylight?
Human resource costs can be high when dealing with connection issues. I require more tools to file and resolve these issues efficiently.
What is your primary use case for Accedian Skylight?
I had prepared for COC and the client. I work as a vendor for a client using Flow Mount for network performance monitoring. I focus on resolving client-side issues related to Packy Performance and ...
What is your experience regarding pricing and costs for Nagios Core?
Nagios Core is a free and open-source product. We don't charge for the product itself, but we charge for the man-hour costs related to installation, configuration, ongoing operation, and maintenance.
What needs improvement with Nagios Core?
The dashboard should be improved. It's very simple. I don't have a very clear or specific suggestion. You can change the skin of the dashboard, however, it's good for me.
What is your primary use case for Nagios Core?
I was a senior system administrator. I've been using Nagios Core for more than ten years now. It can be used to monitor hosts, such as machines, and monitor services of any kind. I'm using it to mo...
 

Also Known As

Accedian Skylight, Accedian SkyLIGHT PVX, SkyLIGHT PVX, SecurActive, Performance Vision
No data available
 

Overview

 

Sample Customers

T-Systems, Thomson Reuters, Bordeaux Metropole, CGI, Citadelle Regional Hospital Center, Lorraine Institute of Oncology, Luxembourg Institute of Health, Groupe BPCE, Group S, Splitpoint, Horus-Net, Audatex, Indexis, Province de Liège, EASI, Spie Batignolles, Faymonville
Airbnb, Cisco, PayPal, FanDuel
Find out what your peers are saying about Cisco Provider Connectivity Assurance vs. Nagios Core and other solutions. Updated: September 2026.
915,341 professionals have used our research since 2012.