Cisco Catalyst Center vs. Icinga vs. Nagios Core

Would recommend Cisco Catalyst Center to medium to large scale organizations that have many cookie-cutter sites and the resources to properly provision all their devices. I would not recommend to teams that do not have a strong network engineering team that can navigate the various intricacies of the platform.

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Icinga is a world-class monitoring system. It can be used for most general monitoring situations. It is not a silver bullet, however, and there are instances where domain-specific monitoring systems are necessary. However, the output from those monitoring systems can be funneled into Icinga as a central monitoring and alerting system.

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Nagios monitoring is well suited for any mission critical application that requires per/second (or minute) monitoring. This would probably include even a shuttle launch. As Nagios was built around Linux, most (85%) plugins are Linux based, therefore its more suitable for a Linux environment.

As Nagios (and dependent components) requires complex configurations & compilations, an experienced Linux engineer would be needed to install all relevant components.

Any company that has hundreds (or thousands) of servers & services to monitor would require a stable monitoring solution like Nagios. I have seen Nagios used in extremely mediocre ways, but the core power lies when its fully configured with all remaining open-source components (i.e. MySQL, Grafana, NRDP etc). Nagios in the hands of an experienced Linux engineer can transform the organizations monitoring by taking preventative measures before a disaster strikes.

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• Again, the ease of use of the APIs and the API Explorer provides the tools needed to write these custom workflows that allow us to do a lot of the automation we’re doing now, saving hundreds of hours by using those tools.
• The product is very intuitive, and there is a lot of support out there in the DevNet community to help with that.

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• Wealth of community-developed plugins.
• Stable codebase.
• Icinga 2 supports distributed monitoring.
• Very performant, can support tens of thousands of checks per server.

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• Monitoring of services is one of the biggest benefits for our company. Being able to respond in a timely fashion keeps business smooth.
• Hardware and device monitoring are easy to set up with proper parameters.
• Notification to key staff to be able to respond quickly makes issues go away faster.

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• Within its Tasks - Audit, it can sometimes allow plaintext data, including passwords, to be seen. There should be functionality to detect password usage and appropriately obfuscate the data.
• Occasionally, Catalyst Center does not sync changes properly within templates, which requires deleting and reconfiguring the template version. Better processes here would be beneficial.

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• High learning curve, setting up Icinga from scratch can be a bit of a challenge starting out.
• If the io2db process fails you UI stops updating, which can be very frustrating.
• There is no simple mechanism for adding new hosts and services through the web UI, it's all very config-file based.

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• Nagios could use core improvements in HA, though, Nagios itself recommends monitoring itself with just another Nagios installation, which has worked fine for us. Given its stability, and this work-around, a minor need.
• Nagios could also use improvements, feature wise, to the web gui. There is a lot in Nagios XI which I felt were almost excluded intentionally from the core project. Given the core functionality, a minor need. We have moved admin facing alerts to appear as though they originate from a different service to make interacting with alerts more practical.

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I think new products are often "half-baked" or over hyped when they release, as was the case with DNAC. We were well ahead of the curve in acquiring it. But as it has matured it is now a fantastic addition to our infrastructure. I think we are easing into a stage where it is hard to envision a large organization NOT having Catalyst Center in place. If for nothing outside of the mapping and troubleshooting aspects; using it as a "source of truth".

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Icinga is a solid solution which does everything it promises. It is backwards compatible with most Nagios instances, making the transition very easy. Once you get the hang of installing new plugins and editing configuration files expanding its monitoring capabilities are easy.

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We're currently looking to combine a bunch of our network montioring solutions into a single platform. Running multiple unique solutions for monitoring, data collection, compliance reporting etc has become a lot to manage.

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Cisco DNA Center is going to help us in security, simplicity and ease of administration. Cisco DNA Center is complete management and control platform that simplifies and streamlines network operations. Cisco DNA Center offers a single dashboard for every core function in your network. With this platform, IT can become more nimble and respond to changes and challenges faster and more intelligently.

The Nagios UI is in need of a complete overhaul. Nice graphics and trendy fonts are easy on the eyes, but the menu system is dated, the lack of built in graphing support is confusing, and the learning curve for a new user is too steep.

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El soporte de CISCO DNA Center es muy bueno, responden a mis dudas pero no he tenido oportunidad de reportar un incidente o determinar un tiempo de respuesta critico. The support of CISCO DNA Center is very good, they answer my questions, but I have not had the opportunity to report an incident or determine a critical response time.

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I haven't had to use support very often, but when I have, it has been effective in helping to accomplish our goals. Since Nagios has been very popular for a long time, there is also a very large user base from which to learn from and help you get your questions answered.

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It was informative, but the labs were not available long enough for us to get intimately familiar with CCNA before it was closed. The course instructor was well informed and got us as close to ready as she could.

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Cisco Catalyst Centeris basic zero-touch provisioning out of the box. You just rack and stack the switches, patch 'em in, and the controller pushes the config automatically. No need to console into every single box or spend hours script-running over CLI.The AI-driven assurance and telemetry are top-tier. Instead of getting flooded with useless syslog alerts when a link drops, it correlates the telemetry data to give you proactive health checks. It literally pinpoints wireless anomalies and bandwidth chokepoints before the users even start opening tickets.It handles fabric microsegmentation like a boss through SD-Access and TrustSec. You can easily enforce group-based policies right at the hardware level. It drops IoT gear, guests, and corporate traffic into their own secure buckets dynamically, without you having to manage a trillion messy VLANs and ACLs.

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Icinga is better than Nagios because of its nicer user interface. New Relic can monitor CPU/memory and disk usage, but it's more of a performance and application troubleshooting tool rather than monitoring

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Because we get all we required in Nagios [Core] and for npm, we have to do lots of configuration as it is not as easy as Comair to Nagios [Core]. On npm UI, there is lots of data, so we are not able to track exact data for analysis, which is why we use Nagios [Core].

• I have used it for upgrading devices, and it's does a great job at that, however out operations team for whatever reason has not adopted the feature.
• Overall it feels like Cisco Catalyst Center has been huge waste of time. I feel like my time would be better spent on other projects and looking at other products and tools

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• With one check you know which applications are faulty e.g. after an upgrade. Which is big time saver
• You easily detect outages ion the applications so that your customer ideally does not even realize there was an outage.
• Detect if the environment does deliver the same result as in the same time as before to detect shortages.
• Additional information when debugging. Saved us several hours where we could simply point to a database which was slow.

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• With it being a free tool, there is no cost associated with it, so it's very valuable to an organization to get something that is so great and widely used for free.
• You can set up as many alerts as you want without incurring any fees.

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