Cisco NX-OS vs. IBM z/OS

It's definitely very well suited for data center environments and the scale that is sometimes required. We also manage many enterprise environments, and we almost never see Cisco NX-OS or Nexus in an enterprise environment, only specifically on the data center side. Mainly because of the lower bandwidth requirements and so on. But it depends on the hardware, since it's a software product.

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IBM z/OS, more specifically Omegamon, has access to a lot of relevant information for monitoring but a 90s interface with little or no ease of use and/or maintenance.

• Cisco NX-OS does a great job of supporting high dense environments due to Cisco NX-OS based devices having some of the fastest packet switching performance
• Cisco NX-OS supports high bandwidth environments really well due to the high throughput links that are typically found in Cisco NX-OS network appliances
• Cisco NX-OS provides some of the best redundancy in the way of "Active-Active redundancy" via it's VPC technology. This is especially desirable in data center environments.

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• provides infrastructure metrics
• provides historical transaction behavior
• provides metrics on vital components for z/OS

• I think one thing we'd like to see a bit more in the Nexus space is probably the troubleshooting features. So one would be the I perf feature and being able to test network traffic across links. Don't get me wrong, there's a lot of really good features in terms of troubleshooting, but one particular one that we like to see is where we can test network traffic. We can make sure that we have good latency, we got good bandwidth utilization as well. For us that's a big one. We've got to use third party tools to do that. So if the NXOS platform can do it, that's one of the thing we've got to do.

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• end-to-end requests
• correlated metrics of vital components
• facilities to consume historical transaction data

NX-OS has many similarities with the traditional IOS which is quite beneficial when it comes to configuration and learning. As a native Linux system, there are a lot of tools and features that can be enabled for any use case.

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IBM needs to update, modernize and improve the usability of the Omegamon interface

Excellent and the best Automation capabilities with Cisco NX-OS which effectively allows easy management of different networks across the whole organization keeping all the business data secure and well managed. With its ability to detect any data threat and effectively fix the issue, Cisco NX-OS has extremely powerful options and its process monitoring capabilities are the best.

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Cisco support never fails me. In terms of timely response, no one is on par with them. They really value the impact of having technical issues and potential business stoppage. Also, their support staff are well equipped with knowledge and skills and easily resolve the most common incidents. Most of the time, we can resolve an issue by just calling them once.

I am much more familiar with the commands in Cisco IOS as it has been around for many more years. I know why NX-OS is a different system and can see the benefits of the fibre channel integration, but I do not understand why the commands had to use a different syntax. With the Nexus switches you don't get a choice of operating system unfortunately.

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IBM needs to update, modernize and improve the usability of the Omegamon interface

Up to now, we haven't had a major ground-shaking attack on our networks but we take no chances by using NX-OS alongside a SIEM. All endpoints and workloads are secure so I would say we have plenty of trust in their security model.

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• We do have some implementations on Cisco NX-OS and Nexus hardware, and some of these are already quite old, but they are still running pretty smoothly. So they are super reliable, in my opinion. So that's one of the very positive ways it impacts companies.

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• We need to have Observability on the Mainframe