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Cisco Nexus Room for Improvement

Practice Lead - Data Center Networking at a construction company with 5,001-10,000 employees

There is an ongoing problem with the limitation of the TCAM table, which is that it doesn't have enough memory to allow you to be really granular with your policy. Without enough memory, it requires manual manipulation if you exceed or get near to the TCAM limits. They have improved it, but in the early days, it took down some companies.

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Florin Jalencu - PeerSpot reviewer
IT Specialist at E.ON

I'm not in a good position to comment on what might be lacking. I just use the Nexus switches, and I'm very happy to use the machines.

A lot of technologies and features are present on Cisco Nexus and I haven't had a chance to dive into all of them just yet.

We had some issues, strange issues with our firewall from Cisco, however, we resolved them with Cisco. They were very, very strange issues indeed. However, they seem to originate only on our site, and not from Nexus. From my point of view, I've never seen in 20 years, a single breakdown.

They should work to make the pricing more reasonable for the local market.

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Omer Mohammed - PeerSpot reviewer
Senior System Engineer at a financial services firm with 1,001-5,000 employees

The licensing is very complicated. They should work to simplify it.

Every feature you want to use you have to pay for separately as an extra cost. The features should be bundled together. It sometimes causes us to have clashes with dealers.

We don't find that there's any difference between the Nexus and Catalyst solutions. It seems that just the marketing is somewhat different, even though they seem to be the same technology.

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Buyer's Guide
Cisco Nexus
September 2022
Learn what your peers think about Cisco Nexus. Get advice and tips from experienced pros sharing their opinions. Updated: September 2022.
633,952 professionals have used our research since 2012.
Senior Network Engineer at a comms service provider with 10,001+ employees

The solution could be improved in general in all aspects. 

When it comes to technical assistance, you cannot speed up things. You can try to escalate, however, there's a process. You have not got them on speed dial. You need to wait.

It would be ideal if there was better integration with various other platforms. 

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Senior System Engineer at a tech services company with 11-50 employees

The flexibility and configuration could be better. It needs to be improved.

It is not as reliable as Catalyst.

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Senior Network Consultant at a financial services firm with 10,001+ employees

Cisco Nexus if focused primarily on the data center. While it has been in the market for nearly ten years, there are still many areas in need of improvement. There may be many bugs which remain unresolved. It is important for Cisco to be aware of the various issues it encounters and come up with new releases. 

The frequency with which this occurs can vary. It may take months, be done quarterly or, sometimes, after half a year has elapsed. There is still much to be done to increase their stability, something which can depend. 

The solution is relatively expensive when compared with Cisco Catalyst.

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Co-Founder and CEO at PT Eugenea Kreasi Utama

The solution is more expensive than other options on the market. HPE, for example, is a more affordable option. 

The renewal of support is quite expensive. 

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Manager IP Core and Transmission Networks at GO PLC

One of the biggest challenges, which I see is that there's a constant evolution in the product. For example, our configuration is based on what is known as traditional data center implementation. Today there is the ACI deployment and to implement, to migrate from one technology to another, that's challenging both from a configuration perspective and also from a cost perspective. We have had a problem in an order of a batch of optics, which is practically failing. So that was about the average of optics, which caused us quite some problem.

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Network Manager at a financial services firm with 1,001-5,000 employees

I am looking for a GUI that goes alongside them and more SD-WAN built to their core switches.

I'm looking at changing our firewall estate, and at the same time, looking at integrating our firewalls with whatever our core switch solution is going to be. I can't necessarily do that with the costings of a Cisco organization, as they're too expensive.

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Hesham Rashed - PeerSpot reviewer
Managing Director at Technology Pro Egypt

The cost of the support can be improved. We had critical operations, and we needed 24/7 support for 365 days, which was quite expensive. We had to go for a very costly support contract, which was really a concern. The availability of spare parts, especially in a remote location such as Egypt, can also be improved.

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System Engineer at a manufacturing company with 10,001+ employees

The solution could be more user-friendly. 

It should have a more lenient cost. It could be cheaper in general. 

The installation process lasted too long, taking 16 to 24 hours for full completion. It should be faster. 

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CEO at a construction company with 11-50 employees

The price could be better. 

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Itsikc BenTolila - PeerSpot reviewer
Founder & CEO at Malam-Team

They could improve on having different technologies between product models. The management dashboard could be better if it could handle the Catalyst and the Nexus at the same time. If Cisco could find management connectivity between the DMA center and the ACI connectivity this would be helpful.

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Sr. Principal Engineer at a comms service provider with 1,001-5,000 employees

Areas for improvement would be the delivery timeline for the actual model, the length of which means we have to sacrifice a range of models because we can't wait six months for delivery.

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Network Manager at a transportation company with 5,001-10,000 employees

The operating system needs to be improved. There should be stability in the operating system, and it should not have as many vulnerabilities.

It is very expensive. Its price could be better.

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Atul Torne - PeerSpot reviewer
Sr. Backbone Architect at NTT Global Networks Incorporated

Cisco Nexus could also have better documentation.

Moreover, it would be nice if the solution offered multiple types of port support. It does not have, for example, a single switch for both internet and fiber ports. 

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Senior Consultant at a consultancy with 10,001+ employees

Nexus switches should be able to support network function virtualization (NFV).

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Digital Transformation at a consultancy with 1,001-5,000 employees

The software is not as mature as it could be and needs some integration improvements with other orchestrators.

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Husam Kabaha - PeerSpot reviewer
CTO at Mechkar

The implementation process could be easier, which is something that should be improved.

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Yusuf Mian - PeerSpot reviewer
Chief Technology Officer at Interlink Engineering Pvt Ltd

I feel that this solution should be more flexible and scalable.

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Buyer's Guide
Cisco Nexus
September 2022
Learn what your peers think about Cisco Nexus. Get advice and tips from experienced pros sharing their opinions. Updated: September 2022.
633,952 professionals have used our research since 2012.