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Cisco Nexus 9000 Series pros and cons

Vendor: Cisco
4.4 out of 5

Pros & Cons summary

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Prominent pros & cons

PROS

Customers report not utilizing even 40% of the switches, indicating a large capacity.
Performance in data center operations with Cisco Nexus 9000 Series is excellent, with no performance issues experienced.
One of the biggest European customers deployed Cisco Nexus for core networking, running for years without a single downtime.
Cisco Nexus 9000 Series exhibits great performance, with stable networks in failover scenarios and support for vast environments with high availability.
Stability and reliability of Cisco Nexus 9000 Series are robust, often requiring years between failures.

CONS

If a user has a Juniper and wants to uplink with Cisco, there could be some configuration challenges.
Even though Cisco Nexus 9000 Series is expensive, the return on investment is uncertain.
Automation with Cisco Nexus 9000 Series could be improved.
The SFP modules used have issues such as overheating and packet errors.
Cisco Nexus 9000 Series has fallen behind other vendors in adopting new technologies.
 

Cisco Nexus 9000 Series Pros review quotes

AS
Technical Marketing Engineer Hybrid Cloud Infrastructures at NetApp
Aug 25, 2026
For one of the biggest European customers, they deployed Cisco Nexus for their core networking and it has been running for a few years without having a single downtime.
Jihad Aqel - PeerSpot reviewer
Senior Network Engineer at Shabkati network solutions
Aug 28, 2026
The performance in data center operations with Cisco Nexus 9000 Series is excellent; we have never faced any performance issues.
Parmanand  Pandey - PeerSpot reviewer
Sr Tech Lead at CYGNUS
Sep 15, 2026
According to the customers, they are not utilizing even 40% of the switches because the capacity is very large.
Learn what your peers think about Cisco Nexus 9000 Series. Get advice and tips from experienced pros sharing their opinions. Updated: September 2026.
913,806 professionals have used our research since 2012.
Bharath _Kumar - PeerSpot reviewer
Solution Architect at a outsourcing company with 1,001-5,000 employees
Aug 27, 2026
The features for manageability and visibility are impressive.
Fakhar Mahmood - PeerSpot reviewer
Sr. Network Administrator at i2c
Oct 31, 2025
Cisco Nexus 9000 Series is quite a complex machine, but we are using a very simple configuration with basic Nexus switching, and we don't have many issues with Cisco Nexus 9000 Series at the moment in our present infrastructure.
GordonMac Donald - PeerSpot reviewer
Automation And Programmability Content Creator at Ine
May 4, 2026
The stability and reliability of Cisco Nexus 9000 Series are robust, and once you put it on, it does not just fail; that takes a long time, maybe even years.
EvansEsezobor - PeerSpot reviewer
Group IT Head at Euracare
Oct 29, 2025
Cisco Nexus 9000 Series is very durable and very reliable, and there has never been any issue with it.
VikramSingh1 - PeerSpot reviewer
Senior Cloud Support Analyst at Accenture
Apr 3, 2026
We are using the core capabilities of Cisco Nexus 9000 Series Ethernet switches, and it is performing well.
Raphael Mwangi - PeerSpot reviewer
Chief Executive Officer at Smoothtel & Data Solutions Ltd
Oct 23, 2025
RealPresence works effectively.
 

Cisco Nexus 9000 Series Cons review quotes

AS
Technical Marketing Engineer Hybrid Cloud Infrastructures at NetApp
Aug 25, 2026
In terms of automation with Cisco Nexus 9000 Series, it could be better.
Jihad Aqel - PeerSpot reviewer
Senior Network Engineer at Shabkati network solutions
Aug 28, 2026
Even though it is expensive, I am not sure about the return on investment. It is expensive, and you will need to pay for subscription fees that also are not cheap.
Parmanand  Pandey - PeerSpot reviewer
Sr Tech Lead at CYGNUS
Sep 15, 2026
If I have a Juniper and want to uplink with Cisco, there could be some configuration challenges.
Learn what your peers think about Cisco Nexus 9000 Series. Get advice and tips from experienced pros sharing their opinions. Updated: September 2026.
913,806 professionals have used our research since 2012.
Bharath _Kumar - PeerSpot reviewer
Solution Architect at a outsourcing company with 1,001-5,000 employees
Aug 27, 2026
The potential for improvement lies in the licensing aspect, which is somewhat confusing. The perpetual and subscription licensing is a concern.
Fakhar Mahmood - PeerSpot reviewer
Sr. Network Administrator at i2c
Oct 31, 2025
The SFP modules we are using have had issues. We have Cisco modules, but they frequently heat up or there are packet error issues.
GordonMac Donald - PeerSpot reviewer
Automation And Programmability Content Creator at Ine
May 4, 2026
I would rate the technical support for Cisco Nexus 9000 Series an eight out of ten. This rating is not because of their lack of expertise, but just the assignment period.
EvansEsezobor - PeerSpot reviewer
Group IT Head at Euracare
Oct 29, 2025
Cost-wise, Cisco Nexus 9000 Series is very expensive.
VikramSingh1 - PeerSpot reviewer
Senior Cloud Support Analyst at Accenture
Apr 3, 2026
For Cisco Nexus 9000 Series switches, I think we need to work on the HSRP. Whenever it flaps or something happens, it creates an issue.
Raphael Mwangi - PeerSpot reviewer
Chief Executive Officer at Smoothtel & Data Solutions Ltd
Oct 23, 2025
We find that Cisco has been left behind by the other vendors. The other vendors have adopted new technology, and we find Cisco lagging behind.