Catalyst 9000 or Nexus 9000

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The questions from users: “What is the difference between catalyst 9000 and Nexus 9000? Where can we use in the network and Features of Catalyst 9000 and Nexus 9000?”

They are 2 classes of switch. Catalyst 9k should be campus network class, while Nexus is belonging to data center class. Campus network is a term to describe the size of infrastructure. It’s doesn’t mean you cannot use campus network switch on data centre. Depending on your requirement (E.g. throughput, scalability, budget…etc) to choose your equipment.

  1. Cat 9500 is for Enterprise switching and routing for Collapsed Core or Core.
  2. Nexus 9K are more of Data center and Server Switching. (with ACI )

With Catalyst 9000 you access DNA software capabilities via pre-bundled Cisco ONE software suites or a-la-carte components. (Available across the entire enterprise networking portfolio, Cisco ONE software provides businesses with access to ongoing innovation, budget predictability, and a more agile way to consume technology.)

The hardware for Cisco ACI is based on the Cisco Nexus 9000 family of switches. The software and integration points for ACI include a few components, including Additional Data Center PodData Center Policy Engine, and Non-Directly Attached Virtual and Physical Leaf Switches.

Catalyst 9000 or Nexus 9000? Read the following comparison of Nexus 9500 Switches and Catalyst 9500 Switches.

Nexus 9500 Switches
Catalyst 9500 Switches
Key Features
Target deployments Modular data center Small to large enterprise core/distribution
Stacking Yes
SD-Access Yes
Advanced security and analytics Yes
Port quantity 48 x 1/10/25 G, 32/36 x 40/100 G 32 x 100 G QSFP28, 32 x 40 G QSFP, 48 x 25 G SFP28, 48 x 10 G/1 G SFP+/SFP
Port types 1/10/25/40/50/100 G 100 G, 40 G, 25 G, 10/1 G
Switching capacity 60 Tbps 6.4 Tbps
Stacking/chassis bandwidth 60 Tbps 12.8 Tbps
IPv4 routes 128k 212k
IPv6 routes 32k 212k
Flash memory installed size 16-24 GB 16 GB
Wireless bandwidth No
Advanced switching Layer 2/3 Layer 2/3
Jumbo frame support 9216 bytes 9216 bytes
MAC address table size 104-160k/card 80k entries
Native wireless support No
Integrated PoE yes No
PoE/PoE+/UPOE N+1 No
PoE budget 3000W No
Power redundancy AC 200-277V, DC 240-380V Optional
Power redundancy scheme 1+1
Power provided 650-1600W
Nominal voltage AC 120/230V; DC -36/-72V
Humidity range operating 5-95% (noncondensing)
Maximum operating temperature 104°F
Minimum operating temperature 32°F
Maximum storage temperature 149°F
Minimum storage temperature -4°F
Form factor
Configuration Modular data center Fixed,  virtual stack
Height (rack units) 4-21 RU 1 RU
Slots free quantity 4-16 0
Slots total quantity 3-23 3
Depth 31.8-33.2 in 17.7 in
Height 12.3-36.7 in 1.8 in
Width 17.5 in 17.5-21.5 in
Weight 85-192 lb 21-26 lb
Encrypted Traffic Analytics AES128, SSH, TLS, IPSec Yes
Trustworthy systems yes Yes
Encryption protocols yes AES-256/MACsec-256, SSH, TLS, IPsec
MPLS yes Yes
IGMP snooping Yes
NetFlow Yes
Python yes Yes
Containers yes Yes
NX-API yes
Operating system NX-OS/ACI Cisco IOS XE 16
License type perpetual / Subscription Perpetual plus subscription
Warranty Limited hardware warranty E-LLW
Service 10-day advance parts replacement, technical support NBD delivery of replacement hardware where available
Support full contract period 1 year, technical support 90 days of 8×5 Cisco TAC support
Comparison Page URL|24

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