2018-06-08T00:56:00Z
Miriam Tover - PeerSpot reviewer
Service Delivery Manager at PeerSpot (formerly IT Central Station)
  • 0
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What is your primary use case for Cisco Catalyst Switches?

How do you or your organization use this solution?

Please share with us so that your peers can learn from your experiences.

Thank you!

83
PeerSpot user
83 Answers
Itsikc BenTolila - PeerSpot reviewer
Founder & CEO at Malam-Team
Real User
Top 5
2022-04-08T18:19:54Z
Apr 8, 2022

The solution is primarily used for the access layer, distribution layer, core layer - the three layers as well as a signal fabric that is managed through the DNA center.

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MH
Fraud Risk Analyst at a university with 1,001-5,000 employees
Real User
Top 5
2022-03-17T12:27:03Z
Mar 17, 2022

Cisco Catalyst Switches is our core switch.

LK
Solutions Architect at a comms service provider with 11-50 employees
Real User
Top 5Leaderboard
2022-03-14T20:15:15Z
Mar 14, 2022

I use Cisco Catalyst Switches for the connectivity of my client's local area network.

Raphael Haroun  Ikyagh - PeerSpot reviewer
Network Administrator at a financial services firm with 1,001-5,000 employees
Real User
Top 5
2022-02-22T18:40:47Z
Feb 22, 2022

We use the solution for long connections. It is deployed on-prem. We're using seven Cisco devices in the head office.

Ali ALI - PeerSpot reviewer
Assistant Manager Traditional Channels at FrieslandCampina
Real User
Top 5
2022-02-22T17:17:00Z
Feb 22, 2022

We are mostly using the Cisco Catalyst 2900 Series, but some are the new 900 Series and a mixture of a lot of solutions. More than 300 people are working on Cisco Catalyst switches.

SameerBali - PeerSpot reviewer
Network Architect at Syriatel Mobile Telecom
Real User
Top 5
2022-02-02T18:28:54Z
Feb 2, 2022

I've utilized Cisco Catalyst Switches on a DNA center. I've also used it for many solutions, e.g. in universities, telecom companies, and other commercial institutions. I've implemented many solutions that contain Cisco Catalyst Switches, call switches, abbreviation switches, and access switches on Cisco design solutions. I worked on a network that contained more than 100 Cisco Catalyst Switches in some of the universities. I use Cisco Catalyst Switches and I implement most of the technology with that content in IOS.

Learn what your peers think about Cisco Catalyst Switches. Get advice and tips from experienced pros sharing their opinions. Updated: November 2022.
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MAXIM TEN - PeerSpot reviewer
Supervisor at Honeywell International Inc.
Real User
Top 20
2022-01-05T07:26:53Z
Jan 5, 2022

Catalyst switches are our dedicated solution for connecting everything into one big domain.

AR
eTrading Manager at a financial services firm with 10,001+ employees
Real User
Top 20
2021-12-27T19:28:30Z
Dec 27, 2021

I work in a big Colombian bank and we use the solution for the campus connectivity involving, perhaps, 23 buildings.

MartinVelazquez - PeerSpot reviewer
Coordinator of IT infrastructures at UMC Electronics Mexico
Real User
Top 5
2021-12-21T10:52:00Z
Dec 21, 2021

My primary use case is to assign VLAN or a port for VLAN on the main network.

RD
Senior Network Administrator at a media company with 1,001-5,000 employees
Real User
Top 5
2021-12-17T22:14:00Z
Dec 17, 2021

We are using Cisco Catalyst Switches for corporate and production, such as offices. We have two networks running and the second one is an Everts network and it is more specialized in TV video broadcasting.

Magno Castellar - PeerSpot reviewer
Project Manager at a tech services company with 1-10 employees
Real User
Top 10
2021-12-06T13:48:12Z
Dec 6, 2021

We primarily use it to provide a hierarchy in the data center, enterprise solutions, and high availability solutions.

WS
IT Coordinator - Networking Team at a maritime company with 11-50 employees
Real User
Top 20
2021-11-22T22:38:04Z
Nov 22, 2021

We use Catalyst switches to extend our network throughout the facility. It's a big facility, so we need to use switches the ABS to get the signal out to the entire facility.

Manoj Chitgopeker - PeerSpot reviewer
Region Head - S1@Dimension Data India at Dimension Data
Real User
Top 5
2021-11-10T15:20:12Z
Nov 10, 2021

We use Cisco Catalyst Switches for network connectivity.

MinaMagdy - PeerSpot reviewer
Senior Infrastructure Solutions Specialist at Fiber Misr
Real User
Top 5
2021-11-03T18:17:00Z
Nov 3, 2021

My primary use case is providing Catalyst switches for the edge and campus networking. You may have lots of IoT switches, like surveillance access points and you need to implement IPE switches that deliver the power and networking through the endpoint sensors. Most of these are considered access switches. We then implement the distribution layer that links all of the access switches and network traffic, then move to the course switches that handle all the packets and connect all the buildings to each other. After, the core is connected to the firewall, from Cisco as well, to get out of building to the internet. So the core portfolio comes from access to the core. I end with the firewall and the routers to the internet. Cisco's support is called SMARTnet, but we provide support to customers in case of any troubleshooting or if it's on-premises. We act as a mid-layer between the customer and Cisco. Most customers deploy it on-premises, but some prefer to build their own private cloud.

RK
Senior Engineer at a tech services company with 10,001+ employees
Real User
Top 5
2021-10-22T16:37:57Z
Oct 22, 2021

We primarily use the solution for our server. It's a network solution as well.

KR
Senior Executive at a leisure / travel company with 201-500 employees
Real User
Top 5Leaderboard
2021-10-21T15:48:12Z
Oct 21, 2021

We use Cisco Catalyst Switches for the office network.

LK
Network Operations Center Engineer at a tech company with 51-200 employees
Real User
Top 5Leaderboard
2021-10-18T13:53:56Z
Oct 18, 2021

This solution is used to strengthen our connections, connect to the network, as a router to multiple systems, network management, and monitoring.

Sopheak Mang - PeerSpot reviewer
Network Engineer at a security firm with 11-50 employees
Reseller
Top 10
2021-10-18T11:10:27Z
Oct 18, 2021

We use the solution both in my company and in those of my customers.

MB
Founder, Director at a tech services company with 1-10 employees
Real User
Top 5
2021-10-04T11:04:22Z
Oct 4, 2021

Office network

GG
IT Production Engineer at a consultancy with 201-500 employees
Real User
Top 5
2021-08-30T11:01:39Z
Aug 30, 2021

We use Cisco Catalyst Switches to connect devices to a network.

DR
Head Cyber Security at a retailer with 10,001+ employees
Real User
Top 5Leaderboard
2021-08-23T07:07:00Z
Aug 23, 2021

Cisco Catalyst Switches are pretty straightforward. They offer LAN and internal networking. They are for network segmentations and LAN and WAN perimeter networks.

RB
Software Engineer at a comms service provider with 51-200 employees
Real User
Top 5Leaderboard
2021-08-11T14:52:23Z
Aug 11, 2021

We primarily use the solution for both corporate and data centers.

RA
Network Administrator
Real User
Top 5
2021-08-07T09:11:45Z
Aug 7, 2021

We are using this solution as a network LAN switch in a financial company.

MA
Presales Consultant at a tech services company with 51-200 employees
Consultant
Top 20
2021-08-05T13:52:03Z
Aug 5, 2021

We use this solution for our network. I am a system engineer, and we sell the products to our customers.

AL
Infrastructure Manager at a non-profit with 51-200 employees
Real User
Top 5
2021-06-25T19:53:17Z
Jun 25, 2021

We use this solution as a networking switch for a data center.

Waqar Khan - PeerSpot reviewer
Branch Manager / Team Leader at Bank Al Habib Limited
Real User
Top 10
2021-06-10T20:37:33Z
Jun 10, 2021

We use this solution as a network switch in banking and financial environments.

Cliff Matonda - PeerSpot reviewer
System Administrator at Finlays
Real User
Top 5Leaderboard
2021-06-09T14:16:30Z
Jun 9, 2021

We are using 29 series. We have three switches that we use for common switches and routing. We also have a number of access switches that we interconnect to the devices in the network, such as telephone, CCTV. We have defined a number of VLANs that are running traffic between the switches, and we have done interconnections within the switches, cable, and fiber.

KW
Director of Product Management at a engineering company with 11-50 employees
Real User
Top 5
2021-06-03T20:38:28Z
Jun 3, 2021

I use this solution for AV, Audio-Video applications, over IP solutions. It's to forward Audio-Video IP packets based on the ITMP protocol. I also needed a POE port to power the transmitters and receivers.

DG
Consultant at a comms service provider with 501-1,000 employees
Consultant
Top 20
2021-05-18T12:27:13Z
May 18, 2021

We are implementors. We implement this solution for our customers as access switches. They connect the users to the network and identify them.

Aws Al-Dabbagh - PeerSpot reviewer
IT Manager at a tech vendor with 51-200 employees
Real User
Top 5
2021-04-26T19:18:59Z
Apr 26, 2021

We're using it as basic switches - mainly VLANs and SPB, The main focus is actually for just VLANs and VLAN switching, and that's it.

DM
facility manager
Real User
Top 5
2021-04-06T17:44:54Z
Apr 6, 2021

We primarily use the solution for the LAN and WAN.

BB
Managing Director at Aster Networks
Real User
Top 20
2021-04-05T10:12:00Z
Apr 5, 2021

We primarily use the solution for networking and the UCS.

Riasat Ali - PeerSpot reviewer
Group Head of IT at a maritime company with 501-1,000 employees
Real User
Top 5Leaderboard
2021-02-25T11:09:52Z
Feb 25, 2021

I'm the group head of IT and we are customers of Cisco.

TG
CEO at a construction company with 11-50 employees
Real User
Top 5
2021-02-15T17:20:13Z
Feb 15, 2021

We are a solution provider and Cisco switches are one of the products that we provide to our customers. It is primarily used for datacenter networking.

DP
Sr. Project Engineer at a manufacturing company with 10,001+ employees
Real User
Top 20
2021-02-09T18:36:02Z
Feb 9, 2021

We use this solution for LAN and WAN networking. We are system integrators, and we provide maintenance services for our clients.

LC
Head of Corporate Security at a financial services firm with 201-500 employees
Real User
2021-02-09T02:28:17Z
Feb 9, 2021

We use Cisco Catalyst Switches for the LAN connection.

PT
IT PM at a university with 1,001-5,000 employees
Real User
Top 5
2021-02-08T10:10:00Z
Feb 8, 2021

We use these switches outdoors.

MR
Junior Network Engineer at a tech services company with 11-50 employees
Real User
Top 5
2021-02-03T11:24:36Z
Feb 3, 2021

We have clients that have application servers and we offer our services to them. The switches are provided alongside Cisco Firewall and they also integrate into Cisco storage.

Wilber Calle - PeerSpot reviewer
Senior Project Manager at a tech services company with 51-200 employees
Real User
Top 10
2021-02-03T10:58:39Z
Feb 3, 2021

We primarily use the solution specifically for our internal network - for our users and some servers. We also have servers on the cloud as well, although largely we are on-premise.

Devanand PR - PeerSpot reviewer
IT Support Executive at a healthcare company with 51-200 employees
Real User
Top 5Leaderboard
2021-02-01T13:00:59Z
Feb 1, 2021

These switches were provided by our internet provider and they are used as part of our network infrastructure.

Hermann Medrano - PeerSpot reviewer
Telecommunications Engineer at Universidad
Real User
Top 5
2021-01-28T09:09:55Z
Jan 28, 2021

We are a solution provider and Cisco Catalyst Switches are one of the network products that we provide to our clients. Within the past year, we have implemented Catalyst 2960 switches and Cisco 1900 Series routers. I am implementing complex solutions with the Catalyst series that include the Spanning Tree Protocol. I build these solutions for educational institutions that are servicing professors and students, including wireless services.

VK
Network Engineer at a retailer with 10,001+ employees
Real User
Top 5
2021-01-23T11:40:09Z
Jan 23, 2021

We pretty much use the solution primarily for everything that connects to a network. For example, we use it for user work stations or some endpoint equipment.

NJ
Administrator at a university with 1,001-5,000 employees
Real User
Top 5Leaderboard
2021-01-11T14:24:24Z
Jan 11, 2021

I am a student as well as a researcher at a university. I use this solution for various simulations. I am using the latest version of this solution. We have 10 to 15 technical people in our team.

EG
Information Security Officer at a financial services firm with 501-1,000 employees
Real User
Top 5Leaderboard
2020-12-11T12:44:39Z
Dec 11, 2020

Cisco Catalyst Switches are more for core switching because they are enterprise solutions. We mostly use Cisco for all of our infrastructure, so these switches are used everywhere as core switches.

DH
Head of Project Management at a tech vendor with 1-10 employees
Reseller
2020-12-10T22:29:40Z
Dec 10, 2020

We're an implementor of the product. We provide this product to our clients.

TH
Product Manager at a tech services company with 1,001-5,000 employees
Reseller
Top 10
2020-12-07T14:47:31Z
Dec 7, 2020

Typically, the solution is used for a client's official network and several times as a replacement. A client may use it to replace the total network LAN switch.

IC
IT & Software Manager at a energy/utilities company with 51-200 employees
Real User
2020-11-21T06:45:11Z
Nov 21, 2020

I use Cisco Catalyst switches as part of the network infrastructure.

FB
Manager Customer Engineering South (Presales) at a comms service provider with 1,001-5,000 employees
Real User
2020-11-18T20:56:33Z
Nov 18, 2020

LAN access, distribution and core.

AI
Manager, Information Technology at a financial services firm with 201-500 employees
Real User
2020-11-16T17:28:49Z
Nov 16, 2020

We use it to connect our end users. It is used for DMZ connections behind the firewalls and campus network.

VK
CISO at a manufacturing company with 10,001+ employees
Real User
Top 5Leaderboard
2020-11-12T17:53:30Z
Nov 12, 2020

I use it for connectivity for my enterprise users. My entire platform is on Cisco, and we have different plans.

SZ
Information Technology & Audio Visual Engineer at a non-tech company with 10,001+ employees
Real User
2020-11-11T06:26:00Z
Nov 11, 2020

We deploy various Cisco solutions, such as Catalyst 3850 to 4500, 9000 Series, and Nexus lineup for data centers. We've got various clients, ranging from financial services to hotels and higher education facilities. There are many use cases, such as data centers, disaster recovery.

JohnVan Dijk - PeerSpot reviewer
Vice President, Technology, Research & Development at Thales
Real User
Top 10
2020-11-08T19:23:51Z
Nov 8, 2020

I am a solution architect and design authority. I define what we need and in which direction we are going to look. We then do some detailed investigation, get reports back, and make a decision. We are working on air traffic control systems. We use this solution for data centers and remote clients.

AA
Founder at a computer software company with 11-50 employees
Real User
Top 5
2020-10-30T19:12:22Z
Oct 30, 2020

We primarily use the solution as access switches they get connected to the end-users and access points and IB fronts.

Lange Wu - PeerSpot reviewer
Deputy Chief Engineer at SYSCOM COMPUTER ENGINEERING CO.
Real User
2020-10-27T13:19:57Z
Oct 27, 2020

The switches are for network infrastructure in an enterprise.

RK
System Administrator at a university with 5,001-10,000 employees
Real User
2020-07-27T07:17:41Z
Jul 27, 2020

Our installation is totally on-premises. It is a backend solution supporting the entire campus. This is used as a three-tier network for our overall networking. We use it as a call switch at the backend, it is also used in the distribution, and it is used on the server farm switches. We use them for these three different kinds of purposes in the data center at the same time. All these servers can function on the network through these switches.

GC
Science Technician at a government with 201-500 employees
Real User
Top 5Leaderboard
2020-07-16T06:21:00Z
Jul 16, 2020

We have an Academy, we know how to manage it. We have the knowledge to manage it and it gives us security. We can configure the switch to resolve our internal problems. We can use one switch for five to six years. It's used for our processor, a small data center, and we have our network with at least 500 users.

SW
System Administrator at a computer software company with 11-50 employees
Real User
2020-07-12T11:48:00Z
Jul 12, 2020

My primary use case of this solution is for connecting up drivers and desktops. I'm a system administrator and we're a customer of Cisco.

VA
Senior Network Engineer at High Frequency Trading
Real User
2020-06-28T08:51:00Z
Jun 28, 2020

We use this solution for LAN connectivity. We also use it for routing capabilities. It can become an L3 switch.

OSSENI Adé Adam - PeerSpot reviewer
Senior Network Engineer & Technical Instructor at Improtech
Real User
2020-06-15T07:34:05Z
Jun 15, 2020

We don't personally use the switches; we provide services to our clients, including implementing the switches for them.

MM
Network and Infrastructure Engineer at a tech vendor with 1-10 employees
Real User
2020-06-14T08:03:05Z
Jun 14, 2020

I am a network engineer and work primarily on Cisco products, including the Catalyst Switches.

AA
IT Manager at a non-tech company with 201-500 employees
Real User
2020-04-16T08:44:38Z
Apr 16, 2020

I design, implement, and troubleshoot networks that use Cisco switches. I am involved in every part of the design, including wireless.

WD
User at Thomson DeRienzo Engineering
User
2019-11-12T17:21:00Z
Nov 12, 2019

We use this solution for networks linking SMB Offices and remote access VPN.

Nelson Gonzalez - PeerSpot reviewer
Assistant Information Technology Director at City of Coral Gables
Real User
2019-10-28T13:50:00Z
Oct 28, 2019

This solution is capable of high-quality L2 & L3 switching at several different layers of our enterprise with a high rate of availability and reliability. It has excellent dynamic routing capabilities. We manage a large WAN environment that requires the use of OSPF. Cisco Catalyst Switches perform these two functions very well.

MH
Information Security Analyst at a financial services firm with 1,001-5,000 employees
Real User
2019-03-06T07:41:00Z
Mar 6, 2019

We use this solution for provisioning.

SR
Network Engineer at a tech services company with 501-1,000 employees
Real User
2019-02-12T10:09:00Z
Feb 12, 2019

Our primary use case is system integration on the client end. We propose this solution to our customers based on their individual capacities and requirements. We have also been using the basic functionalities of the tool internally, very basic not to any high-end degree.

Akshay Balaganur - PeerSpot reviewer
Founder and Lead Network Consultant at Airowire Networks
Consultant
2019-02-10T10:06:00Z
Feb 10, 2019

We use this solution for the campus network.

MB
Chief Deputy Quality Audit
Real User
2019-02-03T06:24:00Z
Feb 3, 2019

Our primary use case is for networking, both for the local network and our internet network.

ML
Network Engeneer at a retailer with 10,001+ employees
Real User
2019-02-03T06:24:00Z
Feb 3, 2019

We use it everywhere in our company. The switches are in our data center and our stores. It performs really well, it's stable. There are some software issues but it's generally good.

JJ
Network Engineer at a manufacturing company with 10,001+ employees
Real User
2019-02-03T06:24:00Z
Feb 3, 2019

Our primary use case of this solution is for routing, switching, and for interconnecting sites.

it_user408189 - PeerSpot reviewer
User at a financial services firm with 5,001-10,000 employees
Vendor
2018-08-29T09:31:00Z
Aug 29, 2018

We use Catalyst for campus switches.

Muklit Chopra - PeerSpot reviewer
Technical Specialist at Wipro Technologies
Consultant
2018-08-28T08:04:00Z
Aug 28, 2018

We use it for connecting the users on the network. The performance has been good.

LL
IT Consultant at L&M Alpha Solutions
Real User
2018-08-28T08:04:00Z
Aug 28, 2018

The use case is for user access. It's good, it's performing very well.

it_user583605 - PeerSpot reviewer
IT Admin at UT Austin Office of Technology Commercialization
Real User
2018-08-28T08:04:00Z
Aug 28, 2018

LAN switch for both core and access layers. It has performed very well in this area.

VP
Senior Manager at Artemis
MSP
2018-08-26T08:57:00Z
Aug 26, 2018

Generally, we are using Cisco Catalyst switches for the campus network. We are currently using the Cisco Catalyst 3800 Series switches with IOS XE, and we also recently onboarded the Catalyst 9300 Series and 9400 Series, mostly for the campus network. We also use the 3800 Series switch for wireless connectivity, which provides UPOE, supporting up to 60 watts for the PoE devices. Performance-wise, Catalysts are so good in the LAN infrastructure, especially for a campus network. But for a data center environment, we mostly prefer the Cisco Nexus series.

it_user617499 - PeerSpot reviewer
Senior Presales Engineer at a tech services company with 1,001-5,000 employees
Consultant
2018-08-26T08:57:00Z
Aug 26, 2018

We usually use it for connecting campus switches and to provide access switching to the customer, through which they connect their end-user or end devices like WiFi, CCTV, or IP phone.

SL
Project Manager at a tech services company with 5,001-10,000 employees
Real User
2018-08-23T08:15:00Z
Aug 23, 2018

We use it mainly for access, as an access switch to other PCs.

it_user683622 - PeerSpot reviewer
Presales Systems Engineer at a tech services company with 501-1,000 employees
Real User
2018-08-23T08:15:00Z
Aug 23, 2018

The use case will depend on the customer's requirements. Generally, if they want the access layer, the 2960 works pretty well. If they are in the SMB market, we go with the SZ series which is okay. If the primary use case is more on the PoE side, Catalyst switches give the most. And with respect to two-port, the 2960 is better.

Akshay Balaganur - PeerSpot reviewer
Founder and Lead Network Consultant at Airowire Networks
Consultant
2018-08-19T07:14:00Z
Aug 19, 2018

I was a Support Engineer with Cisco, I used to support customers who were using Cisco Catalyst features.

Al Faruq Ibna Nazim - PeerSpot reviewer
Head of Technology at Computer Services Ltd.
MSP
2018-08-19T07:14:00Z
Aug 19, 2018

The last Catalyst I used was for a core solution in an airport. That was a 3850. The previous use case was as the backbone of an ISP. We used different models of Cisco Catalyst including 3560s and 3700s.

Alberto E. Luna Rodriguez - PeerSpot reviewer
Network Security Coordinator at a energy/utilities company with 1,001-5,000 employees
Real User
2018-08-09T06:47:00Z
Aug 9, 2018

Access layer Switches. VLAN Segmentation, Inter-VLAN and LAN Routing. 802.1X network access device.

Shun Hiyama - PeerSpot reviewer
Network Engineer at NHN Techorus Corp
Real User
2018-08-07T13:21:00Z
Aug 7, 2018

AWS Direct Connect.

Mikhail Kozlov - PeerSpot reviewer
Lead Software QA / DevOps Engineer at a comms service provider
Real User
2018-08-02T11:48:00Z
Aug 2, 2018

LAN and WAN links in our offices and data centers.

JR
IT Infrastructure Administrator at Concepcion Business Services Inc
User
2018-06-08T00:56:00Z
Jun 8, 2018

Our primary use is LAN and WAN links for our enterprise network. Cisco Catalyst is used to connect all our WAN links to a central data center.

Related Questions
Hassan Shozeb - PeerSpot reviewer
SOAR Engineer at Rewterz
Sep 13, 2021
Hi community, I am using Cisco Catalyst 3560G which was not in use for a while.  When I start the switch, firstly it hangs during boot then I reset it multiple times and then the page (see below) appears on the console but I'm not able to run any command. Secondly, all ports are not responding: when I check them no ports or led up when I connect it.  What should I do? Does it is related to...
See 2 answers
Matthew Frick - PeerSpot reviewer
Owner/General Manager at Watco
Jul 2, 2021
It appears that you are in RONMON mode for that switch, which limits functionality and features. if powercycling the switch does not boot to the iOS then you will need to reload the iOS version onto the switch.
GP
Senior Network Analyst at a transportation company with 201-500 employees
Sep 13, 2021
In order to recover from rommon you will need to re-install an OS on the switch.  This is accomplished via a TFTP download. The commands can be found on the Cisco website. You will need to have a TFTP server running on a PC you connect to the switch. I recommend using Pumpkin from the Klever group. 
Hassan Shozeb - PeerSpot reviewer
SOAR Engineer at Rewterz
Sep 15, 2021
Hi community,Is it necessary to stack power cables while stacking switches in Cisco Catalyst 9300 into the HA mode (I am stacking using StackWise-480)?
2 out of 3 answers
Ender Kefoglu - PeerSpot reviewer
Partner / Owner at bimel
Jun 11, 2021
If you are asking if it is mandatory, no it is not.  If you are asking if it is a good idea, it depends on whether you are using PoE models, and whether you are using single or double power supplies on each switch in the stack.  If you are using single power supply for each switch, or double power supplies for some of the switches, the excess power (unused portion of the power) coming from all the switches in the stack may help in case of a failure of one of the power supplies (provided that excess power is enough to compansate for the failed power supply). If you are using double power supplies for each switch in the stack, and actually a single power supply for each switch is sufficient, then you already have redundancy for each switch, and you may not worry about stacking the power supplies.    If you are using PoE switches, and the power supply (power supplies) cannot quite deliver the power needed by all ports on the switch, the excess power coming from the other switches in the stack may help compansate that deficiency. 
SH
Design Architect at Vodafone
Jun 18, 2021
You can do it, but you don't have to.  We have noticed that the power stacking cables are pretty unwieldy - but the basic idea is to allow for power resilience without needing dual power supplies in every switch chassis. if you do stack power then you need to deal with the power budgets across each stack.  You also need to think about what happens if you lose a power strip in a rack, so several PSUs go offline at the same time.....
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