The Cisco 8540 Wireless Controller is a highly scalable, service-rich, resilient, and flexible platform. It provides centralized control, management, and troubleshooting for high-scale deployments in service provide, enterprise, and large campus deployments.
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Extreme Wireless Access Points
Score 9.1 out of 10
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Extreme Networks' Wireless Access Points (or ExtremeWireless) are designed to provide performance in the most demanding environments with the latest Wi-Fi technologies including 6 GHz, OFDMA, MU-MIMO, and software-defined dual 6 GHz radios.
[Cisco 8540 Wireless Controller's] software quality has been shed in recent years. The only problem I have with it is its inability to work with older Cisco Access Points. However, that's to be expected for any deployment. While the controller's UI works well, some areas could be improved. API integrations lack flexibility. [I feel] it's time for policy redesign. It can be a little difficult to determine coding quality.
The Extreme access point solution has been used in the cooperative scenario with VLANs for employees in access through 802.1x authentication and also for guests through the captive portal that allows access of people for a limited time and prior registration. The equipment has great performance and connection speed and supports a high density of users connected at the same time without lag and crashes. The management of this equipment is being carried out through software with cloud management and is accessed by our infrastructure team to configure and monitor alerts.
The GUI on the Cisco 8540 WLC is much better designed than other Cisco products. Its easy to navigate between the different settings to find what is needed.
The AP groups allows touching multiple APs at one time.
It also allows us to create standard SSIDs that can be used at all sites that connect back to it, this saves a lot of time instead of hitting each site with a local controller.
Ease of use and Management. The process of implementing APs is straight forward and managing the wireless infrastructure is quite simple and efficient.
Coverage: we are very happy with the distance each AP coverages in our warehouses without having any drop issues or over implementing APs.
Cost competitive versus other cloud managed wi-fi solutions such as Cisco, Aruba or Mist.
Code quality is a bit hit and miss. This will be great for a while, then things will be bad for a while, then we'll do it again. The UI of the controller works, but could do with a refresh, and I would like to see some improvement on layout and organization.
The constant code/firmware upgrades and the QA of new code could be better.
Maybe the compatibility with old Cisco Access Points could be improved, but it's normal in all kinds of deployments.
In my experience, licensing has become a nightmare. Licensing must be tied to a device, they also won't let you activate used units from other companies if they are donated or purchased third-party.
Customer service is outsourced overseas.
In my experience, technicians are incentivized to close tickets quickly - whether the issue has been fixed or not - which can be frustrating to work with.
Very feature rich, easy enough for beginners to understand layout and initial setup. Need a good training (online, Cisco Leaning Network, etc.) to fully understand all features and product capabilities. Strict power requirements for APs are only major drawback for our specific implementation.
Extreme Wireless Access Points are easy to manage. They are easy to deploy and install. The hardware and firmware are reliable. There a number of things to be improved since we are still using the WiNG platform, but all of those things will be much better when we migrate to CloudIQ.
Extreme Wireless Access Points can support all our devices, even in high capacity areas. They are easy to manage and get basic information. There was a time back around 2017-2018 where people's devices needed to make sure they were using the latest wireless drivers; otherwise, people were having connection issues. Other than that time period, we were able to have fewer complaints from end users.
Support was always responsive and willing to help, but at times did not know when to call it and send a replacement to stop the bleeding. I respect that fact that they wanted to get the solution working, and the wanting to learn more and understand, but at times you cant do that at the expense of the customer.
We have [done] some work before with the Cisco 3504 product, but the more recent Cisco 8540 Wireless Controller provides a wider range of capabilities for managing the wireless network and each individual device [and] also being able to handle more users. Unfortunately, we didn't test and deploy equivalent products from other concurrent companies.
I've used both Aruba and Cisco (traditional, not Meraki) for wireless, and each have their own strengths. Aruba offers a lot of feature functionality, though the interface is difficult and confusing to use (this was ~4 years ago). Cisco wireless is fairly straightforward to set up and expand, though features are more limited. Aerohive's benefit is the easy+speed of deployment. I've also used the Citrix NetScaler SSL VPN soft client and that works fairly well, though it doesn't compare like-for-like due to the fact that it's software vs. Aerohive, which is hardware.
The Cisco 8540 Wireless Controller allows you to reduce your hardware footprint of wireless controllers deployed in your environment. Instead of having a controller per site deployed, you can have a couple of 8540 controllers in your data center that can handle up 6000 Access Points.
Some of the savings on hardware cost is offset by the cost of redundant WAN circuits. The access points will continue to function when connectivity to the Cisco 8540 Wireless Controller is unreachable, but it will not allow any new connections in that wireless environment.
Linking APs to AD, via NPS, and gaining the password reset policy; helped us move past some issues that we were held up on with SOC
Segregating corporate wifi and guest wifi, plus forcing guest wifi to agree to the Acceptable Use Policy, was needed to pass a compliance audit of the network.
Being able to locate which users are connected to which individual wifi AP, has been a asset with troubleshooting
APs sharing connections allows for us to overlap the wifi zones and create redundancy if an AP were to go offline for any reason.
