Introduction In modern enterprises, guest Wi-Fi access is no longer just a convenience — it’s an expectation. Whether it’s vendors, customers, contractors, or interview candidates, visitors expect to connect instantly and securely. But here’s the challenge: Cisco ISE’s Wireless Guest Access Flow solves this with […]
![[Day 44] Cisco ISE Mastery Training: WPA2-Enterprise Configuration](https://networkjourney.com/wp-content/uploads/2025/08/Day-44-Cisco-ISE-Mastery-Training-WPA2-Enterprise-Configuration.png)
Introduction WPA2-Enterprise is the gold standard for securing enterprise Wi-Fi networks. Unlike WPA2-PSK (which uses a single shared key), WPA2-Enterprise leverages 802.1X authentication with a RADIUS server to provide per-user authentication, dynamic encryption keys, and granular network access control. In Cisco ISE, WPA2-Enterprise forms the […]
![[Day 43] Cisco ISE Mastery Training: Wireless MAB Authentication](https://networkjourney.com/wp-content/uploads/2025/08/Day-43-Cisco-ISE-Mastery-Training-Wireless-MAB-Authentication.png)
Introduction Wireless MAC Authentication Bypass (MAB) is one of the foundational network access control mechanisms in Cisco Identity Services Engine (ISE) — particularly critical in environments where certain wireless devices cannot perform 802.1X authentication (e.g., IoT sensors, IP phones, barcode scanners, printers). Unlike 802.1X, which […]
Introduction In modern BYOD environments, Android devices represent a significant share of the wireless client base — from personal smartphones to ruggedized enterprise tablets. Unlike iOS, Android devices vary widely by manufacturer and OS version, which means onboarding is not “one-size-fits-all.”Cisco ISE’s BYOD onboarding for […]
Introduction In today’s hybrid workspace, BYOD (Bring Your Own Device) is no longer optional — employees, contractors, and guests all bring their own laptops to connect to corporate resources. Over wired connections, onboarding BYOD devices is trickier than wireless because physical switch ports require 802.1X/MAB […]
Introduction – The Power of Downloadable ACLs in Cisco ISE In modern enterprise networks, security is no longer about simply deciding who gets access — it’s also about controlling what they can do after they get access. This is where Downloadable ACLs (DACLs) in Cisco […]
![[Day 16] Cisco ISE Mastery Training: Understanding 802.1X Authentication Flow](https://networkjourney.com/wp-content/uploads/2025/08/Day-16-–-Cisco-ISE-Mastery-Training-Understanding-802.1X-Authentication-Flow.png)
Introduction 802.1X is the foundation of secure wired and wireless network access control in enterprise networks.With Cisco ISE, 802.1X authentication ensures that only authorized devices and users can connect to the corporate network — reducing the risk of data breaches and preventing rogue devices from […]
Introduction TACACS+ (Terminal Access Controller Access Control System Plus) is the go-to protocol for device administration control in enterprise networks. Unlike RADIUS, which is primarily for network access (wired/wireless), TACACS+ is designed for controlling administrative access to routers, switches, firewalls, and other network gear. In […]
