Introduction In modern enterprise networks, security no longer ends at the perimeter. As organizations adopt cloud-based NAC, BYOD, and multi-vendor wireless solutions, a challenge arises: how do you centralize authentication, authorization, and auditing without duplicating identity stores or exposing internal RADIUS infrastructure directly to the […]
Introduction In today’s enterprise world, the identity perimeter is no longer limited to Active Directory or on-prem LDAP directories. Organizations are adopting cloud-first strategies, and identity management is increasingly shifting to modern Identity Providers (IdPs) like Okta. Cisco ISE, being the policy brain of the […]
Introduction Integrating Cisco Identity Services Engine (ISE) with Microsoft Entra ID (formerly Azure AD) brings your network access control into the cloud identity era. Instead of relying only on on-prem AD or local accounts, you can: This Article goes beyond overview — you’ll build the […]
Introduction Picture this classroom demo: A user walks into the office, opens Wi-Fi settings, selects Corporate-BYOD, and — without IT touching the laptop — receives an identity certificate, configures the OS supplicant, and gets 802.1X/EAP-TLS access to the corporate network. No passwords, no wasteful help-desk […]
Introduction In the modern enterprise, visibility is not a “nice-to-have” — it’s the first line of defense. You can’t secure what you don’t know exists.Cisco ISE’s Context Visibility Dashboard is your single pane of glass that consolidates endpoint identity, posture, profiling, authentication events, user sessions, […]
![[Day 70] Cisco ISE Mastery Training: Wireless NAC End-to-End Lab Validation](https://networkjourney.com/wp-content/uploads/2025/08/Day-70-Cisco-ISE-Mastery-Training-Wireless-NAC-End-to-End-Lab-Validation.png)
Introduction Wireless NAC (Network Access Control) is one of the most critical security use-cases in enterprise networks. While wired NAC ensures endpoints connected via switches are authenticated and authorized, wireless NAC validation ensures every mobile, IoT, and BYOD device connecting through Wi-Fi is properly authenticated […]
![[Day 55] Cisco ISE Mastery Training: EAP-TLS Wireless Certificate Authentication](https://networkjourney.com/wp-content/uploads/2025/08/Day-55-–-Cisco-ISE-Mastery-Training-EAP‑TLS-Wireless-Certificate-Authentication.png)
Introduction In today’s enterprise networks, passwords are the weakest link. They get reused, stolen, phished, and brute-forced — and once they’re compromised, your wireless network is wide open. Even with strong 802.1X + EAP-PEAP deployments, a single credential leak can let an attacker in from […]
![[Day 42] Cisco ISE Mastery Training: Integrating Cisco WLC for Wireless Access Control](https://networkjourney.com/wp-content/uploads/2025/08/Day-42-Cisco-ISE-Mastery-Training-Integrating-Cisco-WLC-for-Wireless-Access-Control.png)
Introduction Wireless networks are the lifeline of modern enterprises — but also a massive attack surface. Without centralized authentication and policy enforcement, wireless SSIDs become easy entry points for unauthorized users, rogue devices, and security breaches. Cisco Identity Services Engine (ISE) brings RADIUS-based 802.1X/WPA2-Enterprise authentication […]
![[Day 37] Cisco ISE Mastery Training: Wired Redirection for Non‑Compliant Devices](https://networkjourney.com/wp-content/uploads/2025/08/Day-37-Cisco-ISE-Mastery-Training-Wired-Redirection-for-Non‑Compliant-Devices.png)
Introduction In the modern enterprise, it’s not enough to just authenticate a device — we must continuously ensure it complies with corporate policies. Cisco ISE’s Wired Redirection for Non-Compliant Devices enables you to catch endpoints that fail posture checks and redirect them to a remediation […]
Introduction In modern enterprise environments, a single Ethernet port often serves two devices simultaneously: Multi-Domain Authentication (MDA) enables these two devices to authenticate independently using 802.1X or MAB, ensuring role-based access control while maintaining proper VLAN segmentation. Without MDA, your security posture weakens — either […]
