About Ahmed Bayoumi

Ahmed Bayoumi · 02-22-2026

Before diving into the content of this article, it's important to understand the following terminologies and abbreviations:RADIUS (Remote Authentication Dial-In User Service): A protocol used to provide centralized Authentication, Authorization, and ...

Ahmed Bayoumi · 07-09-2026

As far as I know, Cisco ISE does not natively retrieve or synchronize groups that are created directly in Cisco Duo for use in authorization policies.Although the Duo Admin API allows you to retrieve native Duo groups (for example, using the GET /adm...

Ahmed Bayoumi · 06-10-2026

Yes. What you are seeing is actually consistent with how Cisco ISE handles Admin certificate replacement in a distributed deployment, and unfortunately Cisco does not provide a dedicated "bulk import multi-SAN Admin certificate across all nodes" work...

Ahmed Bayoumi · 03-15-2026

For a seamless login experience with 802.1X on wired networks, EAP-TLS is typically the recommended method. It allows the endpoint to authenticate using a certificate instead of prompting the user to manually enter credentials.With password-based met...

Ahmed Bayoumi · 03-15-2026

Yes — the private key file contains the private key associated with the certificate, and Cisco ISE requires it to perform TLS operations such as HTTPS services and EAP-TLS authentication.In Cisco ISE, when a certificate is imported with its private k...

Ahmed Bayoumi · 03-04-2026

The difference between CONFIG and manual in the show ip command is related to how the interface IP address was configured.CONFIG → The interface is configured and managed through FMC deployment.manual → The interface IP was configured locally via the...

Member Since	‎02-09-2026 12:23 AM
Date Last Visited	‎07-08-2026 04:09 AM
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