Fabio Semperboni

An overview to Cisco DUO

On October 1, 2018, Cisco announced the completion of its acquisition of Duo Security, a privately-held, unified access security and multi-factor authentication...

12 high-severity bugs in ASA and Firepower

Few days ago, Cisco Psirt published twelve Cisco ASA and FTD vulnerabilities with "high" score. Eight of them can cause denial of...

Cisco FMC user control with ISE-PIC

In the article "How to configure PassiveID in Cisco ISE", I explained how PassiveID gathers information from the Microsoft Active Directory environment...

802.1X Deployment Guide: Global configuration

In the previous article, I illustrated what are the dot1x and the benefits related to it. Just to remember that 802.1X authentication...

An overview to Cisco ISE-PIC

The Cisco ISE Passive Identity Connector aka Cisco ISE-PIC is a software designed to gather authentication data (user-ip mapping) from numerous sources...

How to configure PassiveID in Cisco ISE

Starting from ISE 2.2, PassiveID is a feature to gather user-to-IP mapping information with or without having 802.1X deployed.

802.1x: Introduction and general principles

IEEE 802.1X is an IEEE Standard for port-based Network Access Control to prevent unauthorized devices from gaining access to the network. It...

How to set up raid on Cisco ISE appliance

Recently, I have installed an ISE 2.6 cluster based by two SNS3615 appliances. After some months, the customer asked me to redundant...

BGP route leak sends European traffic via China

On Thursday June 6, 2019, traffic destined to some of Europe's biggest mobile providers was misdirected in a roundabout path through the...

StackWise Virtual on Catalyst 9500

During the Cisco Live 2016 in Las Vegas, Cisco presented the new feature named "StackWise virtual" supported by the IOS XE Denali...