Welcome to my technology blog. In this section, I share my hands-on experience and technical guides on building secure network architectures and automating complex infrastructures.
Is 802.1X just a protocol or an identity architecture? Explore our latest guide on AD, PKI, and NAC field deployments.
Nexus Software Upgrade Guide This guide covers the Cisco Nexus NX-OS software upgrade process in a practical, step-by-step manner, including rollback and recovery scenarios. The goal is to minimize service disruption and ensure the device can always be recovered in case of failure. 1. Pre-Upgrade Checks Before starting the software upgrade, you must complete the preparation steps below. Most upgrade failures are caused by skipping or underestimating this phase. Configuration Backup Always take a full configuration backup before upgrading. Store the backup outside the device (local PC, FTP/SFTP server, etc.). This backup is critical if a rollback or manual recovery is required. Switch Model and Current Software Version Verify the switch model and the currently running NX-OS version using the following commands: ...