Articles by tag "IOS XE"

1. Cisco 9500 Password Recovery Guide
   Selene Gong

   31
   Losing access to a Cisco Catalyst 9500 switch can be stressful, particularly when it serves a critical role in core or aggregation networks. The good news is that IOS XE provides a reliable method to recover your password without wiping your configuration. This guide walks you through practical ...
2. Cisco ISR 4000 Factory Reset Guide: When to Reset, What You’ll Lose, and Whether to Keep or Replace Your Router
   Selene Gong

   37
   Factory resetting a Cisco ISR 4000 router is rarely a routine maintenance task. In real enterprise environments, it usually happens under pressure—lost credentials, inherited hardware with unknown history, unstable deployments, or security concerns. This guide goes beyond basic commands. It ...
3. Cisco ROMMON Recovery Guide for Catalyst Switches and Routers
   Selene Gong

   36
   When a Cisco device fails to boot into its operating system (IOS or IOS XE), it enters a low-level diagnostic state known as ROM Monitor (ROMMON) mode. This emergency access point is crucial for performing Cisco ROMMON recovery, retrieving corrupted firmware, or resetting lost passwords. This ...
4. Aruba CX 6200 vs Cisco 9200 — Migration Risks, Compatibility & Deployment Guide
   Selene Gong

   36
   Migrating enterprise networks is much like switching from iOS to Android: the basic functions remain the same—phones can call and text, switches still forward packets—but the interactions, configurations, and underlying architecture are completely different. For IT teams planning to move ...
5. The Ultimate Guide to Automating Cisco Switch Configuration Backups
   Selene Gong

   36
   Backing up Cisco switch configurations is more than just a routine task—it is a critical component of network reliability. Manual backups can be error-prone, especially when managing multiple switches across enterprise networks. Automation ensures consistent, accurate, and auditable backups, ...
6. Should You Still Buy Cisco Catalyst 2960X, 9200, or 9300?
   Selene Gong

   42
   Deciding which Cisco Catalyst access switch to deploy can be challenging, especially as older models reach End-of-Life (EOL) while newer options offer expanded features. This guide compares the 2960X, 9200, and 9300 series, helping network engineers, IT administrators, and enterprise buyers make ...
7. Cisco 9300 PoE Issues: Troubleshooting, Root Causes, and When to Reassess
   Selene Gong

   34
   Intermittent PoE problems on the Cisco Catalyst 9300 are rarely caused by a single misconfiguration. In most production environments, these issues sit at the intersection of power subsystem behavior, IOS XE PoE control logic, and sustained high-draw endpoints such as Wi-Fi 6/6E access points and ...
8. Cisco EtherChannel Configuration on Catalyst 9000 Series Switches
   leo peng

   38
   EtherChannel is a core link aggregation technology widely used on Cisco switches to increase bandwidth and provide link-level redundancy. On Cisco Catalyst 9000 series switches—including the 9200, 9300, and 9500—it is commonly deployed between access and distribution layers, as well as for ...
9. Juniper EX4300 vs. Cisco Catalyst 9300: Performance and Feature Shootout
   Selene Gong

   37
   When designing or upgrading enterprise access and aggregation layers, selecting the right switch is a critical long-term decision. Modern networks must support high-bandwidth applications, dense Wi-Fi deployments, and growing IoT traffic while maintaining reliability, scalability, and ...