network monitoring – Sys Articles

How do I troubleshoot network segmentation issues?

Posted on 2025-05-29Posted in DataCenterTagged ArtOfTroubleshooting, IT infrastructure, network monitoring, network segmentation, sysarticles, VLAN configurationNo Comments

Troubleshooting network segmentation issues requires a structured approach. Follow these steps to identify and resolve the problem. Step 1: Define the Problem Symptoms: Identify what isn’t working—are certain devices or servers unable to communicate? Are specific VLANs or subnets isolated or misbehaving? Scope: Determine the extent of the issue—does it affect one segment, multiple segments, […]

Securing enterprise wireless networks: practical hardening steps

Posted on 2025-03-31Posted in OthersTagged enterprise IT security, network monitoring, RADIUS authentication, sysarticles, wireless network security, WPA3-EnterpriseNo Comments

Enterprise wireless security comes down to encryption, authentication, segmentation, and continuous verification. Below are the hardening steps that actually move the needle. 1. Require WPA3-Enterprise Deploy WPA3-Enterprise (SAE or 192-bit mode where hardware supports it). Disable WEP, WPA-TKIP, and WPA2-Personal. If legacy clients force WPA2-Enterprise, enforce AES-CCMP only and plan migration. 2. Enforce 802.1X with […]