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SMPS Power plant for Telecom Installations: Power supply system is the heart of telecom systems & electronic equipments. For a reliable installation of telecom assets, reliable power supply system is most important. In AC electrified area, the main power is derived from the traction supply. This supply is very reliable but its occasional interruption/ low …
Commands for troubleshooting SFP optical levels OTDR test:To troubleshoot a link flapping port that has been err-disabled, use these diagnostic tools to isolate whether the fault lies in the fiber optics or the copper cabling. Fiber Troubleshooting: SFP Optical Levels Use Digital Optical Monitoring (DOM) to check the “light levels” of your fiber transceivers. This identifies if …
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link flap cisco switch port error disabled: A Cisco switch port enters err-disabled state due to link flapping when the interface toggles up/down rapidly (typically 3+ times within 10 seconds), often caused by faulty cables, SFP modules, or speed/duplex mismatches. link flap cisco switch port error disabled To resolve, inspect physical Layer 1 components, swap …
Sibling Issue in Cisco Switch: Based on Cisco documentation, the error message %SYS-4-CHUNKSIBLINGSEXCEED: Number of siblings in a chunk has gone above the threshold refers to a scenario where a memory chunk (part of the IOS memory management system) has too many sub-blocks (“siblings”) allocated. Sibling Issue in Cisco Switch This is usually a memory …
Native VLAN Mismatch Smart port enabled in Cisco switches CBS 350: Smartport is a Cisco feature that automatically applies a set of preconfigured commands (called macros) to a switch port when it detects a specific type of device, such as an IP phone, printer, or wireless access point. How it Works smartport in CBS 350 …
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password complexity disable cisco CBS 350: In newer firmware for the Cisco CBS350 (specifically version 3.2.0.84 and later), Cisco introduced “Mandatory Password Rules” that cannot be disabled via the Web GUI or the CLI to improve device security. Why password complexity disable cisco CBS 350 is “Locked” Firmware Updates: Version 3.2.0.84 updated the security posture. …
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VPN not working on mobile data: If your VPN works on Wi-Fi but fails on mobile data, it is usually due to carrier protocol restrictions or a mismatch between the phone’s networking (IPv6) and the VPN’s server (IPv4). How to solve VPN not working on mobile data Fix the APN (Access Point Name) Protocol Many …
Restore deleted files: The deleted data can be recovered by using a command winfr (Windows File Recovery). How to restore deleted files from PC Firstly, open Command Prompt as an administrator is to press Win + R, type cmd, then press Ctrl + Shift + Enter; alternatively, search for “cmd” in the Start Menu and press Ctrl …
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CYBERSECURITY TOOLS FOR SECURITY PROFESSIONALS: Cybersecurity professionals rely on specialized tools to safeguard digital infrastructures, identify vulnerabilities, and mitigate risks. These tools enable proactive defense mechanisms, ensuring the security of sensitive data and critical systems. Cyber Security Tools for Security Professionals This article provides an in-depth exploration of selected cybersecurity tools, categorized based on their …
.MSI and .EXE Files Difference: To install a Windows program, we often have to deal with MSI and EXE files. However, there’s a difference between them. The difference between a .MSI and a .EXE installer boils down to standardization and control. An MSI file is a structured installation database designed specifically for Windows, leveraging the …
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