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ethtool

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Raymond Ops
Raymond Ops
May 19, 2025 · Operations

Master Network Connectivity Checks: From ethtool to nmap

This guide explains how to verify physical links, test ping latency, trace routes, check HTTP/HTTPS availability with wget and curl, assess TCP/UDP ports using netcat, telnet, and nmap, inspect local connections via netstat/ss, understand TCP states, and validate DNS resolution, providing practical command examples for each step.

LinuxNetwork Troubleshootingconnectivity tools
0 likes · 12 min read
Master Network Connectivity Checks: From ethtool to nmap
IT Services Circle
IT Services Circle
Aug 4, 2022 · Fundamentals

Why TCP Does Not Guarantee No Packet Loss: Detailed Walkthrough of Data Packet Transmission and Common Loss Scenarios

This article explains how TCP packets travel from user space to the destination, highlights typical points where packet loss can occur—including connection establishment, flow‑control queues, NIC buffers, and end‑to‑end network hops—and shows how to diagnose and mitigate these issues using Linux tools.

LinuxNetworkingSocket
0 likes · 17 min read
Why TCP Does Not Guarantee No Packet Loss: Detailed Walkthrough of Data Packet Transmission and Common Loss Scenarios
Efficient Ops
Efficient Ops
Apr 12, 2021 · Operations

Mastering Network Packet Loss: Diagnosis and Solutions for Linux Servers

This guide explains the fundamentals of network packet loss, illustrates how packets are sent and received, and provides step‑by‑step troubleshooting methods for hardware NIC, driver, kernel stack, TCP/UDP, and application‑level issues on Linux systems, complete with command examples and visual diagrams.

LinuxTCPTroubleshooting
0 likes · 34 min read
Mastering Network Packet Loss: Diagnosis and Solutions for Linux Servers
Refining Core Development Skills
Refining Core Development Skills
Oct 19, 2020 · Operations

Linux Network Packet Monitoring and Tuning: Tools, RingBuffer, Interrupts, and SoftIRQ Optimization

This article explains how to monitor and tune Linux network packet reception using tools such as ethtool, ifconfig, and procfs, covering RingBuffer inspection, hardware and soft interrupt analysis, multi‑queue configuration, interrupt coalescing, and GRO settings to improve throughput and reduce packet loss.

KernelLinuxethtool
0 likes · 17 min read
Linux Network Packet Monitoring and Tuning: Tools, RingBuffer, Interrupts, and SoftIRQ Optimization
Efficient Ops
Efficient Ops
Oct 14, 2018 · Operations

How to Diagnose and Fix UDP Packet Loss on Linux Servers

Learn step-by-step how to verify UDP packet loss on Linux, interpret driver and kernel statistics, adjust ring buffers and socket buffers, and use tools like ethtool, netstat, dropwatch, and perf to pinpoint and resolve network drops caused by hardware, configuration, or system load.

LinuxNetwork TroubleshootingUDP
0 likes · 13 min read
How to Diagnose and Fix UDP Packet Loss on Linux Servers