tcp-ip

Diagnose TCP/IP connectivity, port accessibility, and packet issues using command-line utilities.

50|13|Updated Jan 19, 2026
One-click install
npx skills add https://github.com/chaterm/terminal-skills --skill tcp-ip
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: tcp-ip
Source: https://github.com/chaterm/terminal-skills/tree/main/network/tcp-ip
Command: npx skills add https://github.com/chaterm/terminal-skills --skill tcp-ip

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps users diagnose and troubleshoot common network connectivity and performance issues related to the TCP/IP protocol stack.

Core Features & Use Cases

  • Connectivity Testing: Perform ping, traceroute, and port checks to verify network reachability.
  • Network Configuration Inspection: View and understand local network interfaces, routing tables, and ARP caches.
  • Port and Connection Analysis: Identify listening services, active connections, and analyze port usage.
  • Packet Capture: Capture and analyze network traffic for in-depth troubleshooting.
  • Use Case: When a web server is unreachable, use this Skill to systematically check ping, traceroute, DNS resolution, and port availability to pinpoint the failure point.

Quick Start

Use the tcp-ip skill to check connectivity to example.com on port 80.

Frequently Asked Questions about tcp-ip

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I troubleshoot TCP/IP network connectivity issues to an unreachable server?

To troubleshoot TCP/IP network connectivity to an unreachable server, systematically perform ping, traceroute, DNS resolution, and port availability checks to pinpoint the exact failure point across the network path.

What is the best way to analyze network traffic and inspect packets for diagnosis?

Analyzing network traffic for diagnosis involves using packet capture utilities to capture and inspect packets in-depth, allowing you to identify listening services, active connections, and performance bottlenecks.

Can I check if a specific network port is accessible and listening using command-line utilities?

Yes, you can check network port accessibility and identify listening services by running standard command-line port checking utilities to verify active connections and analyze port usage for TCP/IP diagnostics.

How do I inspect local network interfaces, routing tables, and ARP caches for performance tuning?

To tune network performance, inspect local network interfaces, routing tables, and ARP caches to view and understand configuration details, which helps identify misconfigurations across various operating systems.

Does TCP/IP network diagnosis work across different operating systems for server administration?

Yes, TCP/IP network diagnosis works across various operating systems for server administration by using standard command-line utilities to perform network health checks, latency measurement, and traffic inspection.