Command Prompt: Network Commands🛜
🌐 Command Prompt Commands Every IT Professional Should Know
✨ Part 2: Network Troubleshooting ✨
When a user says:
💬 “The internet isn’t working.”
💬 “I can’t connect.”
💬 “The website won’t load.”
These are some of the first commands many technicians reach for.
📡 PING
Tests basic connectivity between your device and another device.
🛣️ TRACERT
Shows the path your data takes across the network and helps identify where a connection is failing.
🔍 NSLOOKUP
Checks DNS and helps translate domain names into IP addresses.
The goal isn’t to memorize commands.
The goal is to understand what question each command is helping you answer.
💙 Can my computer reach the destination?
➡️ PING
💙 Where is the connection failing?
➡️ TRACERT
💙 Is DNS working correctly?
➡️ NSLOOKUP
Remember:
✨ Great technicians don’t guess.
✨ They gather information.
✨ Then they troubleshoot.
Which of these commands do you use the most? 👇
From my experience working in IT support, these network commands are indispensable tools for quickly identifying and resolving connectivity problems. PING is my go-to command to check if a device or website is reachable. For example, when a user can't access a website, I immediately ping the domain to see if the server responds and measure packet loss or latency issues. The ping output showing response times and lost packets provides critical clues about network health. TRACERT is especially useful when ping confirms the destination is unreachable or slow. It reveals each hop along the path to the target, allowing me to isolate where delays or failures occur—whether in the local network, ISP, or further along the route. This helps in communicating with different stakeholders like ISPs or data center teams. NSLOOKUP helps me verify if DNS resolution is functioning properly, which is often an overlooked cause of connectivity problems. When users report that websites won’t load but pinging the IP address works, checking DNS can confirm whether domain name translation is failing. An important lesson I’ve learned is to run these commands as Administrator in Command Prompt, which ensures comprehensive output and fewer permission issues. Also, documenting the results of each command during troubleshooting builds a record that speeds up recurring problem diagnosis. Practicing these commands in real scenarios builds confidence and shifts troubleshooting from guessing to data-driven diagnosis. The trick is not just memorizing commands but understanding what network question each command answers. That approach makes a technician not just effective but proactive at resolving issues before they escalate.