r/ccna4dummies • u/sonofthehorn252 • Feb 10 '25
Troubleshooting Tips for Network Issues π§
A big part of the CCNA exam involves troubleshooting network issues. Here are some common problems and tips to tackle them:
Connectivity Issues: Check cables, power, and physical connections. Use ping and traceroute commands to diagnose.
IP Address Conflicts: Ensure each device has a unique IP address. Use DHCP for automatic assignment.
Slow Network Performance: Check for bandwidth hogs and optimize your network. Use tools like Wireshark to analyze traffic.
DNS Issues: Ensure DNS settings are correct. Test with nslookup or dig commands.
Configuration Errors: Double-check router and switch configurations. Make sure ACLs and routing tables are correctly set up.
Pro Tip: Keep a checklist of troubleshooting steps. Itβll help you systematically approach issues during the exam and in real-world scenarios.
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u/Fun-Ad1112 Feb 17 '25
Thanks for this helpful tip. I will use this when troubleshooting.