How do you troubleshoot network connection problems?
How to Troubleshoot a NetworkCheck the hardware.
When you’re beginning the troubleshooting process, check all your hardware to make sure it’s connected properly, turned on, and working.
Use ping and tracert.
Perform a DNS check.
Contact the ISP.
Check on virus and malware protection.
Review database logs..
How do I troubleshoot port forwarding?
How To Troubleshoot Port Forwarding IssuesVerify the router’s WAN has a public IP address. … Verify that you have the correct TCP/IP information on the client. … Verify that the appropriate ports are open on the client. … Verify that the remote connection is reaching the WAN of the Cradlepoint.
How do I troubleshoot a firewall problem?
Use the following steps to identify and solve firewall problems:1) Ping a PC near the device. … 2) Ping the device. … 3) Telnet and/or browse to the device. … 4) Confirm the port configuration of the device. … 5) Confirm that important IP addresses are not blocked. … 6) Trace the route to the device.
Why are my ports not opening?
In some situations, it may be a firewall on your computer or router that is blocking access. Try temporarily disabling your firewall to make sure this is not the cause of your problems. To use port forwarding, first determine the local IP address of the computer. Open your router configuration.
What are the steps in troubleshooting?
The six steps of troubleshooting.Identify the problem. … Establish a theory of probable cause. … Test probable cause theory to determine actual cause. … Establish an action plan and execute the plan. … Verify full system functionality. … Document the process.
How do you troubleshoot a server issue?
Troubleshooting Server Down IssuesAnalyze Your Network Infrastructure. You will have a better chance at troubleshooting network problems if you first figure out where everything is connected in the infrastructure. … Study Your Network. … Connection is Down. … No IP Address. … No DNS Servers. … No Default Gateway. … Misconfigured IP Subnet Mask.