Essential Network Tools to Trouble Shoot Network Problems
Networking tools is an essential part of networking for an administrator to perform the task properly. There are lots of commands you can use to troubleshoot a network. This topic is about to consider the network troubleshooting commands.
Ipconfig is the command used to fetch all the TCP/IP settings. This command helps us to know about the basic settings of the network regarding IP addresses, Your router’s IP address. DNS Server IP address, DHCP Server address etc. So starting with IP configuration type the command ipconfig and press enter in the command prompt.
Ethernet adapter Local Area Connection: it usually displays your network IP. This represents the connection you have plugged in the computer network card through the RJ45 network cable. Default Gateway represents your router.
Fetching the basic detailed information type the command ipconfig/all and press enter to get in-depth information. For move further type cls and press enter to clear the screen.
Ping command is also a very important command. This command sends signals to the other device to take respond that the desired device is online or active or not. This commands works with the collaboration of ICMP (Internet Control Message Protocol). In this process, the request is being sent to the desired system to get the response of the desired device that it is working or not. It is an important command in troubleshooting to check the online status of the device.
For demonstration send the request check the status of Router IP. An echo request has sent to the router in the above-mentioned image and it replied 4 times back to us. With sum-up of summary packets sent =4, Packets Received=4, Lost=0
Same as if you want to consider any domain response such type the command ping www.google.com and press enter.
This command is also an essential step in the command tool. Tracert is the process which step by step route the desired destination. For example, we want to take the response from the google this command will indicate routers as well in between the section to reach the Google destination. outer can also be represented HOPS rather name router. As mention in the image given below. The command took 11 HOPS to complete the procedure.
Now will move further toward final command NSLOOKUP. This command will help you to bring out the all DNS record. In this command, the DNS query will help you to gather the whole information. Such as type the command nslookup google.com and press enter.
First two lines describe the DNS router IP through which the command is requested.192.168.1.1 represents my router DNS.
Further in the answer: the all given below IPs are the IP addresses of google.com. As you know Google is a huge web portal so that’s why it’s not going to operate with a single IP address.