Network Support Tools | Blog

Sep 29

Network Support Tools

In this article, we will discuss few network troubleshooting tools that can be used to debug any network issue.

SolarWindsPortScanner – This is a free download software to check for any unattended ports on network devices. This is a great tool for network troubleshooting and port scanning. Scan results displayed on this tool can be extracted in .csv or .xlsx or .xml format.

Paessler Network Troubleshooting with PRTG – This tool offers free trial which can be used for port monitoring in an infrastructure management device. This is intended to troubleshoot any performance issues in the protocol stack and identify the root cause of the issue.

Wireshark – This is a free packet sniffer to analyse traffic flow in a network.

Ping – It’s the command can be run on simple command line utility to check the connectivity of the device and speed of the connection. A successful ping from your computer states that you can successfully connect to those ports. It also provides information on any packet loss between two hosts. If you are unable to ping any DNS name it means you have DNS resolution problem. In case you tried to ping with an IP address and result is not returned, it means you have default gateway problem.

Tracert – It’s a command that can be run on a command line utility to identity number hops of a network or in a network destination address. This is similar to Ping command, leveraging Time To Live (TTL) parameter to determine number of hops in the network.

Nslookup – It’s a command line utility for Windows, Unix, Linux, and Mac OS to diagnostic DNS server details.

Ipconfig – It’s a command line utility command to display the IPV4 and IPV6 addresses, default gateways and subnets for all the connected network on a PC. This command can be used to debug any issues in the network with the IP configuration setting in your computer.

Netstat – It’s a command line utility to display all the active connections on your PC with the ports that each application active on. This command helps in identifying why the users are unable to connect to the applications or to determine what connections has been made to target applications.

Nmap – This runs on a Zenmap user interface with inbuilt network security and monitoring tool.

Sysinternals – This is a combination of set of Microsoft tools in windows to help in troubleshooting and configuring Active Directory.

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