Network Troubleshooting

iftop does for network usage what top(1) does for CPU usage. It listens to network traffic on a named interface and displays a table of current bandwidth usage by pairs of hosts. Handy for answering the question

InTrace is a traceroute-like application that enables users to enumerate IP hops exploiting existing TCP connections, both initiated from local network (local system) or from remote hosts. It could be useful for network reconnaissance and... more

See how much time it will take to ping your ip or www address from about 25 different parts of the world.


LFT, short for Layer Four Traceroute, is a sort of 'traceroute' that often works much faster (than the commonly-used Van Jacobson method) and goes through many configurations of packet-filters (firewalls). More importantly, LFT implements... more

The ManageEngine "Free Ping Tool" will address this monitoring requirement. The ManageEngine Ping Tool, using ICMP Ping, monitors the availability of servers, routers, switches and mail servers internally and more importantly websites externally... more


mtr combines the functionality of the 'traceroute' and 'ping' programs in a single network diagnostic tool. As mtr starts, it investigates the network connection between the host mtr runs on and a user-specified destination host. After it... more

mturoute.exe is a small command line application that uses ICMP pings of various sizes in order to determine the MTU values on the path between itself and the target system. It also includes a

MultiMon is an advanced multifunctional system monitoring tool for Windows which displays highly detailed output of a very wide range of activities in real-time.

It offers state-of-the-art system monitoring functionality which cannot be... more

NetRouteView is a GUI alternative to the standard route utility (Route.exe) of Windows operating system. It displays the list of all routes on your current network, including the destination, mask, gateway, interface IP address, metric value,... more

NetSurveyor is an 802.11 (WiFi) network discovery tool that gathers information about nearby wireless access points in real time and displays it in useful ways. Similar in purpose to NetStumbler, it includes many more features. The data is... more


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