To summarize my coverage of the ping-verse, so far on the NetBeez blog, I have covered four different utilities: ping, nping, prettyping, gping. In this post, I am continuing with fping. And there is even more ping goodness coming your way soon… Fping stands for fast ping, and its main…
Recently, we talked about prettyping, and continuing our mini-series on the different kinds of ping tests, here we’ll talk about gping. Gping stands for “Graphical ping”; it’s an open source free project. It gives a plot of the ping latency to a host, but the most useful feature is the…
Ping is one of the oldest and also most commonly used utilities for network testing and troubleshooting. We’ve talked about ping before and we’ve also talked about similar utilities such as nping and hping3. Ping Output What ping does (sending ICMP echo requests and measuring latency by reading the ICMP reply)…
If you google something like “find my public IP,” you will probably find dozens of websites that as soon as you open them display your public IP such as this one: It may also give you the geographical location of your IP, but even if they don’t, it’s as easy…
Traceroute gives you the hop-by-hop information of a route from a source host to a destination. In most cases getting the IP and maybe its DNS lookup (when available) is enough for troubleshooting purposes. Nmap is another tool that I’ve been using a lot lately. It’s very well known in…
We’ve talked about several testing utilities in the past such as ping, traceroute, iperf, and others. And every so often a new one pops into my radar, and I keep repeating “How come I didn’t know about this already?” In this case, the utility in question is nping. There are…
We’ve talked about Linux tools that enable you to manipulate kernel networking parameters such as TCP window size and packet loss or latency. These kinds of tools are used when trying to optimize or troubleshoot network traffic either at the application or kernel level. When it comes to measuring the…
Integration with Extreme Networks I am happy to announce that NetBeez has partnered with Extreme Networks to deliver proactive network monitoring on the leading vendor of network in Wired and WLAN Access Infrastructure. The two companies teamed up to enable distributed organizations to meet and exceed the demands for greater…
When working on subnet addressing, we often have to look up and double-verify any address we deal with. Some of you have been doing this for so long that you can make all these calculations off the top of your head. But for most of us, it’s a cumbersome and…
Let’s consider the following scenario: you have a Linux host that has more than one network interface, both are routable and both are up and running. How do you determine which interface or route is used when trying to reach another host? In other words the routing table looks like…
