Views: 3,637For all my troubleshooting network friends, I have compiled a list below of the top software-based network troubleshooting tools that you need to have and know. It you want to add hardware to your toolkit – have a look at our “Go Bag“ If you want to know more about the commands mentioned below
Top 12 Network Troubleshooting Tools Read More »
Views: 6,248How does traffic from my computer actually get to a web server somewhere on the Internet? What routers does it pass through along the way? And perhaps more importantly when troubleshooting: where does a network problem appear to begin? One of the oldest and most useful tools for answering these questions is traceroute. Traceroute
Using Traceroute to Determine Paths Through the Internet Read More »
Views: 8,938Equal-Cost Multi-Path (ECMP) is a forwarding mechanism for routing packets along multiple paths of equal cost with the goal to achieve almost equally distributed link load sharing. This, of course, significantly impacts a router’s next-hop (path) decision. For further details, look at RFC 2991, “Multipath Issues in Unicast and Multicast Next-Hop Selection,” and RFC
Detecting ECMP in Linux using Paris and Dublin Traceroute Read More »
Views: 2,855Since we published the Linux Networking Commands article in October 2017, I have had several comments that I should have included the “My Trace Route” command. Ofcourse, readers were correct, but I felt that this tool deserved its own article. Some of you, depending on what version of Linux you use may not have
My Traceroute in Linux Read More »
Views: 4,779This one is short and sweet. Is your traceroute responding with “* * *”, or did you enter 1000000000 for the number of extended pings? Easy – simply type CTRL-SHIFT-6 to break the process. That is the Control Key (hold down), the Shift Key (also hold down) and the “6” key – all at
Stopping PING or TRACEROUTE on Cisco IOS Routers Read More »
