The ping and traceroute Commands: This section explains how the ping and traceroute commands work, along with the nuances of how they can be used to better troubleshoot routing problems.
Troubleshooting the Packet Forwarding Process: This section examines the packet forwarding process, focusing on host routing and how routers route packets. It also covers issues related to forwarding packets in both directions between two hosts.
Troubleshooting Tools and Tips: This section covers a wide variety of topics that have some effect on the packet forwarding process. It includes many tips about various commands and concepts that can aid the troubleshooting process.
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