http://linux-ip.net/ http://linux-ip.net/ more specifically http://linux-ip.net/pages/diagrams.html http://linux-ip.net/pages/diagrams.html https://docs.kernel

http://linux-ip.net/ http://linux-ip.net/ more specifically http://linux-ip.net/pages/diagrams.html http://linux-ip.net/pages/diagrams.html https://docs.kernel.org/networking/index.html https://docs.kernel.org/networking/index.html https://www.kernel.org/doc/Documentation/networking/ip-sysctl.txt https://www.kernel.org/doc/Documentation/networking/ip-sysct... Have fun. 8-)