A Linux bridge is a built-in kernel module that acts like a network switch. Its features include STP/L2 forwarding, a VLAN filter, and switchdev.
Learn how to write an XDP program on RHEL 8.3 for counting dropped packets, which involves adding a BPF map, and writing a custom loader.
This post provides a brief introduction to Linux tunnel interfaces, focusing on the difference between frequently used tunnels and how to create them.
This post provides a brief introduction to Linux virtual interfaces, focusing on frequently used interfaces and some interfaces that can be easily confused with one another.