Hangbin Liu


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An introduction to Linux bridging commands and features

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.

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Get started with XDP

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.

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An introduction to Linux virtual interfaces: Tunnels

This post provides a brief introduction to Linux tunnel interfaces, focusing on the difference between frequently used tunnels and how to create them.

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Introduction to Linux interfaces for virtual networking

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.

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