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Open Source Linux
Open Source Linux
Apr 15, 2021 · Cloud Native

Understanding Docker Container Networking: Modes, Overlay, and Beyond

This article explains Docker's container networking fundamentals, covering single‑host communication modes (host, bridge, none, container‑shared, custom), their advantages and drawbacks, and then delves into cross‑host solutions such as overlay, Weave, and Calico, comparing their architectures and performance implications.

Bridge ModeCalicoContainer Networking
0 likes · 21 min read
Understanding Docker Container Networking: Modes, Overlay, and Beyond
UCloud Tech
UCloud Tech
Nov 10, 2017 · Cloud Native

Why Weave FastDb Crashes VM Networks and How to Fix It

This article explains why Weave's FastDb mode can cause network interruptions on CentOS 7 VMs, analyzes the underlying kernel bugs and UDP PMTU probing issues, and provides practical solutions such as kernel upgrades, disabling UFO, and adjusting MTU settings.

DockerFastDbKernel
0 likes · 9 min read
Why Weave FastDb Crashes VM Networks and How to Fix It