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The Dominant Programmer
The Dominant Programmer
Oct 17, 2024 · Cloud Native

Understanding Docker0 and Custom Docker Networks: Practical Examples

This article walks through Docker's default docker0 bridge, explains how containers obtain IP addresses via veth‑pair interfaces, demonstrates inspecting container IPs, and shows how to create and use custom bridge networks so containers can communicate by name or IP, including adding existing containers to the new network.

Dockerbridgecontainer networking
0 likes · 6 min read
Understanding Docker0 and Custom Docker Networks: Practical Examples
Open Source Linux
Open Source Linux
May 24, 2022 · Cloud Computing

How Docker Uses veth Pairs and Custom Networks for Container Connectivity

This article explains Docker's networking fundamentals, covering Linux veth pairs, the default docker0 bridge, container IP allocation, the deprecated --link option, and how to create and use custom bridge networks to achieve service‑name based communication and network isolation.

Dockerbridge networkcustom network
0 likes · 13 min read
How Docker Uses veth Pairs and Custom Networks for Container Connectivity