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In L3 modes, the ipvlan driver can't set up a default gateway with a next hop address, because there's no L2 for it to resolve the gateway IP into a MAC address. Instead, it sets up a route to 0.0.0.0 or [::] that's connected to the network's interface. The end result is the same - the container has a default route. So, don't set up routes to 0.0.0.0/:: when applying routes when an endpoint joins a sandbox, set them up when the endpoint is selected as the container's gateway. And, drop those routes when another endpoint becomes the gateway. Signed-off-by: Rob Murray <rob.murray@docker.com>
libnetwork - networking for containers
Libnetwork provides a native Go implementation for connecting containers
The goal of libnetwork is to deliver a robust Container Network Model that provides a consistent programming interface and the required network abstractions for applications.
Design
Please refer to the design for more information.
Using libnetwork
There are many networking solutions available to suit a broad range of use-cases. libnetwork uses a driver / plugin model to support all of these solutions while abstracting the complexity of the driver implementations by exposing a simple and consistent Network Model to users.
Contributing
Want to hack on libnetwork? Docker's contributions guidelines apply.
Copyright and license
Code and documentation copyright 2015 Docker, inc. Code released under the Apache 2.0 license. Docs released under Creative commons.