Connecting to Existing Networks
Let's learn to connect containerized apps to external systems and physical networks.
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The ability to connect containerized apps to external systems and physical networks is vital. A common example is a partially containerized app; the containerized parts need a way to communicate with the non-containerized parts still running on existing physical networks and VLANs.
MACVLAN
The built-in MACVLAN
driver (transparent
on Windows) was created with this in mind. It makes containers first-class citizens on the existing physical networks by giving each one its own MAC address and IP addresses. We show this in the figure below.
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