domain: docs.docker.com/network/drivers/macvlan · 4 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗
Documented steps
Ensure the host is Linux: macvlan is not supported on Docker Desktop for Mac/Windows, on the Windows engine, or in rootless mode.
Create the network, e.g. docker network create -d macvlan --subnet=172.16.86.0/24 --gateway=172.16.86.1 -o parent=eth0 pub_net
Run a container with --network=pub_net; each container gets an IP in the subnet and appears as a physical device directly on the LAN.
Official docs: docs.docker.com/network/drivers/macvlan
Known gotchas
macvlan assigns a unique MAC address to every container; too many unique MACs on one segment cause VLAN spread / MAC exhaustion and can degrade switch performance.
Network equipment must handle one physical interface carrying many MAC addresses (promiscuous-mode style operation).
Most cloud providers block macvlan because it needs physical access to the network segment; it is best suited to on-prem/homelab or bare metal.
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