Ethernet

OpenNMC exposes one 10/100 MBit Ethernet interface.

Port

Location	Description
eth0	RJ45 network connector

DHCP

The shipped image requests an address automatically. The OpenNMC web and helper services use NetworkManager for profile management.

Check the current address with:

ip addr show eth0

Check link state with:

ip link show eth0

Static Configuration

Use NetworkManager or nmtui to configure static addressing on the shipped image.

The helper backend exposes NetworkManager operations over the OpenNMC API, so the UI and CLI are aligned on that backend.