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I have a Raspberry Pi and a device/sensor which connects to the Pi via eth1. Eth0 is connected to my router, giving access to the internet.

I'd like to bridge my eth0/eth1, so that traffic from the device can go to the internet.

I'd like to do this using a netplan. Here is what I have so far:

network:
    version: 2
    renderer: networkd
ethernets:
    eth0:
        dhcp4: no
    eth1:
        dhcp4: no
bridges:
    br0:
        interfaces: [eth0, eth1]

How can I tell my system to use this netplan? Is it configured correctly? Do I need to use dhcp4: yes anywhere and for the br0, do I need to include any additional parameters?

I really have no idea what I am doing here, so any help would be appreciated.

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  • "Do I need to use dhcp4: yes anywhere" -> Not familiar with netplans but presuming that means a dhcp client then probably yes with eth0, since your router will be running a dhcp server and you need to interact with that if you want an IP address and a working uplink.
    – goldilocks
    Mar 21, 2022 at 14:36
  • 1
    @goldilocks if dhcp is used, it should be with the bridge self interface br0, not eth0 or eth1 which are now bridge ports.
    – A.B
    Mar 22, 2022 at 21:56

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