[Kea-users] Bind service to loopback address

[Jason Guy]

Hi folks,

I would like to leverage my routing on the host setup, and bind the kea
service to the loopback address I have configured. This would ultimately
allow me to deploy multiple kea servers with an "anycast" reachability.

ip addr show lo
...
    inet 10.50.5.11/32 brd 10.50.5.11 scope global lo:1
...

Kea.conf:
...
        "interfaces-config": {
            "interfaces": [
                "lo/10.50.5.11",
                "eth0",
                "eth1"
            ]
        },
....

I have tried specifying this in a few ways, and the DHCP relay packets
reach the server, but Kea does not appear to process them. I thought about
putting the loopback on the ethernet interfaces as secondary addresses, but
wanted to understand why I can see the relay packets arrive but not picked
up by Kea.

Thanks,
Jason
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