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There is extensive information available on this. Search for "traefik source address" in k3s issues and discussions on GH.

I just realized that I have what I need. the source address is from another node only if the connection comes in from a node where traefik isn't running. But that won't be the regular case.

external-dns

only pushes up the node ips where the service is running, and as long as someone connects to one of those, I'm fine. It would only be if one of the traefik pods migrated nodes, during the window before

external-dns

caught the change and it propagated through the dns cache that traffic would be sent to a node where traefik was running. Thank you.

correct!