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How can you see which node currently announces a Service IP with Cilium L2 announcements?

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Answer: Check the holder of the cilium-l2announce Lease for that Service

Explanation

Each announced Service gets a Lease named cilium-l2announce-<namespace>-<service> in Cilium's namespace, usually kube-system. Its holder is the node that answers ARP for the Service IP. The policy status only reports errors in the policy itself, such as an invalid selector.

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