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Hi @Sumesh Sukumaran I suggest first trying general HTTP / TCP connectivity between your pods / nodes, without OPAL. OPAL clients go out to OPAL-servers over simple HTTP web-sockets and REST; there’s nothing special about how they connect. That said if you share your configurations / logs - we can try and help you debug 🙂

Hey @Sumesh Sukumaran, Let me know if you need any help with networking and connectivity in your k8s cluster. As a first suggestion of understanding the communication between opal-server and opal-client I would check out service/pod level FQDN - https://kubernetes.io/docs/concepts/services-networking/dns-pod-service/#a-aaaa-records Regarding the ways to communicate with the DaemonSet pods, you can use one of the concepts that described here - https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/#communicating-with-daemon-pods