Compatibility & Considerations Linux Kernel Required Kernel Versions for Advanced Features Key-Value store clang+LLVM iproute2 Firewall Rules Mounted eBPF filesystem Privileges Upgrade Guide Running pre-flight and motivation. Installation Quick Installation Installation using Helm Advanced Installation Considerations on node pool taints and unmanaged pods Observability Setting up Hubble Observability Inspecting ensure application pods will only be scheduled/executed once Cilium is ready to manage them (see Considerations on node pool taints and unmanaged pods for more details), however this is not an option on AKS

Compatibility & Considerations Linux Kernel Required Kernel Versions for Advanced Features Key-Value store clang+LLVM iproute2 Firewall Rules Mounted eBPF filesystem Privileges Upgrade Guide Running pre-flight and motivation. Installation Quick Installation Installation using Helm Advanced Installation Considerations on node pool taints and unmanaged pods Observability Setting up Hubble Observability Inspecting ensure application pods will only be scheduled/executed once Cilium is ready to manage them (see Considerations on node pool taints and unmanaged pods for more details), however this is not an option on AKS

Features Key-Value store clang+LLVM iproute2 Firewall Rules Mounted eBPF filesystem Privileges Upgrade Guide Running pre-flight check (Required) Upgrading Cilium Version Specific Notes Advanced Configuration installed Cilium via helm install, you may enable Hubble Relay and UI with the following command: helm upgrade cilium cilium/cilium --version 1.9.18 \ --namespace $CILIUM_NAMESPACE \ --reuse-values \ the installed Cilium version is 1.9.2 or newer. Users of Cilium 1.9.0 or 1.9.1 are encouraged to upgrade to a newer version by applying the most recent Cilium quick-install.yaml first. Alternatively, it

Distribu�on Compa�bility Matrix Linux Kernel Key-Value store clang+LLVM iproute2 Firewall Rules Privileges Upgrade Guide Running a pre-flight DaemonSet Upgrading Micro Versions Upgrading Minor Versions Rolling Back purpose, the Cilium pod is scheduled to run in the host networking namespace directly. Upgrade Guide This upgrade guide is intended for Cilium 1.3 or later running on Kubernetes. It is assuming that Cilium consult the documenta�on from that release. Running a pre-flight DaemonSet When rolling out an upgrade with Kubernetes, Kubernetes will first terminate the pod followed by pulling the new image version

Features Key-Value store clang+LLVM iproute2 Firewall Rules Mounted eBPF filesystem Privileges Upgrade Guide Running pre-flight check (Required) Upgrading Cilium Version Specific Notes Advanced Configuration Cilium pod. This provides networking visibility for traffic observed by the local Cilium agent. helm upgrade cilium cilium/cilium --version 1.8.13 \ --namespace $CILIUM_NAMESPACE \ --reuse-values \ is therefore strongly discouraged to enable distributed mode in a production environment. helm upgrade cilium cilium/cilium --version 1.8.13 \ --namespace $CILIUM_NAMESPACE \ --reuse-values \

Features and Required Kernel Version Key-Value store clang+LLVM iproute2 Firewall Rules Privileges Upgrade Guide Running pre-flight check (Required) Upgrading Micro Versions Upgrading Minor Versions Step namespace directly. Upgrade Guide This upgrade guide is intended for Cilium running on Kubernetes. If you have questions, feel free to ping us on the Slack channel. Warning Do not upgrade to 1.6.0 before Changes required before upgrading to 1.6.7. Running pre-flight check (Required) When rolling out an upgrade with Kubernetes, Kubernetes will first terminate the pod followed by pulling the new image version

Features and Required Kernel Version Key-Value store clang+LLVM iproute2 Firewall Rules Privileges Upgrade Guide Running pre-flight check (Required) Upgrading Cilium Step 3: Rolling Back Version Specific new deployments. For existing Cilium deployments in version v1.6 or prior, please consult the 1.7 Upgrade Notes. The current Cilium kube-proxy replacement mode can also be introspected through the cilium purpose, the Cilium pod is scheduled to run in the host networking namespace directly. Upgrade Guide This upgrade guide is intended for Cilium running on Kubernetes. Helm commands in this guide use helm3