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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_chaining\_azure: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Azure CNI (Legacy) \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* .. note:: For most users, t... | https://github.com/cilium/cilium/blob/main/Documentation/installation/cni-chaining-azure-cni.rst | main | cilium | [
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\*\*Configuration:\*\* ============= ============ ============== Datapath IPAM Datastore ============= ============ ============== Encapsulation Cluster Pool Kubernetes CRD ============= ============ ============== \*\*Requirements:\*\* .. note:: On AKS, Cilium can be installed either manually by administrators via Bri... | https://github.com/cilium/cilium/blob/main/Documentation/installation/requirements-aks.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_k8s\_install\_helm: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Installation using Helm \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-helm.rst | main | cilium | [
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nodes as nodes are added to the cluster. The NodeInit DaemonSet will perform the following actions: \* Reconfigure kubelet to run in CNI mode \* Mount the eBPF filesystem .. group-tab:: AKS .. include:: ../installation/requirements-aks.rst \*\*Install Cilium:\*\* Deploy Cilium release via Helm: .. cilium-helm-install::... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-helm.rst | main | cilium | [
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\\ |CHART\_VERSION| \\ --namespace kube-system \\ --reuse-values .. only:: not stable .. code-block:: shell-session helm upgrade cilium oci://quay.io/cilium/charts/cilium \ --version \ --namespace kube-system \ --reuse-values The ``--reuse-values`` flag preserves your existing configuration. OCI vs Traditional Reposito... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-helm.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_kops\_guide: .. \_k8s\_install\_kops: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Installation using Kops \*\*\*\*\*\*\*\*\*\*\*\*\*\*... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-kops.rst | main | cilium | [
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You may be prompted to create a ssh public-private key pair. .. code-block:: shell-session $ ssh-keygen (Please see :ref:`appendix\_kops`) .. include:: k8s-install-validate.rst .. \_appendix\_kops: Deleting a Cluster ================== To undo the dependencies and other deployment features in AWS from the kops cluster ... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-kops.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_generic\_veth\_cni\_chaining: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Generic Veth Chaining \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*... | https://github.com/cilium/cilium/blob/main/Documentation/installation/cni-chaining-generic-veth.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_rke\_install: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Installation using Rancher Kuberne... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-rke.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. only:: stable Setup Helm repository: .. tabs:: .. group-tab:: Helm Repository .. code-block:: shell-session helm repo add cilium https://he... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-download-release.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_k8s\_install\_kubespray: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Installation using Kubespray \*\*\*\*\*\*\*\*\*\*\*\*\*... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-kubespray.rst | main | cilium | [
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-r inventory/sample inventory/my-inventory $ cp ./inventory/hosts ./inventory/my-inventory/hosts $ echo 'cilium\_version: "v1.11.0"' >> ./inventory/my-inventory/group\_vars/k8s\_cluster/k8s-net-cilium.yml $ ansible-playbook -i ./inventory/my-inventory/hosts ./cluster.yml -e ansible\_user=core -e bootstrap\_os=coreos -e... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-kubespray.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_talos\_linux\_install: \*\*Prerequisites / Limitations\*\* - Cilium's Talos Linux support is only tested with Talos versions ``>=1.5.0``.... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-talos-linux.rst | main | cilium | [
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Install the latest version of the Cilium CLI. The Cilium CLI can be used to install Cilium, inspect the state of a Cilium installation, and enable/disable various features (e.g. clustermesh, Hubble). .. tabs:: .. group-tab:: Linux .. code-block:: shell-session CILIUM\_CLI\_VERSION=$(curl -s https://raw.githubuserconten... | https://github.com/cilium/cilium/blob/main/Documentation/installation/cli-download.rst | main | cilium | [
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You can deploy the "connectivity-check" to test connectivity between pods. It is recommended to create a separate namespace for this. .. code-block:: shell-session kubectl create ns cilium-test Deploy the check with: .. parsed-literal:: kubectl apply -n cilium-test -f \ |SCM\_WEB|\/examples/kubernetes/connectivity-chec... | https://github.com/cilium/cilium/blob/main/Documentation/installation/kubectl-connectivity-test.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_k8s\_install\_openshift\_okd: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Installation on OpenShift OKD \*\*\*\*\*\*\*\*\*... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-openshift-okd.rst | main | cilium | [
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Configuring kind cluster creation is done using a YAML configuration file. This step is necessary in order to disable the default CNI and replace it with Cilium. Create a :download:`kind-config.yaml <./kind-config.yaml>` file based on the following template. It will create a cluster with 3 worker nodes and 1 control-pl... | https://github.com/cilium/cilium/blob/main/Documentation/installation/kind-configure.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_taint\_effects: ##################################################### Considerations on Node Pool Taints and Unmanaged Pods #############... | https://github.com/cilium/cilium/blob/main/Documentation/installation/taints.rst | main | cilium | [
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an upgrade or eventually a routine operation), pods will be evicted from the node until Cilium has had the chance to remove the taint. Another important thing to consider is the concept of node itself, and the different point of views over a node. For example, the instance/VM which backs a Kubernetes node can be patche... | https://github.com/cilium/cilium/blob/main/Documentation/installation/taints.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_cni\_chaining: \*\*\*\*\*\*\*\*\*\*\*\* CNI Chaining \*\*\*\*\*\*\*\*\*\*\*\* CNI chaining allows to use Cilium in combination with other... | https://github.com/cilium/cilium/blob/main/Documentation/installation/cni-chaining.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_chaining\_aws\_cni: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* AWS VPC CNI plugin \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* This guide explains how ... | https://github.com/cilium/cilium/blob/main/Documentation/installation/cni-chaining-aws-cni.rst | main | cilium | [
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in chaining mode. Follow the instructions below to enable this feature: .. important:: The following guide requires `jq `\_ and the `AWS CLI `\_ to be installed and configured. Make sure that the ``AmazonEKSVPCResourceController`` managed policy is attached to the IAM role associated with the EKS cluster: .. code-block... | https://github.com/cilium/cilium/blob/main/Documentation/installation/cni-chaining-aws-cni.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_k3s\_install: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Installation Using K3s \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* This guide... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k3s.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_cni\_migration: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Migrating a cluster to Cilium \*\*\*\*\*\*\*\*... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-migration.rst | main | cilium | [
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from Cilium in chained mode - An existing NetworkPolicy provider During migration, Cilium's NetworkPolicy and CiliumNetworkPolicy enforcement will be disabled. Otherwise, traffic from non-Cilium pods may be incorrectly dropped. Once the migration process is complete, policy enforcement can be re-enabled. If there is an... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-migration.rst | main | cilium | [
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cat values-initial.yaml 5. Install cilium using :ref:`helm `. .. code-block:: shell-session $ helm repo add cilium https://helm.cilium.io/ $ helm install cilium cilium/cilium --namespace kube-system --values values-initial.yaml At this point, you should have a cluster with Cilium installed and an overlay established, b... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-migration.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_rancher\_managed\_rke\_clusters: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Installation using Rancher \*\*\*\*\*\*\*\*\*\*\*\*... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-rancher-existing-nodes.rst | main | cilium | [
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If you like to disable the default kube-proxy and your Cilium configuration enables :ref:`Kube-Proxy Replacement `, check the ``spec.rkeConfig.machineGlobalConfig`` section and set ``spec.rkeConfig.machineGlobalConfig.disable-kube-proxy`` to ``true``. .. image:: images/rancher\_config\_yaml.png When you are ready, clic... | https://github.com/cilium/cilium/blob/main/Documentation/installation/k8s-install-rancher-existing-nodes.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io \*\*\*\*\*\* Calico \*\*\*\*\*\* This guide instructs how to install Cilium in chaining configuration on top of `Calico `\_. .. include:: cni-... | https://github.com/cilium/cilium/blob/main/Documentation/installation/cni-chaining-calico.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_proxy\_visibility: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Layer 7 Protocol Visibility \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\... | https://github.com/cilium/cilium/blob/main/Documentation/observability/visibility.rst | main | cilium | [
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are 6.14.1, 6.12.22, 6.6.86, 6.1.133, 5.15.180, 5.10.236. See :gh-issue:`37932` for the reference. | https://github.com/cilium/cilium/blob/main/Documentation/observability/visibility.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_metrics: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Monitoring & Metrics \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Cilium and Hubble can bot... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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.. cilium-helm-install:: :namespace: kube-system :set: prometheus.enabled=true operator.prometheus.enabled=true hubble.enabled=true hubble.metrics.enableOpenMetrics=true hubble.metrics.enabled="{dns,drop,tcp,flow,port-distribution,icmp,httpV2:exemplars=true;labelsContext=source\_ip\\,source\_namespace\\,source\_workloa... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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are exported under the ``cilium\_kvstoremesh\_`` Prometheus namespace. Etcd metrics are exported under the ``etcd\_`` Prometheus namespace. Installation ------------ You can enable the metrics for different Cluster Mesh API Server components by setting the following values: \* clustermesh-apiserver: ``clustermesh.apise... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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of all endpoint regenerations that have completed, tagged by reason, outcome and error ``endpoint\_regeneration\_time\_stats\_seconds`` ``scope``, ``status`` Enabled Endpoint regeneration time stats ``endpoint\_state`` ``endpoint\_state`` Enabled Count of all endpoints ============================================ =====... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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emitted only when map utilization exceeds the threshold set by ``policyMapPressureMetricsThreshold`` helm value, which defaults to 0.1 (10% full). ``bpf\_map\_capacity`` ``map\_group`` Enabled Maximum size of eBPF maps by group of maps (type of map that have the same max capacity size). Map types with size of 65536 are... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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time waiting before applying incremental updates to the BPF policy maps. ``identity\_updater\_timer\_trigger\_folds`` ``name`` Enabled Number of timer triggers that were coalesced in to one execution. ``name="id-alloc-update-policy-maps"`` applies the incremental updates to the BPF policy maps. ========================... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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Total number of IPs in the IPAM pool labeled by family ``ipam\_events\_total`` ``action``, ``family`` Enabled Number of IPAM events received labeled by action and datapath family type ``ip\_addresses`` ``family`` Enabled Number of allocated IP addresses ======================================== =========================... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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1 or Down = 0 ``advertised\_routes`` ``instance\_name``, ``local\_asn``, ``neighbor``, ``neighbor\_asn``, ``afi``, ``safi`` Enabled Number of routes advertised to the peer ``received\_routes`` ``instance\_name``, ``local\_asn``, ``neighbor``, ``neighbor\_asn``, ``afi``, ``safi`` Enabled Number of routes received from t... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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pool ``lbipam\_services\_matching`` Enabled Number of matching services ``lbipam\_services\_unsatisfied`` Enabled Number of services which did not get requested IPs ======================================== ================================================================= ========== =====================================... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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Default Description ========================================= ======================================================================== ========== ========================================================= ``mcsapi\_serviceexport\_info`` ``serviceexport``, ``namespace`` Enabled Information about ServiceExport in the loca... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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CronJob, Job, DeploymentConfig (OpenShift), etc). ``app`` Kubernetes pod's app name, derived from pod labels (``app.kubernetes.io/name``, ``k8s-app``, or ``app``). ===================== =================================================================================== When specifying the source and/or destination cont... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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ones, is not directly tied to network flows. It's enabled if any of the other metrics is enabled. ================================ ======================================== ========== ================================================== Name Labels Default Description ================================ =====================... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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Name Labels Default Description ================================= =================================================== ========== ============================================== ``http\_requests\_total`` ``method``, ``protocol``, ``status``, ``reporter`` Disabled Count of HTTP requests ``http\_request\_duration\_seconds`... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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======================================================== Name Labels Description ======================================== ============================================ ======================================================== ``kvstore\_operations\_duration\_seconds`` ``action``, ``kind``, ``outcome``, ``scope`` Duration... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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and maximum allowed number of requests in flight ``api\_limiter\_wait\_duration\_seconds`` ``api\_call``, ``value`` Mean, min, and max wait duration ============================================== ========================================== ======================================================== Controllers ~~~~~~~~~~~ ... | https://github.com/cilium/cilium/blob/main/Documentation/observability/metrics.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_install\_metrics: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Running Prometheus & Grafana \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\... | https://github.com/cilium/cilium/blob/main/Documentation/observability/grafana.rst | main | cilium | [
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images/grafana\_hubble\_dns.png Hubble HTTP ----------- .. image:: images/grafana\_hubble\_http.png Hubble Network Policy --------------------- .. image:: images/grafana\_hubble\_network\_policy.png | https://github.com/cilium/cilium/blob/main/Documentation/observability/grafana.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_hubble\_intro: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Network Observability with Hubble \*\*\*\*\*\*\*\*\*\*\... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/index.rst | main | cilium | [
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.. note:: The following commands use the ``-P`` (``--port-forward``) flag to automatically port-forward the Hubble Relay service from your local machine on port ``4245``. You can also omit the flag and create a port-forward manually with the Cilium CLI: .. code-block:: shell-session $ cilium hubble port-forward ℹ️ Hubb... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/port-forward.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_ip\_packet\_tracing\_tutorial: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Tut... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/ip-packet-tracing.rst | main | cilium | [
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``server`` pods appear with the matching ID. | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/ip-packet-tracing.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_hubble\_gsg: .. \_hubble\_ui: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Service Map & Hubble UI \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/hubble-ui.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_hubble\_cli: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Inspecting Network Flows with the CLI \*\*\*\*\*\... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/hubble-cli.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_hubble\_setup: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Setting up Hubble Observability \*\*\*\*\*\*\*\*\*\*\*\*\*\... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/setup.rst | main | cilium | [
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flag or ``HUBBLE\_SERVER`` environment variable to set the Hubble server address (default: ``localhost:4245``). For more information, check out Hubble CLI's help message by running ``hubble help status`` or ``hubble help observe`` as well as ``hubble config`` for configuring Hubble CLI. .. note:: If you have :ref:`enab... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/setup.rst | main | cilium | [
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expired" connection timeout=30s error="rpc error: code = Unavailable desc = connection error: desc = \"transport: Error while dialing: dial tcp 10.96.49.4:443: connect: connection refused\"" subsys=hubble-relay time="2025-02-12T21:22:40.265123839Z" level=info msg="Failed to create peer notify client for peers change no... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/setup.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_hubble\_enable\_tls: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Configure TLS with Hubble \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/configuration/tls.rst | main | cilium | [
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set to ``false``, secrets containing the certificates must be created in the ``kube-system`` namespace, and the secret names must be provided to Helm. Provided files must be \*\*base64 encoded\*\* PEM certificates. In addition, the \*\*Common Name (CN)\*\* and \*\*Subject Alternative Name (SAN)\*\* of the certificate f... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/configuration/tls.rst | main | cilium | [
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shell-session $ helm install cert-manager jetstack/cert-manager \ --set webhook.hostNetwork=true \ --set webhook.tolerations='["operator": "Exists"]' Then configure an issuer and install Cilium. .. group-tab:: Helm When using Helm certificates are not automatically renewed. If you encounter issues with expired certific... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/configuration/tls.rst | main | cilium | [
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shell-session $ kubectl exec -it -n kube-system deployment/hubble-cli -- \ hubble observe --server tls://${IP?}:4244 \ --tls-server-name ${SERVERNAME?} \ --tls-ca-cert-files /var/lib/hubble-relay/tls/hubble-server-ca.crt failed to connect to '172.18.0.2:4244': context deadline exceeded: connection error: desc = "error ... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/configuration/tls.rst | main | cilium | [
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depth=0 CN = \*.default.hubble-grpc.cilium.io verify return:1 --- Certificate chain 0 s:CN = \*.default.hubble-grpc.cilium.io i:C = US, ST = San Francisco, L = CA, O = Cilium, OU = Cilium, CN = Cilium CA a:PKEY: id-ecPublicKey, 256 (bit); sigalg: ecdsa-with-SHA256 v:NotBefore: Aug 15 17:39:00 2024 GMT; NotAfter: Aug 15... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/configuration/tls.rst | main | cilium | [
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on the Hubble metrics API If you also want to enable authentication using mTLS on the Hubble metrics API, first create a ConfigMap with a CA certificate to use for verifying client certificates: :: kubectl -n kube-system create configmap hubble-metrics-ca --from-file=ca.crt Then, add the following flags to your Helm co... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/configuration/tls.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Configuring Hubble exporter \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* \*\*... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/configuration/export.rst | main | cilium | [
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.. \_flow proto: https://github.com/cilium/cilium/blob/main/api/v1/flow/flow.proto Examples include: - To keep all information except pod labels: .. code-block:: shell-session hubble-export-fieldmask: time source.identity source.namespace source.pod\_name destination.identity destination.namespace destination.pod\_name... | https://github.com/cilium/cilium/blob/main/Documentation/observability/hubble/configuration/export.rst | main | cilium | [
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Cluster Mesh Troubleshooting ============================ Install the Cilium CLI ---------------------- .. include:: /installation/cli-download.rst Automatic Verification ---------------------- #. Validate that Cilium pods are healthy and ready: .. code-block:: shell-session cilium status #. Validate that Cluster Mesh ... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting_clustermesh.rst | main | cilium | [
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for remote clusters is picked up correctly. For each remote cluster, an info log message ``New remote cluster configuration`` along with the remote cluster name must be logged in the ``cilium-agent`` logs. If the configuration is not found, check the following: \* The ``cilium-clustermesh`` Kubernetes secret is present... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting_clustermesh.rst | main | cilium | [
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identities are synchronized correctly by running ``cilium-dbg identity list`` in one of the Cilium pods. It must list identities from all clusters. You can determine what cluster an identity belongs to by looking at the label ``io.cilium.k8s.policy.cluster``. If remote identities are not present, validate that Cilium a... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting_clustermesh.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. warning:: Read the full upgrade guide to understand all the necessary steps before performing them. Do not upgrade to \ |NEXT\_RELEASE| bef... | https://github.com/cilium/cilium/blob/main/Documentation/operations/upgrade-warning.rst | main | cilium | [
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Service Mesh Troubleshooting ============================ Install the Cilium CLI ---------------------- .. include:: /installation/cli-download.rst Generic ------- #. Validate that the ``ds/cilium`` as well as the ``deployment/cilium-operator`` pods are healthy and ready. .. code-block:: shell-session $ cilium status M... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting_servicemesh.rst | main | cilium | [
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content-length: 19 < content-type: text/plain < date: Thu, 07 Jul 2022 12:25:56 GMT < server: envoy < \* Connection #0 to host localhost left intact # Flows for world identity $ kubectl -n kube-system exec ds/cilium -- hubble observe -f --identity 2 Jul 7 12:28:27.970: 127.0.0.1:54704 <- 127.0.0.1:13681 http-response F... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting_servicemesh.rst | main | cilium | [
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Defaulted container "cilium-agent" out of: cilium-agent, mount-cgroup (init), apply-sysctl-overwrites (init), mount-bpf-fs (init), clean-cilium-state (init) Jul 7 13:07:46.726: 10.0.0.95:42509 -> default/details-v1-5498c86cf5-cnt9q:9080 to-endpoint FORWARDED (TCP Flags: SYN) Jul 7 13:07:46.726: 10.0.0.95:42509 <- defau... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting_servicemesh.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_admin\_upgrade: \*\*\*\*\*\*\*\*\*\*\*\*\* Upgrade Guide \*\*\*\*\*\*\*\*\*\*\*\*\* .. \_upgrade\_general: This upgrade guide is intended... | https://github.com/cilium/cilium/blob/main/Documentation/operations/upgrade.rst | main | cilium | [
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-------------------------------------------------------------------------------------- :term:`Helm` can be used to either upgrade Cilium directly or to generate a new set of YAML files that can be used to upgrade an existing deployment via ``kubectl``. By default, Helm will generate the new templates using the default ... | https://github.com/cilium/cilium/blob/main/Documentation/operations/upgrade.rst | main | cilium | [
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the upgrade notes specific to |CURRENT\_RELEASE|. Read them carefully and take the suggested actions before upgrading Cilium to |CURRENT\_RELEASE|. For upgrades to earlier releases, see the :prev-docs:`upgrade notes to the previous version `. The only tested upgrade and rollback path is between consecutive minor releas... | https://github.com/cilium/cilium/blob/main/Documentation/operations/upgrade.rst | main | cilium | [
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restart is needed after a ConfigMap change. See :ref:`configmap-drift-detection` for details. \* ``bpf.datapathMode=auto`` config option has been introduced. If set, Cilium will probe the underlying host for netkit support and, if found, netkit mode will be selected at runtime. Otherwise, Cilium will default back to th... | https://github.com/cilium/cilium/blob/main/Documentation/operations/upgrade.rst | main | cilium | [
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were missing during endpoint policy calculation. \* ``cilium\_endpoint\_component\_status`` was added and reports the number of endpoints tagged by the status (``OK``, ``Warning``, ``Failure``) of each component (``BPF``, ``Policy``). \* ``cilium\_kubernetes\_resource\_sync\_duration`` was added and reports duration in... | https://github.com/cilium/cilium/blob/main/Documentation/operations/upgrade.rst | main | cilium | [
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the shared identity store. The disruption occurs when new numeric identities are used for existing pods on some instances and others are used on others. When converting to CRD-backed identities, it is possible to pre-allocate CRD identities so that the numeric identities match those in the kvstore. This allows new and ... | https://github.com/cilium/cilium/blob/main/Documentation/operations/upgrade.rst | main | cilium | [
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labels will still be used in identity determination labels="map[]" subsys=crd-allocator INFO[0003] Migrated identity identity=34815 identityLabels="k8s:class=tiefighter;k8s:io.cilium.k8s.policy.cluster=default;k8s:io.cilium.k8s.policy.serviceaccount=default;k8s:io.kubernetes.pod.namespace=default;k8s:org=empire;" WARN[... | https://github.com/cilium/cilium/blob/main/Documentation/operations/upgrade.rst | main | cilium | [
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between KVStore and CRD identities. Note that Garbage Collection for KVStore identities and CRD identities happens at slightly different times, so it is possible to see discrepancies in the metrics for certain periods of time, depending on ``--identity-gc-interval`` and ``--identity-heartbeat-timeout`` settings. #. Onc... | https://github.com/cilium/cilium/blob/main/Documentation/operations/upgrade.rst | main | cilium | [
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values: - fixme-cluster-name-1 - fixme-cluster-name-2 Alternatively, you can also allow traffic from ``bar`` located in every cluster and restore the same behavior as setting ``policy-default-local-cluster`` to ``false`` but on this individual policy: .. code-block:: yaml apiVersion: "cilium.io/v2" kind: CiliumNetworkP... | https://github.com/cilium/cilium/blob/main/Documentation/operations/upgrade.rst | main | cilium | [
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msg="Validating CiliumNetworkPolicy 'default/cnp-update': OK! level=info msg="All CCNPs and CNPs valid!" Once they are valid you can continue with the upgrade process. :ref:`cleanup\_preflight\_check` | https://github.com/cilium/cilium/blob/main/Documentation/operations/upgrade.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_admin\_guide: ############### Troubleshooting ############### This document describes how to troubleshoot Cilium in different deployment ... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting.rst | main | cilium | [
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-p cilium-1234 Generic ------- When logged in a host running Cilium, the cilium CLI can be invoked directly, e.g.: .. code-block:: shell-session $ cilium-dbg status KVStore: Ok etcd: 1/1 connected: https://192.168.60.11:2379 - 3.2.7 (Leader) ContainerRuntime: Ok Kubernetes: Ok OK Kubernetes APIs: ["core/v1::Endpoint", ... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting.rst | main | cilium | [
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allows to query multiple Hubble instances simultaneously and aggregate the results. See :ref:`hubble\_setup` to enable Hubble Relay if it is not yet enabled and install the Hubble CLI on your local machine. .. include:: /observability/hubble/port-forward.rst You can verify that Hubble Relay can be reached by using the ... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting.rst | main | cilium | [
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running on each node. By default when Cilium is run, it launches instances of ``cilium-health`` in the background to determine the overall connectivity status of the cluster. This tool periodically runs bidirectional traffic across multiple paths through the cluster and through each node using different protocols to de... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting.rst | main | cilium | [
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for ``bpf-ct-global-any-max`` and ``bpf-ct-global-tcp-max`` can be increased. Setting both of these options will be a trade-off of CPU for ``conntrack-gc-interval``, and for ``bpf-ct-global-any-max`` and ``bpf-ct-global-tcp-max`` the amount of memory consumed. You can track conntrack garbage collection related metrics ... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting.rst | main | cilium | [
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code-block:: shell-session kubectl -n kube-system exec -ti cilium-q8wvt -- cilium-dbg endpoint get 59084 .. image:: images/troubleshooting\_policy.png :align: center Importing this dump into a JSON-friendly editor can help browse and navigate the information here. At the top level of the dump, there are two nodes of no... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting.rst | main | cilium | [
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this rule creates an identity that represents all IPs within the ``/30`` and therefore, only requires the selector to select 1 identity. FQDN ~~~~ See section on :ref:`isolating the source of toFQDNs issues regarding identities and policy `. etcd (kvstore) ============== Introduction ------------ Cilium can be operated... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting.rst | main | cilium | [
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report failure in ``cilium-dbg status``. This will cause the liveness and readiness probe of Kubernetes to fail and Cilium will be restarted. \* A lock is acquired and released to test a write operation which requires quorum. If this operation fails, loss of quorum is reported. If quorum fails for three or more interva... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting.rst | main | cilium | [
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0.75, 0.27, 0.15 10:15:16 up 6 days, 7:28, 0 users, load average: 0.14, 0.04, 0.01 List unmanaged Kubernetes pods ------------------------------ Lists all Kubernetes pods in the cluster for which Cilium does \*not\* provide networking. This includes pods running in host-networking mode and pods that were started before... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting.rst | main | cilium | [
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-n kube-system exec cilium-kg8lv -- cilium-bugtool [...] $ # Copy the archive from the pod $ kubectl cp kube-system/cilium-kg8lv:/tmp/cilium-bugtool-20180411-155146.166+0000-UTC-266836983.tar /tmp/cilium-bugtool-20180411-155146.166+0000-UTC-266836983.tar [...] .. note:: Please check the archive for sensitive informatio... | https://github.com/cilium/cilium/blob/main/Documentation/operations/troubleshooting.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_admin\_system\_reqs: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* System Requirements \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Before installing ... | https://github.com/cilium/cilium/blob/main/Documentation/operations/system_requirements.rst | main | cilium | [
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recommended to use kernel 5.10 or later (or equivalent such as 4.18 on RHEL 8.10). For a list of features that require newer kernels, see :ref:`advanced\_features`. In order for the eBPF feature to be enabled properly, the following kernel configuration options must be enabled. This is typically the case with distribut... | https://github.com/cilium/cilium/blob/main/Documentation/operations/system_requirements.rst | main | cilium | [
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\_req\_kvstore: Key-Value store =============== Cilium optionally uses a distributed Key-Value store to manage, synchronize and distribute security identities across all cluster nodes. The following Key-Value stores are currently supported: - etcd >= 3.1.0 Cilium can be used without a Key-Value store when CRD-based sta... | https://github.com/cilium/cilium/blob/main/Documentation/operations/system_requirements.rst | main | cilium | [
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checks ICMP 8/0 egress ``worker-sg`` health checks ======================== =============== ==================== =============== Worker Nodes (``worker-sg``): ======================== =============== ==================== =============== Port Range / Protocol Ingress/Egress Source/Destination Description ===============... | https://github.com/cilium/cilium/blob/main/Documentation/operations/system_requirements.rst | main | cilium | [
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unlikely to collide with the main routing table which is between 253-255. Cilium uses the following routing table IDs: ================= ========================================================= Route table ID Purpose ================= ========================================================= 200 IPsec routing rules 20... | https://github.com/cilium/cilium/blob/main/Documentation/operations/system_requirements.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_performance\_scalability: Performance & Scalability ========================= Welcome to the performance and scalability guides. This sec... | https://github.com/cilium/cilium/blob/main/Documentation/operations/performance/index.rst | main | cilium | [
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.. only:: not (epub or latex or html) WARNING: You are looking at unreleased Cilium documentation. Please use the official rendered version released here: https://docs.cilium.io .. \_performance\_report: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* CNI Performance Benchmark \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\... | https://github.com/cilium/cilium/blob/main/Documentation/operations/performance/benchmark.rst | main | cilium | [
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are being used, all test configurations can achieve transfer rates close to the line-rate of the network interface. The main difference is the CPU resources required to achieve it: .. image:: images/bench\_tcp\_stream\_32\_streams\_cpu.png .. \_request\_response: Request/Response Rate (TCP\_RR) ========================... | https://github.com/cilium/cilium/blob/main/Documentation/operations/performance/benchmark.rst | main | cilium | [
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