Questions tagged [flannel]

flannel (originally rudder) is an etcd backed network fabric for containers, an overlay network that gives a subnet to each machine for use with Kubernetes

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Inter pods communication with dns name not working in kubernetes

I have installed Kubernetes(1.17.3) on one server(not VM) with flannel(v0.11.0-amd64) using kubeadm. Then i installed grafana and prometheus and can access both on NodePort http://:31000 Now when i tries to access prometheus service from…
ImranRazaKhan
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impaired / delayed connectivity of Cluster-IPs from k8s master node

I am using kubernetes 1.17 on CentOS 7 with flannel:v0.11.0 and having issues with reachibility of my CLUSTER-IPs from the control plane. I installed and setup the cluster manually with kubeadm. This is basically my cluster: k8s-master-01…
mengmann
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How to get the client ip inside the pod without cloud provider or LB

I need to get client IP in Kubernetes, but I can only get the Flannel internal IP 10.244.X.1 (in nginx via $remote_addr, $http_x_forwarded_for is always -). The Network topo is: client browser -> k8s cluster node ip -> k8s service (A) -> the pod…
atealxt
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Default CNI in Minikube

I try to understand the Kubernetes network and I am now wondering if a CNI is used per default when installing Minikube and when yes which one? In other words, can I run Minikube without a CNI provider like Flannel or Calico?
ammerzon
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How does kubernetes pod gets IP instead of container instead of it as CNI plugin works at container level

How does kubernetes pod gets IP instead of container instead of it as CNI plugin works at container level? How all containers of same pod share same network stack?
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Can not curl pod on different node in Kubernetes

I have a kubernetes cluster (using flannel): kubectl version Client Version: version.Info{Major:"1", Minor:"12", GitVersion:"v1.12.2", GitCommit:"17c77c7898218073f14c8d573582e8d2313dc740", GitTreeState:"clean", BuildDate:"2018-10-24T06:54:59Z",…
DenCowboy
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Kubernetes service on windows node not reachable

I'm currently working on a mixed Linux/Windows Kubernetes cluster. It's currently 4 nodes, running as VMs in a VMWare cluster on a single physical server: 3 Linux nodes running on debian stretch and configured using kubeadm 1 Windows Server 2019…
pschichtel
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Kubernetes on Windows: Can't connect to Pods from node host server or Internet

I have a simple one master (Ubuntu 1604), one worker (Windows Server 1803) Kubernetes cluster running in AWS. I am using Flannel for networking. I have been able to deploy windows containers using kubectl from the master without issue. Deploying…
mm1620
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Kubernetes worker nodes not automatically being assigned podCidr on kubeadm join

I have a multi-master Kubernetes cluster set up, with one worker node. I set up the cluster with kubeadm. On kubeadm init, I passed the -pod-network-cidr=10.244.0.0/16 (using Flannel as the network overlay). When using kubeadm join on the first…
user10452751
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Kubernetes's service still in pending status. How does it work and how to fix this issue?

I have Kubernetes Cluster v1.10 over centos 7 when I deploy service type LoadBalancer it still in pending status Do I need to know how LoadBalancer type work?
AhmedMItman
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How does a node get a subnet in kubernetes?

I am running kubernetes(v1.7) and flannel(v0.9.0) which was installed using kubeadm. I want to know that- How does a node get a subnet? Where are all allocated subnets stored and how I can see them? How does flannel interact with…
shabbir
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Kubernetes flannel pod getting the wrong network

Flannel running in a pod is getting the wrong subnet and networking is just not happy, the symptom is flannel is being assigned /24's from the 10.105.0.0/16. it should be assigning /26's from 10.105.5.128/21. Thanks for any help. here are the…
ms4720
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Performance issues with weave networking on Kubernetes cluster

I create a Kubernetes (v1.6.1) cluster on AWS with one master and two slave nodes, then I spin up mysql instance using helm and deploy a simple Django web-app that queries latest five rows from the database and displays it. For my web service I…
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When using mesos, marathon, and zookeeper my mesos-slave doesnt start when I specify the "containerizers" file with "docker,mesos"?

I have 3 CentOS VMs and I have installed Zookeeper, Marathon, and Mesos on the master node, while only putting Mesos on the other 2 VMs. The master node has no mesos-slave running on it. I am trying to run Docker containers so i specified…
kmahesh3
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kube-dns stays in ContainerCreating status

I have 5 machines running Ubuntu 16.04.1 LTS. I want to set them up as a Kubernetes Cluster. Iḿ trying to follow this getting started guide where they're using kubeadm. It all worked fine until step 3/4 Installing a pod network. I've looked at…
Ravenix
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