Questions tagged [cilium]
The cilium tag has no usage guidance.
16
questions
4
votes
0
answers
428
views
Kubernetes setup with different networks for intra and inter-cluster communication
I have this use case: Setup multiple k8s clusters that can communicate with each other. I also have one network per cluster for intra-cluster communication and another network for inter-cluster ...
- 175
2
votes
1
answer
1k
views
Couldn't load target `NOTRACK':No such file or directory
I am trying to add a IP table rule.
iptables -t raw -A PREROUTING -j NOTRACK
But when I am executing this I am getting below error:
iptables v1.8.4 (legacy): Couldn't load target `NOTRACK':No such ...
- 121
2
votes
1
answer
5k
views
How do I completely remove cilium from Ubuntu 18?
I installed cilium with:
kubectl create -f https://raw.githubusercontent.com/cilium/cilium/1.7.2/install/kubernetes/quick-install.yaml
A couple minutes later the network connectivity on the host ...
- 199
2
votes
1
answer
193
views
Why does kubeproxy, apiserver and etcd not need CNI plugins to start?
I have initiated a k8s cluster on a server with the below configuration:
OS: Ubuntu 2022 LTS
Container Runtime: containerd
CNI: Absoloutley nothing installed!
Cluster initiator: Kubeadm
init-...
- 23
1
vote
1
answer
123
views
trace kubernetes users activities in pods
I want to track users activities in a k8s cluster. for example I want to get k8s username of a user that executes a command in a pod. there is a tool named Tetragon. it can uses k8s api.
following log ...
- 13
1
vote
0
answers
2k
views
Readiness probe failed: HTTP probe failed with statuscode: 503 after installing Cilium on Kubernetes cluster
I'm new to Kubernetes world .Followed InstallKubernetesI have installed Kubernetes cluster with 1 master node and 2 worker nodes.I used kubeadm to install on master node on my local machine.After ...
- 11
0
votes
1
answer
3k
views
Kubernetes Nodes are not reachable and cannot reach local network after installing cilium
Little bit of an Introduction, Im pretty new to kubernetes so i'm a bit rough on it. Lets me sketch my problem.
TLDR: After installing cilium on kubernetes I cannot acces from and to any other machine ...
- 21
0
votes
1
answer
370
views
How to change the cilium DeamonSet initial container kube api address
I am using cilium 1.14.3 as the kuberenetes v1.28.3 cni component, this is how I install the cilium:
helm install cilium cilium/cilium --version 1.14.3 \
--namespace kube-system \
--set global....
- 425
0
votes
0
answers
50
views
Packet flow of kubernetes cilium CNI
I have a kubernete cluster with cilium replacing kube-proxy. The nat iptables looks like the following:
Chain PREROUTING (policy ACCEPT)
target prot opt source destination
...
- 181
0
votes
0
answers
38
views
ARP resolution does not work as intended in VPC when doing L2 Announcements with CIlium CNI on a K8S Cluster spanning EC2 instances
VPC Configuration
VPC CIDR: 10.0.0.0/16
Region 1: 10.0.0.0/24 (public), 10.0.64.0/24 (private)
Region 2: 10.0.16.0/24 (public), 10.0.80.0/24 (private)
Region 3: 10.0.32.0/24 (public), 10.0.96.0/24 (...
- 131
0
votes
0
answers
19
views
Kubernetes self managed cluster connection
I have managed to run Kubernetes cluster within my local network consisting if several nodes running as multipass instances and several devices. I am using cilium for the networking. What I am trying ...
0
votes
0
answers
139
views
Why can't I schedule more pods even with Ipv4Prefix enabled in my EKS cluster
I am using cilium as my CNI. I have successfully run the cilium connectivity test and all tests pass. My nodegroup schedules a t3.small nodes (3 of them), which allows me to run 11 pods without ...
- 123
0
votes
1
answer
400
views
How can i get cilium to pass the failing connectivity test
I am trying to deploy cilium to my eks cluster, for context, this cluster is a private cluster running behind a private subnet, and routed to the internet through a NAT gateway and then an internet ...
- 123
0
votes
0
answers
90
views
Cilium installation on cluster created using kubeadm
I am trying to install Cilium (1.14) on a very vanilla k8s (1.27) cluster (1 controller + 3 workers). I used kubeadm to create the cluster on EC2 arm64 machines on AWS. The cluster works fine if I use ...
- 1
0
votes
1
answer
606
views
Kubernetes pod not accessible on external IP from node
I have a setup on microk8s with cilium and Metallb where I run a docker registry pod. The pod is assigned a service that gets an IP address from metallb and everything works fine if I run curl against ...
- 1
0
votes
0
answers
833
views
Kubernetes Gateway API - Using HTTPRoute rules to rewrite URI paths
My goal is to have a single Gateway that can be used to host multiple applications at different paths. The URLRewrite filter exists, however, when it does not seem to be working as expected.
Using ...
- 261