cozystack
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aenix-io
Disable ipv6 cluster wide
Summary
I’ve encountered a challenge with disabling IPv6 in my Kubernetes cluster, which includes 3 control plane (master) nodes and 3 worker nodes, all deployed with CozyStack v0.14.1. After reading various articles and trying different methods, I have not been able to find a working solution.
Steps Taken
1. Disabled IPv6 at the host level:
talosctl -e <host> -n <host> cat /proc/sys/net/ipv6/conf/all/disable_ipv6 1
2. Modified Cilium configuration:
Updated the cilium-config/cni-configuration ConfigMap to include the following argument:
- '--enable-ipv6=false'
3. Updated the Cilium DaemonSet:
Added the --enable-ipv6=false argument to the DaemonSet configuration.
4. Checked Kube-OVN CNI:
Found no relevant configuration regarding IPv6.
Problem
Despite these efforts, IPv6 is still not disabled within the cluster. I am looking for guidance on how to fully disable IPv6 in a Kubernetes cluster deployed with CozyStack. I checked it by creating new ones.
It would be great to have a built-in option to disable IPv6 during CozyStack installation. Thx @kvaps, maybe one day thousands will contribute to this product))
