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Pods don't have internet access
See original GitHub issueI have a single node cluster running on a Ubuntu 20.04 machine. None of the pods are able to ping ips or resolve dns requests. The coredns kube-system pod is able to receive requests but isn’t able to resolve them:
[INFO] 10.1.72.109:58333 - 12496 "AAAA IN google.com. udp 28 false 512" NOERROR - 0 2.000540708s
[ERROR] plugin/errors: 2 google.com. AAAA: read udp 10.1.72.108:38219->8.8.4.4:53: i/o timeout
inspection-report-20200813_094313.tar.gz
cat /proc/sys/net/ipv4/ip_forward is 1
iptables -P FORWARD ACCEPT has no effect
ufw status is inactive
Issue Analytics
- State:
- Created 3 years ago
- Comments:16 (3 by maintainers)
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Hey everyone I know this is closed but wanted to alert you. This is not microk8s specific! I have a kubeadm initialized cluster and am seeing the exact same behavior. If anyone wants me to run commands or show logs etc… I’ll try to pay attention to this thread.
I have the same problem, however, the Windows 3.11 solution (uninstall/reboot/install) did not help in my case.
Since I had a fresh Ubuntu install, I went a bit further and also reinstalled Ubuntu, (server & desktop versions, both 20.04) and then tried installing microk8s, uninstall, reboot and install. At no point could any pod get internet connections.
I think reopening this issue would be justified.