On hs-orange
kubectl logs -n kube-flannel kube-flannel-ds-5j974
iptables --version
kubectl get networkpolicy --all-namespaces
cat /etc/cni/net.d/10-flannel.conflist
This should have 10.244.0.0/16
iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
systemctl restart kubelet
Ensure correct cidr here
kubectl get cm -n kube-system kube-proxy -o yaml | grep clusterCIDR
tcpdump -i any host 10.101.228.233 and port 8009
On all nodes check and compare with hs-orange
ip link show | grep mtu