Unable to ping from a pod

I am using 1 Ubuntu 22.04 and 3 Ubuntu 20.04, ufw is disabled,

  • UFW disabled
  • Network plugin is Flannel
  • net.bridge.bridge-nf-call-iptables=1 is set on all vms.

I can’t perform ping in a pod. I couldn’t get that whether this is a CoreDNS or a Flannel issue. I can provide my configurations if needed but I use default ones right now and doesn’t seem to work for me.

Try this one:

The command to enable the firewall is

$ sudo ufw enable
Firewall is active and enabled on system startup
$ _

You can disable the firewall with

$ sudo ufw disable

You can check the current status of the firewall with

$ sudo ufw status
Status: active
$ _

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