Ping does not come back to UE

Q/A
3

Hi @muthuramanecs03g,

I have tried below command but it says “operation not permitted” (as root user in container).
echo “gtpinterface_name” > /proc/gtp5g/pdr

I think we will need to run the UPF container in privileged mode. Could you please check if above comand is correct. Not sure what is #id .

The services UE,RAN ,upf,amf , natapp are running inside containers in microk8s cluster.
gtp5g version is 1.0.3b

Two issues we are seeing:-

  1. ping -I eth1 “upf_ip_eth1” is working as UPF is sending icmp echo replies to UE ( as seen in ngrep capture) but in UE we cannot see packets receiving.
  2. “ping -I eth1 google.com” is working but in upf , no packet captured.

-Thank you.

Flow rules and IP filtering