Applies to ONTAP 9 Description There can be many reasons why a client machine is unable to ping to a NetApp LIF IP. To troubleshoot, it is often necessary to understand which step of the ping process ...Applies to ONTAP 9 Description There can be many reasons why a client machine is unable to ping to a NetApp LIF IP. To troubleshoot, it is often necessary to understand which step of the ping process is not working as expected. This KB talks about how packet trace analysis can help in narrowing the issue down to proceed with troubleshooting. The packet trace analysis tool used here is Wireshark.