Use the pktcap-uw utility to view the path of a packet in the network stack on an ESXi host for latency analysis.
pktcap-uw Syntax for Tracing Packets
The command of the pktcap-uw utility has the following syntax for tracing packets in the network stack:
pktcap-uw --trace filter_options output_control_options
Options to the pktcap-uw Utility for Tracing Packets
The pktcap-uw utility supports the following options when you use it to trace packets:
|filter_options||Filter traced packets according to source or destination address, VLAN ID, VXLAN ID, Layer 3 protocol, and TCP port. See pktcap-uw Options for Filtering Packets.|
|output_control_options||Save the contents of a packet to a file and trace only a number of packets. See pktcap-uw Options for Output Control.|