A BIG IP Administrator need to perform a packet capture and identify the source IP that is connecting to the Virtual Server. Which utility should the administrator use on the BIG IP device?

leinel is not a recognized or valid BIG-IP utility for packet capture or traffic analysis.

traceroute is used to trace the network path packets take to a destination host, not to capture or inspect packet contents or source IP addresses.

ping tests basic ICMP reachability to a host and does not capture or display detailed packet-level connection information.

tcpdump is a command-line packet analyzer available on BIG-IP systems that captures live network traffic at the interface level. It allows an administrator to inspect packet-level details including source and destination IP addresses for traffic hitting a Virtual Server. It is the standard tool for low-level traffic analysis on BIG-IP and supports filters to narrow capture scope.