Command Reference, Cisco Ios Xe Everest 16.5.1A (Catalyst 3650 Switches - Cisco Catalyst 3650 series Command Reference Manual

monitor capture file
Attempts to store packet captures on unsupported devices or devices not connected to the active switch
Note
will probably result in errors.
Examples To specify that the storage file name is mycap.pcap, stored on a flash drive:
Device# monitor capture mycap file location flash:mycap.pcap
Related Commands
Command
monitor capture (interface/control plane)
monitor capture buffer
show monitor capture

Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)

498
Description
Configures monitor capture (WireShark) specifying an
attachment point and the packet flow direction.
Configures the buffer for monitor capture (WireShark).
show monitor capture