FortiGate diagnose sniffer packet — Display and save outputIT technician command center
● ITSign inMembers
Network CLI · Cisco and FortiGate

FortiGate diagnose sniffer packet — Display and save output

Display output while saving it to a file. Base task: Capture matching packets on a FortiGate.

Copy-ready commandFortiGate diagnose sniffer packet — Display and save output
diagnose sniffer packet any "host 8.8.8.8" 4 20 l 2>&1 | tee command-results.txt
Production warning

Packet captures, debug flow, and configuration saves should be planned carefully.

Requirements and permissions

Requirements
Vendor CLI access
Permissions
Read-only or privileged mode depending on command
Last reviewed
2026-08-01

Examples

Display and save output

Display output while saving it to a file.

diagnose sniffer packet any "host 8.8.8.8" 4 20 l 2>&1 | tee command-results.txt

Common errors

Command or option not supported

Confirm the installed platform version supports the base command and the added output or wrapper option.

Access denied or insufficient privileges

Run with the administrative role or delegated permission required by the underlying command.