| # net-cli |
| |
| `net-cli` is a CLI tool which can run directly on target or as an FFX |
| plugin for configuring and inspecting the Netstack. |
| |
| ## `capture` subcommand |
| |
| The `capture` subcommand is used for managing packet captures on Fuchsia. |
| |
| ### Start a rolling capture |
| |
| Start capturing on interface `lo` using the default capture name `capture`: |
| ```bash |
| net capture start-rolling name:lo |
| ``` |
| |
| Start capturing on interface ID `2` with a custom name `my_capture`, packet size |
| limit of 100 bytes, and buffer size of 4 MiB: |
| ```bash |
| net capture start-rolling --name my_capture --snap-len 100 --capture-size 4194304 id:2 |
| ``` |
| |
| Start capturing with a tcp port filter: |
| ```bash |
| net capture start-rolling name:lo "tcp port 80" |
| ``` |
| |
| ### Stop and download/discard |
| |
| Stop the default capture and download to the default `/tmp/pcap/capture.pcapng`: |
| ```bash |
| net capture stop-rolling |
| ``` |
| |
| Stop a custom capture and download to a specific path: |
| ```bash |
| net capture stop-rolling --name my_capture --output /data/my_capture.pcapng |
| ``` |
| |
| Stop capture and discard the data immediately without downloading: |
| ```bash |
| net capture stop-rolling --skip-download |
| ``` |
