---
name: "rdmpro_sniffer"
section: "1"
platform: "linux"
package: "ola"
version: "0.10.9.nojsmin-2"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/rdmpro_sniffer"
---

# rdmpro\_sniffer(1)

Sniffer tool for use with the ENTTEC RDM Pro

## NAME

rdmpro\_sniffer - Sniffer tool for use with the ENTTEC RDM Pro

## SYNOPSIS

rdmpro\_sniffer \[ options \] \<usb-device-path\>

## DESCRIPTION

Sniff traffic from a ENTTEC RDM Pro device.

## OPTIONS

- \-d, --display-dmx

  Display DMX frames. Defaults to false.

- \-h, --help

  Display the help message

- \-l, --log-level \<int8\_t\>

  Set the logging level 0 .. 4.

- \-p, --readfile \<string\>

  Display data from a previously captured file.

- \-r, --full-rdm

  Unpack RDM parameter data.

- \-t, --timestamp

  Include timestamps.

- \-v, --version

  Print **rdmpro\_sniffer** version information

- \-w, --savefile \<string\>

  Also write the captured data to a file.

- \--display-asc

  Display non-RDM alternate start code frames.

- \--dmx-slot-limit \<int16\_t\>

  Only display the first N slots of DMX data.

- \--syslog

  Send to syslog rather than stderr.

## EXAMPLES

### Display RDM messages from the RDM Pro device connected to /dev/tty.usbserial-00001014

rdmpro\_sniffer -r /dev/tty.usbserial-00001014

### Display RDM and DMX frames from an RDM Pro device

rdmpro\_sniffer -r -d /dev/tty.usbserial-00001014

### Save a capture to a file for viewing later

rdmpro\_sniffer -w /tmp/savefile /dev/tty.usbserial-00001014

### Print the messages from a previously captured session.

rdmpro\_sniffer -p /tmp/savefile