---
name: "lanmap"
section: "8"
platform: "linux"
package: "lanmap"
version: "0.1+svn20060307-5"
release: "Debian 5.0 (Lenny)"
platforms: ["linux"]
url: "https://new.carta.tech/lanmap"
---

# lanmap(8)

A program that passively listens for any activity on your network connection, and creates an image of the network components it managed to discover

## NAME

lanmap — A program that passively listens for any activity on your network  connection, and creates an image of the network components it managed to discover

## SYNOPSIS

**lanmap** \[-o *directory*\]  \[-e *program*\]  \[-T *{png,gif,svg}*\]  \[-f *filter*\]  \[-D *{#,all,raw}*\]  \[-r *seconds*\]  \[-i *{?,\*wildcard\*,iface}*\]  \[-h\]  \[-v\]  \[-V\]

## DESCRIPTION

This manual page documents briefly the **lanmap**     command. This manual page was written for the Debian GNU/Linux distribution  because the original program does not have a manual page.

**lanmap** listens on one network interface and  produces an image of what it sees.

## OPTIONS

- **-o** *directory*

  The directory in which to save the generated images. Default is   the current directory.

- **-e** *program*

  The program to use to generate images. Default is 'twopi'.

- **-T** *{png,gif,svg}*

  Output image format. Default is 'png'.

- **-f** *filter*

  Traffic filter, in libpcap syntax.

- **-D** *{#,all,raw}*

  Debug mode; lots of output, use with caution.  #: payload bytes to dump (default: 0)

- **-r** *seconds*

  Set the time interval between 2 consecutive graph generations. Default   is 60 seconds.

- **-i** *{?,\*wildcard\*,iface}*

  Interface to use:  "all" for all  ?: list all devices and exit  \*3Com\*: use the first NIC with "3Com" in it

- **-V**

  Version info.

- **-vv**

  Verbose mode, up to 3 levels (-vv, -vvv).

- **-h**

  Help message.

## EXAMPLES

lanmap -i eth0 -r 30 -T png -o /tmp/

## AUTHOR

This manual page was written by Sebastien Delafond  for the Debian GNU/Linux system   (but may be used by others).

This manual page is (c) 2006 of Sebastien Delafond  and licensed under the terms of   the GPLv2 or higher