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Wiremaps is an application to gather wiring (aka L2) information on a network using protocols like LLDP, EDP, CDP and SONMP. It also gathers information from the FDB (MAC-port table on switches), the ARP table (MAC-IP table) and some miscellaneous information like interface names.

Warning: Wiremaps is not well-maintained. It is aging and may be unlikely to produce good results out-of-the box. I intend to rewrite it at some point but didn't get time yet.

The ARP table is only used to link IP addresses to MAC addresses (and vice-versa). We don't use the information about the interface where this information came from.

GNU/Linux workstations need an LLDP daemon using SNMP to export information gathered. Otherwise, almost no information can be extracted from those hosts.

The situation is the same for Windows. However, there exists a commercial one.


To use this application, you need the following Debian packages:

You then need to create a database and install the corresponding schema. As postgres user (su - postgres), you can use the following:

createuser -P wiremaps
createdb -O wiremaps wiremaps

You need to write a wiremaps.cfg file. See doc/wiremaps.cfg.sample for an example. The default path for this file is /etc/wiremaps/wiremaps.cfg. You can alter it with --config option.

You can install the application with:

python build
sudo python install

Errors about missing twisted/plugins/ can be ignored. You need to have the appropriate libraries and development tools to be able to compile Python modules. On Debian/Ubuntu, this is python-dev package. You also need Net-SNMP and its development files. On Debian/Ubuntu, this is libsnmp-dev package.

If you do not wish to install the application, you still need to compile the module to build SNMP queries. This can be done with:

python build_ext --inplace

You can launch the application by hand

twistd -no wiremaps


twistd -no wiremaps --config=/etc/wiremaps/wiremaps.cfg

By default, wiremaps only listens on localhost. You can change this using:

twistd -no wiremaps --interface=

You can also use debian/init.d as a base for an init script (work only if the application is installed). The init.d script also allows to use older version of Twisted (2.4).

Indexation is not done automatically. You must browse http://localhost:8087/api/1.0/equipment/refresh to initiate a whole refresh. Put this command in a crontab:

16 */3 * * * nobody curl -s http://localhost:8087/api/1.0/equipment/refresh

In the git repository (git clone git://, there is a debian/ directory that builds a Debian package (with dpkg-buildpackage -us -uc). It does not setup the database.


This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version.

See LICENSE file for the complete text. Moreover, to avoid any problem with SNMP bindings using NetSNMP which may be linked with OpenSSL, there is an exception for OpenSSL:

In addition, as a special exception, a permission to link the code with the OpenSSL project's "OpenSSL" library (or with modified versions of it that use the same license as the "OpenSSL" library), and distribute the linked executables is given. You must obey the GNU General Public License in all respects for all of the code used other than "OpenSSL". If you modify this file, you may extend this exception to your version of the file, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.

The SVG files are licensed under Creative Commons Attribution 3.0. See LICENSE-CC for the complete license.

snmp.c is licensed under MIT/X11 license. See the license at the top of the file.

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