LanTopoLog - Download

The unregistered version has full functionality for testing and evaluation but some features work for a limited time

Download LanTopoLog 2 2.45 (build 1, lantopolog245_setup.exe size: 1.36 MB)

Portable version of LanTopoLog 2 is available.
Portable LanTopoLog 2 does not need any installation.

Download portable LanTopoLog 2 2.45 (build 1, lantopolog245.zip size: 1.6 MB)

LanTopoLog service manager allows to run LanTopoLog as service

Download LanTopoLog service manager (ltl_svc_mgr.zip size: 0.6 MB)

Updating the program

All updates are free.

Installable version: Stop the program. Install the new version.
The new version will keep the data and settings of the previous one.

Portable version: Unzip downloaded zip file to any directory.
If you wish to keep the data and settings,
replace the new folder ..\LanTopoLog2\... with the old one.

Version history

Version 2.45  (06-04-2020) - You can add a new switch to the map without doing a full scan
Version 2.44  (17-03-2020) - Added Port Status Monitor. Custom icons for devices.
Version 2.43  (06-07-2019) - Display the Spanning Tree Status and STP events
Version 2.42  (15-05-2019) - Show access points. Monitoring port bandwidth usage.
Version 2.41  (21-08-2018) - Added support for SNMP Version 3
Version 2.40  (06-06-2018) - LanTopoLog can be run as service
Version 2.38  (10-03-2018) - Added export switch list to a CSV file
Version 2.36  (20-11-2017) - The program is faster and less freezing
Version 2.34  (14-08-2017) - Added import from Nmap scan result file
and from Advanced IP Scanner scan result file
Version 2.33  (10-01-2017) - Improved algorithm for network topology discovery
Added snmpset tool
Version 2.32  (26-12-2016) - Monitoring invalid and dropped packets (ifInErrors,
ifInDiscards). Fixed a bug with resolving IPs and names
Version 2.31  (10-06-2016) - Computer hardware inventory with WMI, show LACP port
Version 2.30  (10-02-2016) - Display traffic charts for each port, fixed memory leak