A while back, I reviewed the NetWrix Change Reporter Suite, which provides some very nice tools for tracking and managing changes to your IT environment. Keeping up with changes is an important part of your overall security strategy. Now the company has released a new auditing and reporting product, NetWrix Infrastructure Change Reporter, that automatically discovers network devices such as routers, switches and firewalls, and tracks changes to their configuration settings. It uses SNMP and so only supports SNMP enabled devices.
There is a freeware edition that you can try out without making a monetary commitment, as well as a commercial version. You can find out more and download the software here: