The art of progress is to preserve order amid change and to preserve change amid order.
Network components that are configured consistently—identically, when possible—are a godsend to busy network troubleshooters. In particular, I’ll discuss two techniques in this hour that will help you build and maintain as consistent (homogenous in geek speak) a network as possible:
Manual consistency methods (which rely mostly on personal organization skills combined with the use of operating system features)
The use of automated deployment tools
Apart from the obvious benefits of planning once and deploying many times, these consistency techniques are going to make your troubleshooting ...