Most home routers shipped to date have limited network testing and debugging tools. CeroWrt comes with a rich set of tools. Some critical tools are installed by default, and many more tools are available in the package repository.
These commands are included by default:
Optional packages include, but are not limited to:
The package listing in the router's administrative interface will contain a complete listing once updated.
Most CeroWrt releases also contain oprofile support, which is very useful for detecting problems integral to the kernel and networking stack. Note that enabling oprofile can introduce "heisenbugs" in that it is very CPU and memory intensive.