This might sound like a silly question but I keep on getting this error.
The testing completed but failed.
Failed to configure IPFW/dummynet. Is it installed?
Waterfall Screen Shot Video
First View: Test Data Missing
Repeat View: Test Error: Skipped repeat view, first view failed: Failed to configure IPFW/dummynet. Is it installed?
Before testing was always fine, without modification on the server / site it no longer functions.