Australian document on VDSL2 interference problem
Australia's National Broadband Network (NBN) has produced a document that suggests radio amateurs cause interference to VDSL2 - reality is it's VDSL2 and the RF pollution it can produce that is the problem

The introduction says:

This document is intended for technically-minded users or those providing technical support to users connected to the nbnâ„¢ network who are experiencing signal interference between their nbnâ„¢ service and amateur radio transmissions. It is assumed that the people referencing this document will have a reasonable understanding of electronics, wireless transmission and broadband transmission technology including digital subscriber line (DSL) and very high-speed DSL (VDSL). With that in mind, this document would be suitable for licensed cablers, telecommunications network technicians, operational support staff, network engineers and amateur radio operators.

Download the document Mitigating Amateur Radio Interference to VDSL2
https://www.nbnco.com.au/content/dam/nb ... cation.pdf