[FS#4071] Lantiq-VRX200 modem is using wrong line mode

[OpenWrt Bugs]

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A new Flyspray task has been opened.  Details are below. 

User who did this - Erik Porsche (eporsche) 

Attached to Project - OpenWrt/LEDE Project
Summary -  Lantiq-VRX200 modem is using wrong line mode
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Medium
Priority - Very Low
Reported Version - openwrt-21.02
Due in Version - Undecided
Due Date - Undecided
Details - Supply the following if possible:
 - Device problem occurs on
- AVM Fritz 7412
- Lantiq-VRX200

 - Software versions of OpenWrt/LEDE release, packages, etc.
21.02.0 (r16279-5cc0535800) 

 - Steps to reproduce
- Flash firmware
- Enter ISP configuration for 1&1 (https://openwrt.org/docs/guide-user/network/wan/isp-configurations)
- Download and use the modem firmware supplied by AVM: 5.9.0.12.1.7 or 5.9.1.4.0.7

Openwrt will be using: Line Mode: G.993.2 (VDSL2 with down- and upstream vectoring)
instead of: Line Mode: G.993.5 (VDSL2 with down- and upstream vectoring)
which is used by the stock fritz box firmware. This results in a speed decrease from possible 
Max. Attainable Data Rate (ATTNDR): 133.841 Mb/s (down) to 25.000 Mb/s (down)


 

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=4071

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