Router - Vigor 120
The Vigor 120 is a modem able to bridge on to Ethernet.
Here are some notes on the device:
IPV6 problems on Firmware 220.127.116.11
The release notes for 18.104.22.168 say "Corrected: IPv6 connection fails when the modem is in PPPoA mode". Version before this will result in IPv6 being corrupted.