Password used to authenticate with the ADSL service.
Flags indicating how to handle the #NMSettingAdsl:password property.
ADSL connection protocol. Can be "pppoa", "pppoe" or "ipoatm".
Username used to authenticate with the ADSL service.
VCI of ADSL connection
VPI of ADSL connection
Encapsulation of ADSL connection. Can be "vcmux" or "llc".