Virtual Path Identifier (VPI). The value for VPI is communicated by the ADSL/VDSL network operator. The default value is for Deutsche Telekom.
- SNMP ID:
 - 2.42.3.3
 - Console path:
 - Setup > xDSL > WAN-Bridge
 - Possible values:
 Max. 3 characters from [0-9}
- Default:
 - 1