Draytek VigorAccess User's Installation Manual page 52

3.5 ATM Features
IP DSLAM supports some functions about ATM issue.
3.5.1 Remote CPE Management
IP DSLAM supports RAW AAL5 interface for remote CPE management.
3.5.2 Diagnostic Testing
IP DSLAM supports OAM-I.610 end-to-end and segment loop back and DELT.
3.5.3 Dynamic Modification
IP DSLAM supports a lot of dynamic modifications and is shown as below.
VPI/VCI value (VC should be disabled)
Transmit and receive PDU sizes
Management mode modification per port
Max VPI/VCI bits (interface must be disabled)
Maximum number of VCCs supported
OAM source ID
VigorAccess User Installation Guide
52