ADSL is complex:
- (3) Connections types (Bridged, PPPoA, PPPoE)
- (6) Different operating system
- (6) Possible ADSL modems
- (3) Major inside wiring configurations
- (7) Different loop length ranges
- (3) Different DSLAM types
That's 3 x 6 x 6 x 3 x 7 x 3 = 6,804 permutations!
A methodical, scientific troubleshooting approach is essential:
ADSL Troubleshooting Flow