Christopher Pharo Glæserud writes: > This is just a hunch, but isn't this because the pppoe-header requires x > bytes of headerspace and limits the MRU/MTU to 1482 or something? Pppoe adds 8 bytes, so in order to keep the outgoing packets at no more than 1500 the MTU is clamped at 1492. 1454 is actually slightly better due to more efficient ATM cell packing, but the difference is miniscule. -- John Hasler