The value of tmnxPppHdrCompression specifies Address Control Field
Compression (ACFC) and Protocol Field Compression (PFC) behaviour over
this PPP link as detailed below.
tmnxPppHdrCompression| Protocol action
---------------------|-----------------------------------------------
acfc | ACFC is requested in config requests sent and
| accepted in config request received
pfc | PFC is requested in config requests sent and
| accepted in config request received