Point to Point Header (collapsible layer within
the decode)
PPP carrying Protocol Type - 0x0021 = IP
Handles PPP Compressed and UnCompressed Headers
and LCP Link Control Protocol and Protocol Control frames.
Higher Level Protocols (collapsible layers within the decode)
in this case TCP/IP with HTTP web datagram
2nd decode window opened on same packet to show TCP fields
Filters: filter on PPP fields and on all TCP/IP fields
