Endace DAG 3.7D, User Manual

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EDM01-06: DAG 3.7D Card User Guide
©2006 26 Version 1: March 2006
Pos HDLC
Record
The Type 1 PoS HDLC Record format is for HDLC data links. For
example:
•
Packet over SONET
•
Point-to-Point Protocol [PPP] over SONET
•
Frame Relay
The record is described below:
BYTE 3 BYTE 2 BYTE 1 BYTE 0
timestamp
timestamp
type 1 flags rlen
lctr wlen
HDLC Header
(rlen - 20) bytes of record
ATM Cell
record
The record format for the ATM cell capture is the Type 3 ATM cell record
ATM Header, it does not include the 8-bit HEC.
The record is shown below:
BYTE 3 BYTE 2 BYTE 1 BYTE 0
timestamp
timestamp
type 3 flags rlen
lctr wlen
ATM Header
48 bytes of cell