Ethernet Packet Generator
USER GUIDE
APG-UG-V2-1
42
8 February 2018
6.5.2
Header Configuration
The packet headers and contents are configured in the Header Configuration Panel.
Editable Field
Expand Header
Fixed Field
Insert new header
Delete Header
Header Type
Field
Name
Variable Field
The available headers are extracted from an external configuration file when the APG Control
Interface starts. Header support is defined in the APG Header Guide [3].
Headers can be added or deleted:
Status
Description
Insert Header.
The 'next header' option depends on the previous header
eg: ETHERNET_II or VLAN headers can follow a MAC Header.
Delete Header
Editable fields are identified by a white editing box, and allow user values to be entered.
Fixed fields are greyed out, and cannot be changed.
Variable fields can be FIXED or INCREMENTING. A fixed field uses the field setting only.
Incrementing fields operate at byte level, not across the whole field. The
incr
value defines
the
step
, and max defines the maximum value.
6.5.3
Payload Configuration
Option
Setting
MODE
FIXED
Fixed, repeating DATA pattern
INCREMENT
Incrementing data byte, starting from the DATA byte,
wrapping from 0xFF to 0, repeating to the end of the
payload field.
DECREMENT
Decrementing data byte, starting from the DATA byte,
wrapping from 0 to 0xFF, repeating to the end of the
payload field.
RANDOM
Random byte generator
DATA
8 bytes (hex) eg: 00 11 22 33 44 55 66 77
Repeated to the end of the payload field
A
DATA
setting shorter than 8 bytes is extended
to 8 bytes with 00hex
OPTIONS
TIMESTAMP
Insert Timestamp checkbox
