EXFO FTB/IQS-88000 Series Power Blazer for FTB-2/2Pro/500/IQS-600 - Manual (Page 243)

Test Setup - Test Configurator, Timer, and System
Power Blazer 231
Streams - Profile

For Sweep type, the first frame is generated starting with the
minimum number of bytes defined then each subsequent frame is
incremented by 1 byte until the maximum number of bytes is
reached and start over with minimum. The frame size range is
from 64 to either 10000 bytes for electrical interfaces or 16000 bytes
for optical interfaces; default is 1518 bytes. However, the minimum
frame size will be adjusted according to the frame structure and
components selected. The following table lists each component
that may affect the minimum frame size value.
The following table lists each component that may affect the minimum
frame size value.
Component Description
VLAN 4 bytes per VLAN (up to 2 VLAN)
MPLS 4 bytes per label (up to two labels)
UDP 8 bytes
Ethernet Header 14 bytes
IPv4 20 bytes
IPv6 40 bytes