EXFO FTB-800 Series for FTB-1 - Manual (Page 234)

Test Setup - Test Configurator, Timer, and System
224 FTB-700G/800 Series
Streams - Profile

Frame Size (Bytes) for Data profile is selectable: Fixed (default) or
Random. The Frame Size is forced to Fixed for Voice and Video
profiles.

For Fixed type, the frame size is as follow.
The following table lists each component that may affect the
minimum frame size value.
Profile Codec Frame Size
IPv4 IPv6
Voice VoIP G.711 138 158
VoIP G.723.1 82 102
VoIP G.729 78 98
Video All codec 1374 1394
Data - Programmable from 64
a
to 16000
b
a. 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.
b. The maximum frame size is limited to 10000 for 10/100/1000Mbps electrical
interface.
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