EXFO FTB-800 Series for FTB-1 - Manual (Page 204)

Test Setup - Test Configurator, Timer, and System
194 FTB-700G/800 Series
Services - Profile
The following table lists each component that may affect the minimum
frame size value.
Note: Sending traffic with frame size > 1518 in switched network may results in
losing theses frames.

EMIX button is available when EMIX type is selected. The EMIX frame
sequence is repeated until the test ends.
Quantity allows to select from 2 to 8 frames size values (default is 5).
EMIX Frame Sizes allows to set the EMIX frame sizes (default are 64,
128, 512, 1024, and 1518). The minimum frame size value is adjusted
according to the frame structure and components selected as shown
in the above table.
Restore Default button reverts the quantity and EMIX frame sizes to
their default values.
Component Description
VLAN 4 bytes per VLAN (up to 2 VLAN)
MPLS 4 bytes per label (up to two labels)
UDP 8 bytes
TCP 20 bytes
Ethernet Header 14 bytes
LLC and SNAP Headers 8 bytes
IPv4 20 bytes
IPv6 40 bytes