EXFO FTB-8500 Series for FTB-500 - Manual (Page 224)

Stream Generation Tabs
210 FTB-8500 Series and FTB-8120NGE/8130NGE
Stream Configuration
The following table lists each component that may affect the
minimum size values.
Component Description
VLAN 4 bytes per VLAN (up to 3 VLAN)
PBB-TE 18 bytes
B-VLAN 4 bytes
MPLS 4 bytes per label (up to two labels)
Stream Tag 50 bytes
UDP 8 bytes
TCP 20 bytes
Ethernet Header 14 bytes
LLC and SNAP Headers 8 bytes
IPv4
20 bytes
IPv6 40 bytes