EXFO FTB-800 Series for FTB-1 - Manual (Page 163)

Test Setup - Test Configurator, Timer, and System
NetBlazer 153
MAC/IP/UDP
Preamble/SFD
Indicates that the frame structure contains the Preamble and SFD.
MAC

Source MAC Address indicates the default and unique Media Access
Control (MAC) address given to the Ethernet port.

Destination MAC Address: Enter the destination MAC address for the
stream. The default setting is the source MAC address. The destination
MAC Address field is not accessible when the Resolve MAC Address
check box is selected.

Resolve MAC Address check box, when selected (default), sends a
request to the network to retrieve the MAC address corresponding to
the selected destination IP address. This setting is coupled with the
Resolve MAC Address check box from IP on page 156. This check box
is not available when the Network Layer is set to None (refer to Modify
Frame Structure on page 152).

EtherType is not configurable and set to the following value:
0x0000 when Network Layer is set to None without MPLS Label.
0x0800 for IPv4
0x86DD for IPv6
0x8847 for MPLS
0x88B7 when Network Layer is set to None with EtherBERT test.

OUI, available when the frame format 802.3 SNAP is selected, allows
the selection of the Organizationally Unique Identifier (OUI):
RFC1042 (0x000000) - (default)
User Defined, available when Network Layer is set to None, allows to
enter the OUI value: 0x000000 (default) to 0xFFFFFF.