EXFO ETS-1000G - Manual (Page 36)

Preparing RFC 2544 for Analysis
26 ETS-1000G
Main header parameters
Main header parameters
Header parameters can be set using the menu
RFC 2544 > Setup > Header.
When setting MAC addresses, account must be taken of the following
aspects:

The source interface MAC address should be used for specifying the
sender's MAC address.

If there is a direct connection between the source and the destination
without any intermediate routers, the destination interface MAC
address should be used for specifying the destination MAC address.

If there is at least one router between the source and the destination,
the MAC address of the router which is nearest to the source should be
specified as the destination MAC address.
Src MAC A sender's MAC address.
Dst MAC A destination MAC address.
Src IP A sender's IP address.
Dst IP A destination IP address.