Full Duplex with SXT G-5HPacD

hi..

just found the following video on youtube which says Full Duplex using SXT G-5HPacD..

i did not understand if he is using 4 SXT with OSPF or any other form…

[youtube] https://www.youtube.com/watch?v=K1Gn7r7Jppk[/youtube]

I Ding See Full Duplex
It is only bw Test in One direction…

it is full duplex simulated using OSPF.