Is the FRS2 Protocol DFSR?

Is the FRS2 Prootcol DFRS?

I have DFS Replication group between 2 2008 R2 boxes.  When looking at the frame details betwen the 2 boxes negotiating a port to use; I see FRS2 as the protocol.  So is FRS2 DFSR?Image may be NSFW.
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