New FRR command to show failed peers only

 

show bgp [afi] [safi] summary failed [json]

Show a bgp peer summary for peers that are not succesfully exchanging routes for the specified address family, and subsequent address-family.

http://docs.frrouting.org/en/latest/bgp.html#clicmd-showbgp[afi][safi]summaryfailed[json]