Create loopback interface (ej. bridge with no actual interfaces attached to it ) then set the advertised prefix /address to that interface. Considering you already got the BGP session established and the output prefix correctly set on bgp out filter. I had the same issue and got it solved this way. ...

Create loopback interface (ej. bridge with no actual interfaces attached to it ) then set the advertised prefix /address to that interface. Considering you already got the BGP session established and the output prefix correctly set on bgp out filter. I had the same issue and got it solved this way. ...