HelloFollowing topology:- 2 routers in confed 65000 (a1/a2)- 3 routers in confed 65100 (b1/b2/b3)- BGP sessiones between all of themNow a prefix advertised from a1/a2 to b1/b2/b3 gets readvertised from b1 to b2, b2 to b3, b3 to b1.If a1/a2 withdraw I...