You can create a temporary static route and redistribute it upstream using bgp while blocking the original one. But this is with implication that the route will be belonging to you AS# but it is for temporary anyway until your customer strips their AS prepend.
Benny _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp