hi elder, depends on what you want. normally the smallest allowed prefixes on the internet are /24. you should always try to be as specific as possible in order to avoid strange behavior.
I think you only have 1 prefix to reject do then its better build a reject filter as a permit filter would be too hard to maintain Kind regards kurt Op do 21 feb. 2019 17:31 schreef Elder Costa <elder.co...@talklink.com.br: > Thanks Kurt ! > This what i needed ! > Plus one question... > What would be the best practice in building this filter ? > Would have with build for reject when gateway is a specific, our just by > net ? > > > ------------------------------ > *De: *"Kurt Wauters" <kuwaut...@gmail.com> > *Para: *"Elder Costa" <elder.co...@talklink.com.br> > *Cc: *"bird-users" <bird-users@network.cz> > *Enviadas: *Quinta-feira, 21 de fevereiro de 2019 12:03:56 > *Assunto: *Re: Reject route > > an inbound bgp filter where you reject the route, no? > > Op do 21 feb. 2019 14:59 schreef Elder Costa <elder.co...@talklink.com.br: > >> Hi !!! >> I need reject one route to AS coming from one AS particular... >> Is there are possibility ? >> The objective are use other link to upstream... >> Thank so much ! >> >> >
