Obrigado pelo ótimo conteúdo @William Neumann , sanou minhas dúvidas. 

Thanks for your reply, I had the same problem in my bgp lab. To be more specific, my laboratory contains 3 ASN each with 2 iBGP peers, when I used the command "sh ip bgp nei 10.1.1.2 received-routes" received a message:"%Inbound soft reconfiguration ...

Boa linha de raciocínio e reflexão.