Dear Marcio,What is your use case for extensive manipulation of the AS_PATH?Kind regards,JobOn Fri, 14 Sep 2018 at 16:02, Marcio <marciovinicius.santos@uniriotec.br> wrote:Dear,Could you help me with an information? Is there a way to generate an announce modifying the AS Path field using BIRD? For example, i´d like to announce a prefix with a false AS Path field where i could change it, inserting or removing an AS.