Oh, I found that the translation tool seems to delete the semicolon in the function configuration, but it actually exists. ________________________________ 寄件者: haima 寄件日期: 2023年1月23日 22:44 收件者: bird-users@network.cz <bird-users@network.cz> 主旨: Question: ROA verification does not work properly on bird 2.0.11 Hello dear community members, I am configuring RPKI verification for my network, but I have encountered a strange syntax error problem. My configuration is as follows: roa4 table roa_table4; roa6 table roa_table6; protocol rpki Cloudflare_RPKI { roa4 { table roa_table4; }; roa6 { table roa_table6; }; remote "172.65.0.2" port 8282; retry keep 90; refresh keep 900; expire keep 172800; } function is_rpki_invalid () { } if roa_check(roa_table4, net, bgp_path.last) = ROA_INVALID then return true if roa_check(roa_table6, net, bgp_path.last) = ROA_INVALID then return true; return false; } bird will return the following error: /etc/bird/function.conf:59:22 Syntax error, unexpected CF_SYM_UNDEFINED, expecting CF_SYM_KNOWN This error is also returned by the example configuration provided in the documentation. PS: RPKI session placed in bird.conf PS: Function placed in function.conf Regards, Haima MoeBee Network