如图所示,BFD绑定静态路由,管理员在防火墙A上做了如下配置:[USG6000A] bfd
[USG6000A-bfd] quit
[USG6000_A] bfd aa bind peer-ip 1.1.1.2
[USG6000_A-bfd-session-aa] discriminator local 10
[USG6000_A-bfd-session-aa] discriminator remote 20
[USG6000_A-bfd-session-aa] commit
[USG6000_A-bfd-session-aa] quit
对于该段配置,以下哪些说法是正确的?