100.29--主

100.40--从

主上操作

mysql> create user 'repl'@'192.168.100.40' identified by 'repl123';
Query OK, 0 rows affected (0.11 sec)

mysql> grant replication slave on *.* to 'repl'@'192.168.100.40';
Query OK, 0 rows affected (0.00 sec)

再从上

[root@pg40 ~]# mysql -h 192.168.100.29 -urepl -prepl123
mysql: [Warning] Using a password on the command line interface can be insecure.
ERROR 2003 (HY000): Can't connect to MySQL server on '192.168.100.29' (111)

[root@pgdan ~]# systemctl status firewalld.service
鈼firewalld.service - firewalld - dynamic firewall daemon
Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
Active: inactive (dead)

ping 100.29 100.40都没问题，防火墙也关闭，

请问怎么解决和排查

mysql-5.7 ---社区版