I'm trying to configure replication between two hosts using the following as a guideline:

https://www.server-world.info/en/note?os=CentOS_7&p=openldap&f=5

Here are some notes I have based on the setup I've done:

##### REPLICATION ON Master #####

[root@ldap01 ~]# more mod_syncprov.ldif dn: cn=module,cn=config objectClass: olcModuleList cn: module olcModulePath: /usr/lib64/openldap olcModuleLoad: syncprov.la

[root@ldap01 ~]# ldapadd -Y EXTERNAL -H ldapi:/// -f mod_syncprov.ldif SASL/EXTERNAL authentication started SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth SASL SSF: 0 adding new entry "cn=module,cn=config"

[root@ldap01 ~]# more syncprov.ldif dn: olcOverlay=syncprov,olcDatabase={2}hdb,cn=config objectClass: olcOverlayConfig objectClass: olcSyncProvConfig olcOverlay: syncprov olcSpSessionLog: 100 [root@ldap01 ~]#

[root@ldap01 ~]# ldapadd -Y EXTERNAL -H ldapi:/// -f syncprov.ldif SASL/EXTERNAL authentication started SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth SASL SSF: 0 adding new entry "olcOverlay=syncprov,olcDatabase={2}hdb,cn=config"

[root@ldap01 ~]#

##### REPLICATION ON Slave #####

[root@ldap02 ~]# more syncrepl.ldif dn: olcDatabase={2}hdb,cn=config changetype: modify add: olcSyncRepl olcSyncRepl: rid=001 provider=ldap://172.19.33.42:389/ bindmethod=simple binddn="cn=admin,dc=ZZZ,dc=ZZZ" credentials=password searchbase="dc=ZZZ,dc=ZZZ" scope=sub schemachecking=on type=refreshAndPersist retry="30 5 300 3" interval=00:00:05:00

[root@ldap02 ~]# ldapadd -Y EXTERNAL -H ldapi:/// -f syncrepl.ldif SASL/EXTERNAL authentication started SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth SASL SSF: 0 modifying entry "olcDatabase={2}hdb,cn=config"

[root@ldap02 ~]#

# Testing LDAP ldapsearch -x -b 'uid=testaccount,ou=People,dc=ZZZ,dc=ZZZ'

Both LDAP hosts work in the sense that I can authenticate to them. But replication is not working.

Please help.

TIA