cPanel DNS cluster - force sync zones to cPanel Slave Only from command line

1. Enable DNS cluster
2. Add cPanel Slave Only to MASTER as 'Synchronize changes'
3. Run from command line on master:

/usr/local/cpanel/scripts/dnscluster syncall --full

Check how many zones listed on slave:

[12:07:15 SLAVE root@XXXXXX ~]cPs# /usr/local/cpanel/whostmgr/bin/dnsadmin --action GETZONELIST --localonly|wc -l
1300