Problem with addon/parked domain + master nameserver!!

[mr_hack]

Hello. I have very strange problem. I have master nameserver and 4 slave server. Yesterday i setup new slave server (with Fedora Core 2)and i have follow problem -
If my client try create via cpanel addon/parked domain, dns zone not transfered to master server!!! I check all my previous server, checked /etc/ssh/*, iptables, but problem not fixed. Please, help me, how i must setup slave server for connect to master server.
Big thaks. Alexander.

[webignition]

Have you establilshed a trust relationship with the primary server on the new slave server?

[mr_hack]

Have you establilshed a trust relationship with the primary server on the new slave server?

yes. i'm working with cpanel/whm 2 years, but this problem i have first time ;(
Do you know, how fixed (maybe remake) trustrelationship, step by step?