Installing, Configuring and Administering the Kerberos Server V 2.0 on HP-UX 11i

Inter-realm
Hierarchical Inter-realm Trust
Chapter 8254
krbtgt/IT.JUNGLE.COM@BAMBI.COM allows the server in
IT.JUNGLE.COM to accept tickets from BAMBI.COM
Figure 8-1 Hierarchical Inter-realm Configuration
For inter-realm authentication in the other direction, two-way
hierarchical inter-realm authentication, these principals must also be
added:
krbtgt/FINANCE.JUNGLE.COM@BAMBI.COM allows the server in
FINANCE.JUNGLE.COM to accept tickets from BAMBI.COM
krbtgt/BAMBI.COM@IT.JUNGLE.COM allows the server in BAMBI.COM
to accept tickets from IT.JUNGLE.COM