Chapter 3. Configuring Directory Databases
80
3. Select the
Check local ACI
checkbox to enable the evaluation of local ACIs on the intermediate
database links involved in cascading chaining. Selecting this checkbox may require adding the
appropriate local ACIs to a database on the servers that contain intermediate database links.
4. Enter the maximum number of times a database link can point to another database link in the
Maximum hops
field.
By default, the maximum is
10
hops. After
10
hops, a loop is detected by the server, and an error
is returned to the client application.
5. Click
Save
.
NOTE
Changes made to the default settings of a database link are not applied retroactively. Only
the database links created after changes are made to the default settings will reflect the
changes.
3.3.7.3. Configuring Cascading Chaining Using the Console
To configure cascading chaining for a particular set of database links, do the following:
1. In the Directory Server Console, select the
Configuration
tab.
2. Expand the
Data
folder in the left pane, and locate the database link to include in a cascading
chain. Click the database link, then click the
Limits and Controls
tab in the right navigation pane.
3. Select the
Check local ACI
checkbox to enable the evaluation of local ACIs on the intermediate
database links involved in the cascading chain. Selecting this checkbox may require adding the
appropriate local ACIs to the database link.
4. Enter the maximum number of times a database link can point to another database link in the
Maximum hops
field.
By default, the maximum is ten hops. After ten hops, a loop is detected by the server, and an error
is returned to the client application.
5. Click
Save
.
3.3.7.4. Configuring Cascading Chaining from the Command Line
To configure a cascade of database links through the command line, do the following:
1. Point one database link to the URL of the server containing the intermediate database link.
To create a cascading chain, the
nsFarmServerURL
attribute of one database link must contain
the URL of the server containing another database link. Suppose the database link on the server
called
example1.com
points to a database link on the server called
africa.example.com
. For
example, the
cn=
database_link,
cn=chaining database, cn=plugins,cn=config
entry of
the database link on Server 1 would contain the following:
nsFarmServerURL: ldap://africa.example.com:389/
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