Trust Properties - Name Suffix Routing Tab

Suffix: A list of name suffixes in the local forest.
Routing: Specifies the routing status of the corresponding name suffix.
Status: Specifies the status (conflicts, whether the name suffix is newly created, and so on) of the corresponding name suffix.

Applies To: Windows Server 2008, Windows Server 2008 R2, Windows Server 2012

Item	Details
Name suffixes in the <DNS name> forest:	Suffix : A list of name suffixes in the local forest. Routing : Specifies the routing status of the corresponding name suffix. Status : Specifies the status (conflicts, whether the name suffix is newly created, and so on) of the corresponding name suffix.
Enable	Click to set the routing status of the selected name suffix to Enabled.
Disable	Click to set the routing status of the selected name suffix to Disabled.
Refresh	Click to refresh the list of name suffixes in the local forest.
Edit	Click to exclude name suffixes from routing to the local forest.

Additional references