Configuring Support for DDNS Server Caching

Use the procedure below to enable the Oracle Communications Unified Session Manager to cache and manage DDNS servers for the purpose of efficiently forwarding ENUM queries to the servers responsible for the DNS zones identified in applicable SIP requests.

1. From superuser mode, use the following command sequence to access 
enum-config configuration mode.

   ORACLE# configure terminal
   ORACLE(configure)# session-router
   ORACLE(session-router)# enum-config

2. Use the select command to access the enum-config element or create a new one for the target ENUM root server.
3. Enable the ddns-ns-caching option.

   ORACLE(enum-config)# +option ddns-ns-caching

4. Use done, exit configuration mode, and run verify-config to complete DDNS cache support configuration.

   ORACLE(enum-config)# done
   ORACLE(enum-config)# exit
   ORACLE(session-router)# exit
   ORACLE(configure)# exit
   ORACLE# verify-config
   ---------------------------------------------------------------------
   Verification successful! No errors nor warnings in the configuration
   ORACLE#