Before You Configure

Before you begin to configure DNS ALG service on the Oracle® Enterprise Session Border Controller, complete the following steps.

1. Configure the client realm that you are going to use in the main DNS ALG profile and note its name to use in this chapter’s configuration process.
2. Configure the server realm that contains the DNS servers and note its name to use in this chapter’s configuration process.
3. Determine the domain suffixes for the network where the DNS servers are located so that you can enter them in the domain suffix parameter.
4. Devise the NAT scheme that you want to use when the DNS reply transits the Oracle® Enterprise Session Border Controller.