User's Manual 126 Document #: LTRT-42060
Mediant 2600 E-SBC
12.8 DNS
You can use the device's embedded domain name server (DNS) or an external, third-party
DNS to translate domain names into IP addresses. This is useful if domain names are used
as the destination in call routing. The device supports the configuration of the following
DNS types:
Internal DNS table - see ''Configuring the Internal DNS Table'' on page 126
Internal SRV table - see ''Configuring the Internal SRV Table'' on page 127
12.8.1 Configuring the Internal DNS Table
The Internal DNS table, similar to a DNS resolution, translates up to 20 host (domain)
names into IP addresses. This functionality can be used when a domain name (FQDN) is
configured as an IP destination in a routing rule. Up to three different IP addresses can be
assigned to the same host name.
Note: The device initially attempts to resolve a domain name using the Internal DNS
table. If the domain name is not configured in the table, the device performs a DNS
resolution using an external DNS server for the related IP network interface (see
''Configuring IP Network Interfaces'' on page 112).
The following procedure describes how to configure the DNS table in the Web interface.
You can also this using the table ini file parameter, DNS2IP or CLI command, configure
voip > voip-network dns dns-to-ip.
To configure the internal DNS table:
1. Open the Internal DNS Table page (Configuration tab > VoIP menu > Network >
DNS > Internal DNS Table).
2. Click Add; the following dialog box appears:
Figure 12-10: Internal DNS Table - Add Record Dialog Box
3. Configure the DNS rule, as required. For a description of the parameters, see the
table below.
4. Click Submit; the DNS rule is added to the table.
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