Cisco Cisco Packet Data Gateway (PDG)
GGSN Service Configuration Mode Commands
▀ dns-client
▄ Command Line Interface Reference, StarOS Release 17
5174
dns-client
This command defines the context name where a DNS client is configured. It associates an existing DNS client
configuration with the GGSN to perform a DNS query for P-CSCF, if a P-CSCF query request in an AAA message is
received from the Diameter node.
configuration with the GGSN to perform a DNS query for P-CSCF, if a P-CSCF query request in an AAA message is
received from the Diameter node.
Product
GGSN
Privilege
Security Administrator, Administrator
Mode
Exec > Global Configuration > Context Configuration > GGSN Service Configuration
configure > context context_name > ggsn-service service_name
Entering the above command sequence results in the following prompt:
[context_name]host_name(config-ggsn-service)#
Syntax
dns-client context dns_ctxt_name
{ no | default } dns-client context
no
Removes the association of DNS context which was configured to perform DSN query in this GGSN service.
default
Sets the default context for the DNS client.
dns_ctxt_name
Specifies the name of the context in which a DNS client configuration is present. Typically this should be the
same context in which this GGSN service is configured.
same context in which this GGSN service is configured.
dns_ctxt_name
is a context name and must be alphanumeric string of 1 through 79 characters.
Usage
Use this command to associate a DNS client configuration to perform DNS query used for the resolution of
P-CSCF query received in AAA message from Diameter peer, on the basis of DNS client parameters
configured in a context.
A DNS client configuration must be present in the same context as GGSN service before enabling this
command to perform DNS query for P-CSCF.
P-CSCF query received in AAA message from Diameter peer, on the basis of DNS client parameters
configured in a context.
A DNS client configuration must be present in the same context as GGSN service before enabling this
command to perform DNS query for P-CSCF.
Important:
This command is a license-enabled feature.
Example
The following command associates a DNS client configuration to perform DNS query for P-CSCF with this
GGSN service which is configured in same context as GGSN service:
GGSN service which is configured in same context as GGSN service: