Cisco Cisco Packet Data Gateway (PDG)
dns-pgw
Defines the context to be used to do DNS lookup for P-GWs.
Product
MME
SGSN
Privilege
Security Administrator, Administrator
Command Modes
Exec > Global Configuration > Call Control Profile Configuration
configure > call-control-profile profile_name
Entering the above command sequence results in the following prompt:
[local]
host_name
(config-call-control-profile-
profile_name
)#
Syntax Description
[ remove ] dns-pgw context ctxt_name
remove
Deletes this definition from the call control profile.
context ctxt_name
Specifies the context to be used to do DNS lookup for P-GWs as an alphanumeric string of 1 through 64
characters.
characters.
On the S4-SGSN, if the interface selected for a UE is S4 and if there is no DNS-PGW context configured
under a call control profile, then by default the system will look for the DNS client in the context where the
eGTP service is defined. If the interface selected for a UE is Gn-Gp and if there is no dns-pgw context
configured in a call control profile, then by default the S4-SGSN will look for the DNS client in the context
where the SGTP service is configured for selecting a co-located PGW/GGSN if:
under a call control profile, then by default the system will look for the DNS client in the context where the
eGTP service is defined. If the interface selected for a UE is Gn-Gp and if there is no dns-pgw context
configured in a call control profile, then by default the S4-SGSN will look for the DNS client in the context
where the SGTP service is configured for selecting a co-located PGW/GGSN if:
• the UE is EPC capable and,
• apn-resolve-dns-query snaptr is configured in an APN profile using APN Profile Configuration Mode.
If the dns-pgw context is deleted with the remove option, the S4-SGSN chooses the DNS client from the
context where the eGTP service is configured.
context where the eGTP service is configured.
Usage Guidelines
Use this command to configure the context ID for the DNS lookup.
Examples
dns-pgw context pgw1
Command Line Interface Reference, Modes C - D, StarOS Release 19
70
Call Control Profile Configuration Mode
dns-pgw