Cisco Cisco ASR 5000
SGSN Service Configuration Procedures
▀ Configuring the DNS Client Context for APN and SGW Resolution (Optional)
▄ SGSN Administration Guide, StarOS Release 18
Control Profile, then by default it 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 under the
Call Control Profile, then by default the system will look for the DNS client in the context where the SGTP
service is configured for selecting co-located PGW/GGSNs if:
defined. If the interface selected for a UE is gn-gp, and if there is no dns-pgw context configured under the
Call Control Profile, then by default the system will look for the DNS client in the context where the SGTP
service is configured for selecting co-located PGW/GGSNs if:
The UE is EPC capable and,
apn-resolve-dns-query snaptr is configured under an APN Profile.
dns-sgw
context
specifies the name of the context where the DNS client is configured and that will be used for
DNS resolution of SGWs. If dns-sgw is not configured, the S4-SGSN uses the DNS client configured in the
context where EGTP service is configured to query the SGW DNS address.
context where EGTP service is configured to query the SGW DNS address.