Cisco Cisco ASR 5000
Engineering Rules
▀ Service Rules
▄ SGSN Administration Guide, StarOS Release 18
Service Rules
The following engineering rules define the limits for the various services configured on the SGSN (system):
Important:
Maintaining a large number of services increases the complexity of management and may impact
overall system performance. Therefore, we recommend that you limit the number of services that you configure and that
you talk to your Cisco Service Representative for optimization suggestions and additional information on service limits.
you talk to your Cisco Service Representative for optimization suggestions and additional information on service limits.
Table 56. Service Rules for the SGSN
Features
Limits
Comments
Maximum number of (all) services
(regardless of type) configurable per SGSN
(system).
(regardless of type) configurable per SGSN
(system).
256
This limit includes the number of GPRS services, SGSN services, SGTP
services, IuPS Services, and MAP Services.
services, IuPS Services, and MAP Services.
Max. number of eGTP services supported
by a GPRS/SGSN service.
by a GPRS/SGSN service.
1
When configured for S4-SGSN.
The same eGTP service should be associated with both the GPRS and the
SGSN service.
The same eGTP service should be associated with both the GPRS and the
SGSN service.
Max. number of HSS peer services
supported by a single GPRS or SGSN
service.
supported by a single GPRS or SGSN
service.
1
When configured for S4-SGSN.
Max. number of Gs services supported by a
single GPRS or SGSN service.
single GPRS or SGSN service.
1
Although the limit is 1 Gs Service configured per GPRS Service or SGSN
Service, SGSN service can access multiple Gs Services using Operator
Policies.
Service, SGSN service can access multiple Gs Services using Operator
Policies.
Max. number of MAP services supported
by a single GPRS (2G) or SGSN (3G)
service.
by a single GPRS (2G) or SGSN (3G)
service.
1
Although the limit is 1 MAP Service configured per GPRS Service or
SGSN Service, the GPRS or SGSN service can access multiple MAP
Services using Operator Policies.
SGSN Service, the GPRS or SGSN service can access multiple MAP
Services using Operator Policies.
Max. number of Gs services supported on
an SGSN (system)
an SGSN (system)
12
Maximum number of LACs per Gs service
128
Max. number of MAP Service
configurations supported by a single SCCP
network.
configurations supported by a single SCCP
network.
1
Max. number of SGTP services supported
by a single GPRS or SGSN service.
by a single GPRS or SGSN service.
1
Although the limit is 1 SGTP Service configured per GPRS Service or
SGSN Service, the GPRS or SGSN service can access multiple SGTP
Services using Operator Policies.
SGSN Service, the GPRS or SGSN service can access multiple SGTP
Services using Operator Policies.