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Cisco Prime Network 4.0 User Guide
OL-29343-01
Chapter 25 Monitoring Mobile Technologies
GPRS/UMTS Networks
• IP: Method for IP address allocation (e.g., local allocation by GGSN, Mobile IP, Dynamic Host
Control Protocol (DHCP), DHCP relay, etc.). IP address ranges, with or without overlapping ranges
across APNs.
• Tunneling: PPP may be tunneled with L2TP. IPv4 may be tunneled with GRE, IP-in-IP or L2TP.
Load-balancing across multiple tunnels. IPv6 is tunneled in IPv4. Additional tunneling techniques,
such as, IPsec and VLAN tagging may be selected by the APN, but are configured in the GGSN
independently from the APN.
• QoS: IPv4 header ToS handling. Traffic rate limits for different 3GPP traffic classes. Mapping of
R98 QoS attributes to work around particular handset defections. Dynamic Q o S renegot ia tion
(described elsewhere).
You can configure the APN parameters using Prime Network Vision. You can view the configured
parameters for an APN in the logical inventory . After an APN is d etermined b y the GGSN, the subscriber
may be authenticated/authorized with an AAA server. The GGSN allows the AAA server to return
Vendor Specific Attributes (VSAs) that override any or all of the APN configuration. This allows
different subscriber tier profiles to be configured in the AAA server, and passed to the GGSN during
subscriber authentication/authorization.
The following topics explain how to work with APN in Prime Network Vision:
• Viewing APN Properties, page 25-14
• Viewing Additional Characteristics of an APN, page 25-18
• APN Commands, page 25-22
Viewing APN Properties
Prime Network Vision displays the APNs in an APN container under the Mo bile nod e in t he logi cal
inventory. You can also view additional characteristics configured on the APN as explained in Viewing
Additional Characteristics of an APN, page 25-18. The icon used for representing APNs in the logical
inventory is explained in Logical Inventory Icons, page A-7.
To view APN properties:
Step 1 Right-click the required device in Prime Network Vision and choose Inventory.
Step 2 In the logical inventory window, choose Logical Inventory >Context > Mobile > APN
Container >APN.
Table 25-10 describes the information that is available for the APN. The information that is displayed
depends on the configuration of the APN.
Table 25-10 APN Properties in Logical Inventory
Field Description
APN Name The APN name.
Accounting Mode The accounting protocol in use in the APN. Values are GTPP (GPRS
Tunneling Protocol Prime), RADIUS (Remote Authentication Dial In User
Service), or None.
Selection Mode The selection mode in use in the APN. Selection mode indicates the origin
of the requested APN and whether or not the Home Location Register (HL R)
has verified the user subscription.
L3 to L2 Address Policy The layer 2 to layer 3 IP address allocation or validation policy.