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Cisco Prime Network 4.0 User Guide
OL-29343-01
Chapter 25 Monitoring Mobile Technologies
Monitoring the Mobility Management Entity
UE DB Purge Timeout The amount of time (in minutes) after which the User Equipment is atta ched
to the MME service and reuses the previously established security
parameters.
Note The UE database is maintained by the MME as a cache of the EPS
context for each UE. This cache is maintained in each session
manager where the UE was attached first.
eNodeB Cache Timeout The timeout duration (in minutes) for the eNodeB Cache. This field defau lts
to 10.
MME Offloading Indicates whether the MME offloading feature is enabled.
Note You must configure the load balancing parameters beforehand. For
example, if you want to remove all existing subscribers from the
MME and route new entrants to the pool area, then you must spec ify
the weight as zero.
Global MMEID
MgmtDB The global MME ID management database for the MME servic e.
GTPv2 Piggy Bagging Indicates whether the GTPv2 piggy backing feature is enabled.
Note The MME service sends a piggy backing flag to a P-GW to
determine if the dedicated bearer creation is piggy ba cked o nt o the
message.
NRI tab
PLMN Id The PLMN ID of the MME service.
Note This code is made up of the Mobile Country Code (MCC) and
Mobile Network Code (MNC). You can configure a maximum of 16
PLMN IDs for an MME service.
Length (bits) The number of bits in the Packet domain Temporary Mobile Subscriber
Identity (P-TMSI) to be used as the Network Resource Identifier (NRI).
PGW Address tab
IP Address The IP address of the PDN Gateway (P-GW).
Note The P-GW address is used to configure P-GW discovery and it uses
TP/P-MIP protocol for S5 and S8 interface and other parameters
with MME service.
S5 S8 Protocol The P-MIP protocol type to be used for S5 and S8 interfaces. By default, the
GTP protocol is used for these interfaces.
Table 25-86 MME Service Details (continued)
Field Description