для Cisco Cisco Packet Data Gateway (PDG)
MME Changes in Release 17
MME Enhancements for 17.0 ▀
Release Change Reference, StarOS Release 17 ▄
293
The following new bulk statistic has been added to the MME schema to track the total number of Cell Traffic Trace
messages received from all eNodeBs.
messages received from all eNodeBs.
s1ap-recdata-celltrfctrc
show session trace statistics
The following fields have been added to report the total number of received Cell Traffic Trace files generated and
deleted:
deleted:
Number of Cell Traffic Trace files generated
Number of Cell Traffic Trace files deleted
No space
TCE Timeout
show mme-service statistics s1ap
The following field has been added to report the total number of received Cell Traffic Trace signals for all MME
services:
services:
Cell Traffic Trace
CSCuf59965, CSCum41122, CSCum55668 - Customized Inter-MME/SGW S1-
Handover & TAU Procedure for PS-LTE Support
Feature Changes
Customized Inter-MME/SGW S1-Handover & TAU Procedure for PS-LTE Support
In the Public Safety LTE (PS-LTE) network, every MME is co-located with an S-GW and at least one P-GW, and the
MME must always use the co-located S-GW and a co-located P-GW for all calls that it handles. This requires
configuring the IP addresses of the S11 interface of the S-GW as part of the MME service configuration, and the S5/S8
interface of the P-GW as part of an APN profile configuration. An MME configured for PS-LTE network operation will
not send any DNS queries for S-GW or P-GW lookups; it will only use the S-GW configured for PS-LTE operation and
the P-GW configured in the matching APN profile, regardless of any other configuration present.
MME must always use the co-located S-GW and a co-located P-GW for all calls that it handles. This requires
configuring the IP addresses of the S11 interface of the S-GW as part of the MME service configuration, and the S5/S8
interface of the P-GW as part of an APN profile configuration. An MME configured for PS-LTE network operation will
not send any DNS queries for S-GW or P-GW lookups; it will only use the S-GW configured for PS-LTE operation and
the P-GW configured in the matching APN profile, regardless of any other configuration present.
All intra-MME S1 and X2 handovers and all TAU Requests with a local GUTI will be serviced by the same S-GW that
is configured for PS-LTE network operation with the P-GW(s) used at the time of the initial Attach or relocation to the
MME. S-GW relocation is neither necessary nor supported for intra-MME handovers or intra-MME TAU Requests
is configured for PS-LTE network operation with the P-GW(s) used at the time of the initial Attach or relocation to the
MME. S-GW relocation is neither necessary nor supported for intra-MME handovers or intra-MME TAU Requests
This feature allows the co-location of the MME, P-GW and S-GW nodes for Public Safety deployments.
This feature requires that a valid license key be installed. Contact your Cisco Account or Support representative for
information on how to obtain a license.
information on how to obtain a license.
Command Changes
ps-lte