Cisco Cisco Packet Data Gateway (PDG)
MME Changes in Release 16
MME Enhancements for 16.0 ▀
Release Change Reference, StarOS Release 16 ▄
295
Handovers to other access (such as UTRAN, GERAN) are only supported after the S11 modify bearer
procedures with S-GW have been completed for all PDNs.
Performance Indicator Changes
MME Schema
The following new MME schema bulk statistics have been added to track the number of outbound and inbound non-
3GPP handovers that were attempted, were successful, and which failed.
3GPP handovers that were attempted, were successful, and which failed.
Note: During an inbound relocation, both the handover statistics and relevant attach/PDN connectivity statistics will be
incremented.
incremented.
out-non-3GPP-ho-attempted
out-non-3GPP-ho-success
out-non-3GPP-ho-failures
in-non-3GPP-ho-attempted
in-non-3GPP-ho-success
in-non-3GPP-ho-failures
System Schema
The system disconnect reason disc-reason-484 has been repurposed in this release as mme-reloc-to-non-3GPP and
now tracks the total number of session disconnects resulting from outbound handovers.
now tracks the total number of session disconnects resulting from outbound handovers.
show mme-service statistics
The output of the
show mme-service statistics
command now displays the number of outbound and inbound
non-3GPP handovers that were attempted, were successful, and which failed. Note that these counters increment on a
per-PDN basis, where all other handover counters increment on a per-UE basis.
per-PDN basis, where all other handover counters increment on a per-UE basis.
EUTRAN<-> non-3GPP Unoptimized Handovers:
Outbound relocation (Per PDN):
Attempted: 0 Success: 0
Failures: 0
Inbound relocation (Per PDN):
Attempted: 0 Success: 0
Failures: 0