Counter Enhancements on TAC and LAC Levels

Feature Summary and Revision History

Summary Data

Applicable Product(s) or Functional Area

MME

Applicable Platform(s)

  • ASR 5500

  • VPC-DI

  • VPC-SI

Feature Default

Enabled - Always-on

Related Changes in This Release

Not applicable

Related Documentation

  • MME Administration Guide

  • Statistics and Counters Reference

Revision History

Revision Details

Release

The counters that were introduced in release 21.17.9 are now supported in release 21.20.19.

21.20.19

New counters are added in the TAl schema

21.17.9

Feature Description

In StarOS 21.17 and later releases, counters on TAC and LAC level are enhanced to add them on TAI schema and LAC object. This is required to monitor basic KPI on TAL/LAC level. These counters calculates KPI pertaining to attach success ratio, quantity of attached idle or connect users, and Dedicated bearers success rate on TAC level.

Monitoring and Troubleshooting

Show Commands and Output

show mme-service statistics tai

This section provides information on the show commands available to support this feature.

Table 1. show mme-service statistics tai Output Descriptions
Field Description

ESM Statistics

NW Initiated Dedicated Bearer Activations

Attempted

This sub-group displays the total number of attempted ESM network intiated dedicated bearer activations for each TAI.

Success

This sub-group displays the total number of successful ESM network intiated dedicated bearer activations for each TAI.

Failures

This sub-group displays the total number of failed ESM network intiated dedicated bearer activations for each TAI.

Session Statistics

Total Subscribers

Attached Calls

The total number of EPS Mobility Management call-line statistics on attached current calls for each TAI.

Connected Calls

The total number of EPS Mobility Management call-line statistics on connected current calls for each TAI.

Idle Calls

The total number of EPS Mobility Management call-line statistics for each TAI indicating idle current calls.

EMM Control Messages

Received

Attach Complete

Displays total number of EMM Attach Complete message received from UE indicating increments for each Attach Complete message received from UE.

Attach Request

Displays total number of EMM Attach Requests received from UE indicating increments for each Attach Request message received from UE.

PDN Connectivity Reject:

Other Reasons

Displays total number of ESM messages sent for each TAI by the MME. This indicates that the PDN connection has been rejected for a cause other than one of those listed in the output generated by the show mme-service statistics esm-only command.

Bulk Statistics

TAI Schema

The following counters are available in the TAI schema.

Bulk Statistics

Description

tai-esm-msgtx-pdncon-rej-other-reasons

Shows the total number of ESM messages sent for each TAI by the MME. This indicates that the PDN connection is rejected for a cause other than one of those listed in the output generated by the show mme-service statistics esm-only command

tai-emm-msgrx-attach-req

Shows the total number of EMM Attach Requests received from UE. This is incremented for each Attach Request message received from UE.

tai-emm-msgrx-attach-complete

Shows the total number of EMM Attach Complete message received from UE. This is incremented for each Attach Complete message received from UE.

tai-emmcall-attach-currcall

Shows the total number of EPS Mobility Management call-line statistics on attached current calls for each TAI.

tai-emmcall-connect-currcall

Shows the total number of EPS Mobility Management call-line statistics on connected calls for each TAI.

tai-emmcall-idle-curcall

Show the total number of EPS Mobility Management call-line statistics on idle current calls for each TAI.

tai-dedi-brr-activation-nw-attempted

Shows the total number of ESM Network initiated dedicated bearer activations attempted for each TAI.

tai-dedi-brr-activation-nw-success

Shows the total number of successful ESM Network-initiated dedicated bearer activations for each TAI.

tai-dedi-brr-activation-nw-failures

Shows the total number of failed ESM Network-initiated dedicated bearer activations for each TAI.