Delay Value IE Support in MME

Feature Summary and Revision History

Summary Data

Applicable Product(s) or Functional Area

MME

Applicable Platform(s)

  • ASR 5500

  • VPC-DI

  • VPC-SI

Default Setting

Enabled - Configuration Required

Related Changes in This Release

Not Applicable

Related Documentation

  • Command Line Interface Reference

  • MME Administration Guide

  • Statistics and Counters Reference

Revision History

Revision Details

Release

MME sends configured delay value as “Data Notification Delay" in DDN-ACK and "Delay Downlink Packet Notification Request" IE in Modify-Bearer-Request to SGW.

21.12.2

First introduced.

Pre 21.9

Feature Changes

Previous Behavior: MME does not support sending of delay value IE in Modify Bearer Request and DDN Ack messages towards SGW.

New Behavior: MME sends configured delay value as “Data Notification Delay" in DDN-ACK and "Delay Downlink Packet Notification Request" IE in Modify-Bearer-Request to SGW. When delay value is not configured, this IE will not be included in DDN-ACK and Modify bearer request messages.

Command Changes

This section provides information on the CLI commands to configure Delay Value IE Support in MME.

ddn-delay

Use the following configuration to configure ddn-delay value. 

configure  
   context  context_name 
      mme-service mme-service_name 
         ddn-delay ddn-delay_value 
         no ddn-delay 
         end

NOTES:

  • no : Removes the configured downlink-data-notification delay value.

  • ddn-delay Configures the downlink-data-notification delay value in multiples of 50 milliseconds. ddn-delay_value is an integer and it must be between 0 and 255.

Performance Indicator Changes

This section provides information regarding show commands and/or their outputs in support of this feature.

Show Commands and Outputs

show mme-service all

The output of this command includes "DDN Delay Value".