Cisco ASR 5000 Series - Network Triggered Network Exit

ASN Gateway Overview
ASN Call Procedure Flows ▀
Cisco ASR 5000 Series Product Overview ▄
OL-22938-02
Table 31. MS Triggered Network Exit Call Flow Description
Step
Description
1
MS sends DREG_REQ message to ASN BS in serving ASN, including De-Registration_Request Code=0x00.
2
ASN BS sends R6 Path_Dereg_Req message to ASN Gateway.
3
ASN Gateway/FA and HA starts MIP release procedure.
4
ASN Gateway/FA starts MS context delete procedure.
5
ASN Gateway sends Accounting-Stop-Request (Release Indication) message to AAA.
6
AAA replies with Accounting-Stop-Response message to ASN Gateway.
7
ASN Gateway/FA replies with Path_Dereg_Response message to ASN BS.
8
ASN BS sends DREG_CMD message to MS, including Action Code=0x04.
9
ASN BS sends R6 Path_Dereg_Ack to the ASN Gateway and related entities releases the retained MS context and the
assigned data path resource for the MS.
Network Triggered Network Exit
This section describes the procedure of a network triggered network exit for a WiMAX Subscriber Station (SS) or MS
in normal mode.
The following figure provides a high-level view of the steps involved for a network-triggered network exit of an SS/MS
in normal mode. The following table explains each step in detail.