Cisco ASR 5000 series Product Overview page 209

ASN Gateway Overview
Figure 62.
MS/SS
Table 46. PMIP4 Session Release Call Flow Description
Step Description
1 The session release trigger send by MS sending DHCP-Release message to the ASN GS or DHCP proxy has expired on
lease time or FA initiates session release.
2 ASN Gateway initiates the session release with PMIPv4 client by sending FA_Revoke_Req and sends PMIP De-Reg RRQ
(Registration Revocation) message to CSN HA.
3 CSN HA starts release of MIP binding.
4 CSN HA sends PMIP De-Reg RRQ (Registration Revocation) message to ASN Gateway and PMIP client sends
GA_Revoke_Rsp message to ASN Gateway.
9 WiMAX session terminated between MS and CSN HA.
OL-22938-02
PMIP4 Session Release Call Flow
ASN GW/PMIP/ FA/
1
2
6
7
8
DHCP Proxy
9
CSN HA
3
4
5
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