Cisco Cisco Packet Data Interworking Function (PDIF) Documentation Roadmaps
ASN Gateway Overview
ASN Call Procedure Flows ▀
Cisco ASR 5000 Series Product Overview ▄
OL-22937-01
Figure 73. BS initiated Uncontrolled Intra-ASN Gateway Handover Action Phase
Serving
ASN BS
Anchor ASN-GW/
Authenticator
MN
Data Path Established
2
3
9
11
12
13
14
15
R6 DP Established
16 (DP De-registration Process)
17
Target
ASN BS
Data Path Established
6
8
4
5
7
10
Network Re-entry Completion
R8_HO_Req_Timer
HO-Conf
HO-Ack
MAC_Context-Req
MAC_Context-Req
MAC_Context-Rep
MAC_Context-Rep
Auth_Context-Req
Auth_Context-Rep
RNG-Req
DP_Reg-Req
DP_Reg-Rsp
DP_Reg-Ack
Key_Count-Update
Key_Count-Ack
Table 50.
BS initiated Uncontrolled Intra-ASN Gateway Handover Action Phase Description
Step
Description
1
Handover preparation phase is completed and data path is established.