Cisco ASR 5000 Series User Manual

ASN Gateway Overview
ASN Call Procedure Flows ▀
Cisco ASR 5000 Series Product Overview ▄
OL-22938-02
Figure 57. Call Flow Showing How Additional Quota is Obtained
PPS
(H-AAA)
ASN-GW
(PPC)
MS
Threshold Reached
1
4
3
IP Datagrams
Access-Request/PPAC
Threshold Reached
Quota Expiry
7
5
2
6
8
IP Datagrams
IP Datagrams
Access-Accept/PPAC
Access-Request/PPAC
Access-Accept/PPAC
Access-Accept
Access-Request/PPAC
Access-Accept/PPAC
Access-Request/PPAC
Table 41. Call Flow Showing How Additional Quota is Obtained
Step
Description
1
During network entry, a NAS sends an Access-Request packet to the HCSN. If the NAS supports a PPC, the NAS includes
the PPAC attributes, indicating it prepaid capabilities.
2
If the subscriber session is a prepaid session, the PPS (HAAA) assigns the initial prepaid quota(s) by including one or more
PPAQ attributes in the Access-Accept packet.
3
Once the threshold for the quota(s) is reached, the PPC sends an Authorize-Only Access-Request to request additional
quota. The request contains one or more PPAQs that indicate which quota(s) need to be replenished to the PPS.

Cisco ASR 5000 Series Specifications

General

Brand	Cisco
Model	ASR 5000 Series
Category	Network Router
Language	English