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Cisco ASR 5000 Series User Manual

Cisco ASR 5000 Series
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Features and Functionality - Base Software â–€
Cisco ASR 5000 Series Product Overview â–„
OL-22938-02
Management initiation at HSS with trace activation via authentication response messages over S6a reference
interface
Signaling based activation through signaling from subscriber access terminal
The session level trace function consists of trace activation followed by triggers. The time between the two events is
treated much like Lawful Intercept where the EPC network element buffers the trace activation instructions for the
provisioned subscriber in memory using camp-on monitoring. Trace files for active calls are buffered as XML files
using non-volatile memory on the local dual redundant hard drives. The Trace Depth defines the granularity of data to
be traced. Six levels are defined including Maximum, Minimum and Medium with ability to configure additional levels
based on vendor extensions.
All call control activity for active and recorded sessions is sent to an off-line Trace Collection Entity (TCE) using a
standards-based XML format over a FTP or secure FTP (SFTP) connection.
Note: In the current release the IPv4 interfaces are used to provide connectivity to the TCE. Trace activation is based on
IMSI or IMEI and only Maximum Trace Depth is supported in this release.
The following figure shows a high-level overview of the session-trace functionality and deployment scenario:
Figure 204. Session Trace Function and Interfaces
Trace Collection
Entity
Offline
Storage
EPS Network
Entity
IP Connectivity
FTP/S-FTP
FTP/S-FTP
FTP/S-FTP
FTP/S-FTP
EPS Network
Entity
EPS Network
Entity

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Cisco ASR 5000 Series Specifications

General IconGeneral
BrandCisco
ModelASR 5000 Series
CategoryNetwork Router
LanguageEnglish

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