7.7.62 Additional Trace Info

29.0603GPPGeneral Packet Radio Service (GPRS)GPRS Tunnelling Protocol (GTP) across the Gn and Gp interfaceRelease 17TS

The additional Trace Info is used to inform the GGSN of the additional trace parameters. An Additional Trace Info consists of Trace Reference2, Trace Recording Session Reference, triggering events in GGSN, Trace Depth, List of interfaces to trace in GGSN and a Trace Activity Control. The encoding are defined in 3GPP TS 32.422 [31].

The Trace Activity Control is used to indicate to GGSN whether the Trace is activated or deactivated.

Bits

Octets

8

7

6

5

4

3

2

1

1

Type =162 (Decimal)

2-3

Length = 9

4-6

Trace Reference2

7-8

Trace Recording Session Reference

9

Triggering events in GGSN

10

Trace Depth

11

List of interfaces in GGSN

12

Trace Activity Control

Figure 7.7.62.1: Additional Trace Info Information Element

Trace Activity Control

Value (Decimal)

Trace Activation

1

Trace Deactivation

0

All other values are reserved

Figure 7.7.62.2: Trace Activity Control Value