1

UE supporting IPv4

‘IPv4’

2

UE supporting IPv6

‘IPv6’

U – S

Message

0

The SS performs the generic procedure to get UE in Loopback Activated (state 4) with a Reference default EPS bearer context #1 and Reference dedicated EPS bearer context #1 according to [18] on Cell A.

1

The SS transmits a MODIFY EPS BEARER CONTEXT REQUEST message with new TFT. This message is included in a DLInformationTransfer message.

<–

MODIFY EPS BEARER CONTEXT REQUEST

–

–

2

Check: Does the UE transmit a MODIFY EPS BEARER CONTEXT ACCEPT message?

–>

MODIFY EPS BEARER CONTEXT ACCEPT

1

P

3

Void

–

–

–

–

4

The SS transmits one IP Packet matching with new TFT (reference packet filter #3) but not existing uplink packet filters (reference packet filter #2).

–

–

–

–

5

Check: Does UE send the IP Packet on the data radio bearer associated with the dedicated EPS bearer context?

–

–

1

P

–

EXCEPTION: Steps 6 – 15 are executed only if two executions apply and this is the first execution

–

–

–

–

6

The SS transmits an OPEN UE TEST LOOP message to exit the UE test loop mode.

<–

RRC: DLInformationTransfer

TC: OPEN UE TEST LOOP

–

–

7

The UE transmits an OPEN UE TEST LOOP COMPLETE message.

–>

RRC: ULInformationTransfer

TC: OPEN UE TEST LOOP COMPLETE

–

–

8

The SS transmits an DEACTIVATE TEST MODE message to de-activate UE radio bearer test mode procedure.

<–

RRC: DLInformationTransfer

TC: DEACTIVATE TEST MODE

–

–

9

The UE transmits a DEACTIVATE TEST MODE COMPLETE message.

–>

RRC: ULInformationTransfer

TC: DEACTIVATE TEST MODE COMPLETE

–

–

10

Void

–

–

–

–

11

Void

–

–

–

–

12

Void

–

–

–

–

13

Void

–

–

–

–

14

The UE is switched OFF. See Note.

–

–

–

–

15

The UE is switched ON.

–

–

–

–

Information Element

Value/remark

Comment

Condition

PDN address

Length of PDN address contents

9 octets

PDN type value

‘010’B

IPv6

PDN address information

IPv6 interface identifier

The SS provides a valid IPv6 interface identifier

ESM cause

IF "PDN type" IE in step 4 (preamble) is ‘IPv4v6’ THEN ‘00110011’B ELSE Not present

"PDN type IPv6 only allowed"

NOTE: IF MULTI_PDN according to the definition in TS 36.508 clause 4.5.2 [18] THEN the above IE values apply for the ACTIVATE DEFAULT EPS BEARER CONTEXT REQUEST messages sent from the SS in step 16 and step 18c2 of the UE registration with test mode activation procedure acc. to TS 36.508 clause 4.5.2A.3-1 [18].

Information Element

Value/remark

Comment

Condition

PDN address

Length of PDN address contents

5 octets

PDN type value

‘001’B

IPv4

PDN address information

IPv4 address

The SS provides a valid IPv4 address

ESM cause

IF "PDN type" IE in step 4 (preamble) is ‘IPv4v6’ THEN ‘00110010’B ELSE Not present

"PDN type IPv4 only allowed"

NOTE: IF MULTI_PDN according to the definition in TS 36.508 clause 4.5.2 [18] THEN the above IE values apply for the ACTIVATE DEFAULT EPS BEARER CONTEXT REQUEST messages sent from the SS in step 16 and step 18c2 of the UE registration with test mode activation procedure acc. to TS 36.508 clause 4.5.2A.3-1 [18].

Information Element

Value/Remark

Comment

Condition

EPS bearer identity

6

SS assigns the current dedicated EPS bearer context.

Procedure transaction identity

0

"No procedure transaction identity assigned"

TFT

According to reference dedicated EPS bearer context #2 except for TFT operation code – see [18]

SS modifies the current packet filters of the dedicated EPS bearer context.

TFT operation code

Replace packet filters in existing TFT

Information Element

Value/Remark

Comment

Condition

EPS bearer identity

6

Same value as in MODIFY EPS BEARER CONTEXT REQUEST

Procedure transaction identity

0

"No procedure transaction identity assigned"

Information Element

Value/Remark

Comment

Condition

Protocol

17

UDP

Same value as reference packet filter #2. Reference packet filter #3 can match all values of ‘Protocol’

Source Address

remoteIPv4

Same value as in reference packet filters#2 and #3

remoteIPv6

Same value as in reference packet filters#2 and #3

IPv6-only

Destination Address

remoteIPv4

Same value as in reference packet filters#2 and #3

remoteIPv6

Same value as in reference packet filters #2 and #3

IPv6-only

Source Port

60000

Not significant for IP packet classification

Destination Port

60000

Value does not match with reference packet filter #2. Reference packet filter #3 can match all values of "Destination port"

IPv6-only

This condition applies if the test variable IP type is set to ‘IPv6’