8.57 APN Restriction

29.2743GPP3GPP Evolved Packet System (EPS)Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C)Release 16Stage 3TS

The APN Restriction information element contains an unsigned integer value indicating the level of restriction imposed on EPS Bearer Contexts created to the associated APN.

The APN Restriction IE is coded as depicted in Figure 8.57-1:

Bits

Octets

8

7

6

5

4

3

2

1

1

Type = 127 (decimal)

2 to 3

Length = n

4

Spare

Instance

5

Restriction Type value

6 to (n+4)

These octet(s) is/are present only if explicitly specified

Figure 8.57-1: APN Restriction Type Information Element

An APN Restriction value may be configured for each APN in the PGW. It is used to determine, on a per UE basis, whether it is allowed to establish EPS bearers to other APNs.

Table 8.57-1: Valid Combinations of APN Restriction

Maximum APN Restriction Value

Type of APN

Application Example

APN Restriction Value allowed to be established

0

No Existing Contexts or Restriction

All

1

Public-1

MMS

1, 2, 3

2

Public-2

Internet

1, 2

3

Private-1

Corporate (e.g. who use MMS)

1

4

Private-2

Corporate (e.g. who do not use MMS)

None