8.149 UP Security Policy
29.2743GPP3GPP Evolved Packet System (EPS)Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C)Release 18Stage 3TS
UP Security Policy shall be coded as depicted in Figure 8.149-1.
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Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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1 |
Type = 218 (decimal) |
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2 to 3 |
Length = n |
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4 |
Spare |
Instance |
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5 |
Spare |
UP IP Policy |
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6 to (n+4) |
These octet(s) is/are present only if explicitly specified |
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Figure 8.149-1: UP Security Policy
The UP IP Policy field in bits 1 and 2 of octet 5 shall be encoded as follows:
Table 8.149-1: UP IP Policy
|
Indication |
Value (Decimal) |
|
User Plane Integrity protection with EPS is not needed |
0 |
|
User Plane Integrity protection with EPS is preferred |
1 |
|
User Plane Integrity protection with EPS is required |
2 |
|
Spare |
3 |
Bits 3 to 8 in octet 5 are spare, for future use and set to 0.