8.24 Global CN-Id
29.2743GPP3GPP Evolved Packet System (EPS)Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C)Release 18Stage 3TS
The Global CN-Id is coded as depicted in Figure 8.24-1.
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Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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|
1 |
Type = 89 (decimal) |
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2 to 3 |
Length = n |
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4 |
Spare |
Instance |
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|
5 |
MCC digit 2 |
MCC digit 1 |
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6 |
MNC digit 3 |
MCC digit 3 |
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7 |
MNC digit 2 |
MNC digit 1 |
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8 to (n+4) |
CN-Id The CN-Id is defined in 3GPP TS 23.003 [2]. |
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Figure 8.24-1: Global CN-Id
If an Administration decides to include only two digits in the MNC, then bits 5 to 8 of octet 6 are coded as "1111".