8.2.183 Number of UE IP Addresses
29.2443GPPInterface between the Control Plane and the User Plane nodesRelease 17TS
Number of UE IP Addresses IE shall be coded as depicted in Figure 8.2.183-1. It contains an Unsigned32 binary integer value in octets "a to (a+3)" and "b to (b+3)".
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Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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1 to 2 |
Type = 268 (decimal) |
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3 to 4 |
Length = n |
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5 |
Spare |
Spare |
Spare |
Spare |
Spare |
Spare |
IPv6 |
IPv4 |
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|
a to (a+3) |
Number of UE IPv4 Addresses |
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|
b to (b+3) |
Number of UE IPv6 Addresses |
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k to (n+4) |
These octet(s) is/are present only if explicitly specified |
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Figure 8.2.183-1: Number of UE IP Addresses
The following flags are coded within Octet 5:
– Bit 1 – IPv4: If this bit is set to "1", Number of UE IPv4 Addresses field shall be present. Otherwise the Number of UE IPv4 Addresses field shall not be present.
– Bit 2 – IPv6: If this bit is set to "1", Number of UE IPv6 Addresses field shall be present. Otherwise the Number of UE IPv6 Addresses field shall not be present.
Octets "a to (a+3)" and/or "b to (b+3)" shall be present if Bis 1 and/or Bit 2 in octet 5 is present. Otherwise, these octets shall not be present.