8.2.199 CP IP Address

29.2443GPPInterface between the Control Plane and the User Plane nodesRelease 17TS

The CP IP Address IE shall contain an IPv4 and/or IPv6 address. It shall be encoded as shown in Figure 8.2.199-1.

Bits

Octets

8

7

6

5

4

3

2

1

1 to 2

Type = 292 (decimal)

3 to 4

Length = n

5

Spare

V4

V6

p to (p+3)

IPv4 Address

q to (q+15)

IPv6 Address

Figure 8.2.199-1: CP IP Address

The following flags are coded within Octet 5:

– Bit 1 – V6: If this bit is set to "1", then the IPv6 address field shall be present in the CP IP Address, otherwise the IPv6 address field shall not be present.

– Bit 2 – V4: If this bit is set to "1", then the IPv4 address field shall be present in the CP IP Address, otherwise the IPv4 address field shall not be present.

– Bit 3 to 8 Spare, for future use and set to "0".

Octets "p to (p+3)" or "q to (q+15)" (IPv4 address / IPv6 address fields), if present, shall contain the address value.