8.2.177 IP version

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

IP version shall be encoded as shown in Figure 8.2.177-1.

		Bits
	Octets	8	7	6	5	4	3	2	1
	1 to 2	Type = 258 (decimal)
	3 to 4	Length = n
	5	Spare						V6	V4
	6 to (n+4)	These octet(s) is/are present only if explicitly specified

Figure 8.2.177-1: IP version

The following flags are coded within Octet 5:

– Bit 1 – V4: when set to "1", this indicate the IP version is V4;

– Bit 2 – V6: when set to "1", this indicate the IP version is V6;

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

At least one of V4 and V6 shall be set to "1", and both may be set to "1".