8.2.212 Tunnel Password

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

The Tunnel Password IE type shall be encoded as shown in Figure 8.2.212-1. It contains the value of Tunnel Password (in plain text) to be used for the L2TP tunnel.

NOTE: The CP function obtains the plain text value of Tunnel Password after decoding and de-encrypting the Tunnel-Password AVP, which is received from AAA/Radius Server, as specified in clause 3.5 of IETF RFC 2868 [68].

Bits

Octets

8

7

6

5

4

3

2

1

1 to 2

Type = 313 (decimal)

3 to 4

Length = n

5 to (n+4)

Tunnel Password value

Figure 8.2.212-1: Tunnel Password

The Tunnel Password value shall be encoded in UTF8String format.