A server implementation MUST NOT accept the IN_R2/A2 RTS PDU in any state other than opened. If this condition is not met, the server MUST treat this PDU as a protocol error as specified in section

If this RTS PDU is received in opened state, an implementation of this protocol MUST perform the following actions in the sequence given:

  1. Update the Virtual IN channel cookie for the Virtual IN connection on which this RTS PDU is received with the SuccessorChannelCookie from this RTS PDU.

  2. Send IN_R2/A3 RTS PDU on the default OUT channel to the outbound proxy.

State does not change as a result of this event.