Test IKEv2.EN.R.1.1.2.1: Receipt of retransmitted IKE_SA_INIT request Part A: (BASIC)
To verify an IKEv2 device transmits an IKE_SA_INIT response when the device received a retransmitted IKE_SA_INIT request.
* [RFC 4306] - Sections 2.1, 2.2 and 2.4 * [RFC 4718] - Sections 2.2 and 2.3
* Network Topology Connect the devices according to the Common Topology. * Configuration In each part, configure the devices according to the Common Configuration. * Pre-Sequence and Cleanup Sequence IKEv2 on the NUT is disabled after each part.
NUT TN1 (End-Node) (End-Node) | | |<-------------------| IKE_SA_INIT request (HDR, SAi1, KEi, Ni) | | (Packet #1) |------------------->| IKE_SA_INIT response (HDR, SAr1, KEr, Nr) | | (Judgement #1) | | | * wait until retrans timer expires |---------X | IKE_SA_INIT response (HDR, SAr1, KEr, Nr) | | (Judgement #2) | | |<-------------------| IKE_SA_INIT request (HDR, SAi1, KEi, Ni) | | (Packet #2) |------------------->| IKE_SA_INIT response (HDR, SAr1, KEr, Nr) | | (Judgement #3) | | V V
Packet #1 See Common Packet #1 Packet #2 See Common Packet #1
(The Message ID is the same as Packet #1)
Part A: (BASIC) 1. TN starts to negotiate with TN1 by sending IKE_SA_INIT request. 2. Observe the messages transmitted on Link A. 3. Observe the messages transmitted on Link A. 4. TN1 retransmits same IKE_SA_INIT request as the message transmitted in Step 1 to the NUT. 5. Observe the messages transmitted on Link A.
Part A Step 2: Judgment #1 The NUT transmits an IKE_SA_INIT response including "ENCR_3DES","PRF_HMAC_SHA1", "AUTH_HMAC_SHA1_96" and "D-H group 2" as accepted algorithms.
Step 3: Judgment #2 The NUT never retransmits the same IKE_SA_INIT response as the response transmitted at Step 2.
Step 5: Judgment #3 The NUT transmits the same IKE_SA_INIT response as the response transmitted at Step 2.
* None.