Edit your Feature Template for the VPN Interface Ethernet that is applied to your physical interface in VPN0.Under ACL/QOS add a IPv4 Ingress Access List using the name of the ACL you created in the first step. At the moment,you can use service side ipsec in cedge. Zscaler support IP-SLA HTTP probes to check the cloud proxy health, on traditional routers you are able to use 'track' features to, for example, change the admin distance of a static route based on the results of the IP-SLA test. Template applied to Service VPN 1, Source interface from VPN 0 (Internet Interface with public IP to reach external Firewall via Internet). Click the Add button to insert a new VPN rule. Nonce Ni(optional): If the CHILD_SA is created as part of the initial exchange, a second KE payload and nonce must not be sent. The keys used for the encryption and integrity protection are derived from SKEYID and are known as: SK_e (encryption), SK_a (authentication), SK_d is derived and used for derivation of further keying material for CHILD_SAs, and a separate SK_e and SK_a is computed for each direction. Router 2 builds the responder message for IKE_SA_INIT exchange, which is received by ASA1. This module describes the Internet Key Exchange Version 2 (IKEv2) protocol. if my config was wrong then tunnel shouldn't come up when Cisco ASA sending traffic. Thanks. The mode determines the type and number of message exchanges that occur in this phase. The sample requires that ASA devices use the IKEv2 policy with access-list-based configurations, not VTI-based. IKEv2 is the supporting protocol for IP Security Protocol (IPsec) and is used for performing mutual authentication and establishing and maintaining security associations (SAs). Looks like its working after I added the ACL to the outside interface. Consult your VPN device vendor specifications to verify that . Cisco IOS and IOS XE Software Internet Key Exchange Version 2 Denial of ASA IKEv2 Debugs for Remote Access VPN Troubleshooting - Cisco Hi, can you please post the config that solved your problem. I'm unsure if Viptela using IOS XE has this same capability. No action taken. This section lists the configurations used in this document. In IKEv1 there was a clearly demarcated phase1 exchange that consisted of six (6) packets followed by a phase 2 exchange that consisted of three (3) packets; the IKEv2 exchange is variable. I have a working IPSEC project in GNS3 that uses csr1000 and 7200 routers, VTI interfaces, and IKEv1. *Nov 11 19:31:35.873: IKEv2:Got a packet from dispatcher *Nov 11 19:31:35.873: IKEv2:Processing an item off the pak queue *Nov 11 19:31:35.873: IKEv2:(SA ID = 2):Request has mess_id 3; expected 3 through 7 *Nov 11 19:31:35.873: IKEv2:(SA ID = 2):Next payload: ENCR, version: 2.0Exchange type: CREATE_CHILD_SA, flags:INITIATORMessage id: 3, length: 396 Payload contents: SANext payload: N, reserved: 0x0, length: 152 last proposal: 0x0, reserved: 0x0, length: 148 Proposal: 1, Protocol id: IKE, SPI size: 8, #trans: 15 last transform: 0x3, reserved: 0x0: length: 12 type: 1, reserved: 0x0, id: AES-CBC last transform: 0x3, reserved: 0x0: length: 12 type: 1, reserved: 0x0, id: AES-CBC last transform: 0x3, reserved: 0x0: length: 12 type: 1, reserved: 0x0, id: AES-CBC last transform: 0x3, reserved: 0x0: length: 8 type: 2, reserved: 0x0, id: SHA512 last transform: 0x3, reserved: 0x0: length: 8 type: 2, reserved: 0x0, id: SHA384 last transform: 0x3, reserved: 0x0: length: 8 type: 2, reserved: 0x0, id: SHA256 last transform: 0x3, reserved: 0x0: length: 8 type: 2, reserved: 0x0, id: SHA1 last transform: 0x3, reserved: 0x0: length: 8 type: 2, reserved: 0x0, id: MD5 last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: SHA512 last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: SHA384 last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: SHA256 last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: SHA96 last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: MD596 last transform: 0x3, reserved: 0x0: length: 8 type: 4, reserved: 0x0, id: DH_GROUP_1536_MODP/Group 5 last transform: 0x0, reserved: 0x0: length: 8 type: 4, reserved: 0x0, id: DH_GROUP_1024_MODP/Group 2 NNext payload: KE, reserved: 0x0, length: 24 KE Next payload: NOTIFY, reserved: 0x0, length: 136 DH group: 2, Reserved: 0x0 *Nov 11 19:31:35.874: IKEv2:Parse Notify Payload: SET_WINDOW_SIZENOTIFY(SET_WINDOW_SIZE) Next payload: NONE, reserved: 0x0, length: 12 Security protocol id: IKE, spi size: 0, type: SET_WINDOW_SIZE *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: READY Event:EV_RECV_CREATE_CHILD *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):Action: Action_Null *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_INIT Event: EV_RECV_CREATE_CHILD *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):Action: Action_Null *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_INIT Event: EV_VERIFY_MSG *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_INIT Event: EV_CHK_CC_TYPE *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_IKE Event:EV_REKEY_IKESA *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_IKE Event: EV_GET_IKE_POLICY *Nov 11 19:31:35.874: IKEv2:%Getting preshared key by address 10.0.0.2 *Nov 11 19:31:35.874: IKEv2:% Getting preshared key by address 10.0.0.2 *Nov 11 19:31:35.874: IKEv2:Adding Proposal PHASE1-prop to toolkit policy *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):Using IKEv2 profile 'IKEV2-SETUP' *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_IKE Event: EV_PROC_MSG *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_IKE Event: EV_SET_POLICY *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):Setting configured policies *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_BLD_MSG Event: EV_GEN_DH_KEY *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_BLD_MSG Event: EV_NO_EVENT *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_BLD_MSG Event: EV_OK_RECD_DH_PUBKEY_RESP *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):Action: Action_Null *Nov 11 19:31:35.874: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_BLD_MSG Event:EV_GEN_DH_SECRET *Nov 11 19:31:35.881: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_BLD_MSG Event: EV_NO_EVENT *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_BLD_MSG Event: EV_OK_RECD_DH_SECRET_RESP *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):Action: Action_Null *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_BLD_MSG Event: EV_BLD_MSG *Nov 11 19:31:35.882:IKEv2:ConstructNotify Payload: SET_WINDOW_SIZE Payload contents: SANext payload: N, reserved: 0x0, length: 56 last proposal: 0x0, reserved: 0x0, length: 52 Proposal: 1, Protocol id: IKE, SPI size: 8, #trans: 4 last transform: 0x3, reserved: 0x0: length: 12 type: 1, reserved: 0x0, id: AES-CBC last transform: 0x3, reserved: 0x0: length: 8 type: 2, reserved: 0x0, id: SHA1 last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: SHA96 last transform: 0x0, reserved: 0x0: length: 8 type: 4, reserved: 0x0, id: DH_GROUP_1024_MODP/Group 2 NNext payload: KE, reserved: 0x0, length: 24 KE Next payload: NOTIFY, reserved: 0x0, length: 136 DH group: 2, Reserved: 0x0 NOTIFY(SET_WINDOW_SIZE) Next payload: NONE, reserved: 0x0, length: 12 Security protocol id: IKE, spi size: 0, type: SET_WINDOW_SIZE, *Nov 11 19:31:35.869: IKEv2:(SA ID = 2):Next payload: ENCR, version: 2.0 Exchange type:CREATE_CHILD_SA, flags:INITIATORMessage id: 2, length: 460 Payload contents: ENCR Next payload: SA, reserved: 0x0, length: 432, *Nov 11 19:31:35.873: IKEv2:Construct Notify Payload: SET_WINDOW_SIZE Payload contents: SANext payload: N, reserved: 0x0, length: 152 last proposal: 0x0, reserved: 0x0, length: 148 Proposal: 1, Protocol id: IKE, SPI size: 8, #trans: 15 last transform: 0x3, reserved: 0x0: length: 12 type: 1, reserved: 0x0, id: AES-CBC last transform: 0x3, reserved: 0x0: length: 12 type: 1, reserved: 0x0, id: AES-CBC last transform: 0x3, reserved: 0x0: length: 12 type: 1, reserved: 0x0, id: AES-CBC last transform: 0x3, reserved: 0x0: length: 8 type: 2, reserved: 0x0, id: SHA512 last transform: 0x3, reserved: 0x0: length: 8 type: 2, reserved: 0x0, id: SHA384 last transform: 0x3, reserved: 0x0: length: 8 type: 2, reserved: 0x0, id: SHA256 last transform: 0x3, reserved: 0x0: length: 8 type: 2, reserved: 0x0, id: SHA1 last transform: 0x3, reserved: 0x0: length: 8 type: 2, reserved: 0x0, id: MD5 last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: SHA512 last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: SHA384 last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: SHA256 last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: SHA96 last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: MD596 last transform: 0x3, reserved: 0x0: length: 8 type: 4, reserved: 0x0, id: DH_GROUP_1536_MODP/Group 5 last transform: 0x0, reserved: 0x0: length: 8 type: 4, reserved: 0x0, id: DH_GROUP_1024_MODP/Group 2 NNext payload: KE, reserved: 0x0, length: 24 KENext payload: NOTIFY, reserved: 0x0, length: 136 DH group: 2, Reserved: 0x0 NOTIFY(SET_WINDOW_SIZE) Next payload: NONE, reserved: 0x0, length: 12 Security protocol id: IKE, spi size: 0, type: SET_WINDOW_SIZE, *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):Next payload: ENCR, version: 2.0 Exchange type:CREATE_CHILD_SA,flags:RESPONDER MSG-RESPONSEMessage id: 3, length: 300 Payload contents: SANext payload: N, reserved: 0x0, length: 56 last proposal: 0x0, reserved: 0x0, length: 52 Proposal: 1, Protocol id: IKE, SPI size: 8, #trans: 4 last transform: 0x3, reserved: 0x0: length: 12 type: 1, reserved: 0x0, id: AES-CBC last transform: 0x3, reserved: 0x0: length: 8 type: 2, reserved: 0x0, id: SHA1 last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: SHA96 last transform: 0x0, reserved: 0x0: length: 8 type: 4, reserved: 0x0, id: DH_GROUP_1024_MODP/Group 2 NNext payload: KE, reserved: 0x0, length: 24 KENext payload: NOTIFY, reserved: 0x0, length: 136 DH group: 2, Reserved: 0x0 *Nov 11 19:31:35.882: IKEv2:Parse Notify Payload: SET_WINDOW_SIZENOTIFY(SET_WINDOW_SIZE) Next payload: NONE, reserved: 0x0, length: 12 Security protocol id: IKE, spi size: 0, type: SET_WINDOW_SIZE *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState:CHILD_I_WAITEvent:EV_RECV_CREATE_CHILD *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):Action: Action_Null *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState:CHILD_I_PROCEvent: EV_CHK4_NOTIFY *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState: CHILD_I_PROC Event:EV_VERIFY_MSG *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState: CHILD_I_PROC Event: EV_PROC_MSG *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState: CHILD_I_PROC Event: EV_CHK4_PFS *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState: CHILD_I_PROC Event: EV_GEN_DH_SECRET *Nov 11 19:31:35.890: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState: CHILD_I_PROC Event: EV_NO_EVENT *Nov 11 19:31:35.890: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState: CHILD_I_PROC Event: EV_OK_RECD_DH_SECRET_RESP *Nov 11 19:31:35.890: IKEv2:(SA ID = 2):Action: Action_Null *Nov 11 19:31:35.890: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState: CHILD_I_PROC Event: EV_CHK_IKE_REKEY *Nov 11 19:31:35.890: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState: CHILD_I_PROC Event: EV_GEN_SKEYID *Nov 11 19:31:35.890: IKEv2:(SA ID = 2):Generate skeyid *Nov 11 19:31:35.890: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState:CHILD_I_DONEEvent:EV_ACTIVATE_NEW_SA *Nov 11 19:31:35.890: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState: CHILD_I_DONE Event: EV_UPDATE_CAC_STATS *Nov 11 19:31:35.890: IKEv2:New ikev2 sa request activated *Nov 11 19:31:35.890: IKEv2:Failed to decrement count for outgoing negotiating *Nov 11 19:31:35.890: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState: CHILD_I_DONE Event: EV_CHECK_DUPE *Nov 11 19:31:35.890: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState: CHILD_I_DONE Event: EV_OK *Nov 11 19:31:35.890: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003 CurState: EXIT Event: EV_CHK_PENDING *Nov 11 19:31:35.890: IKEv2:(SA ID = 2):Processed response with message id 3, Requests can be sent from range 4 to 8 *Nov 11 19:31:35.890: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (I) MsgID = 00000003CurState: EXITEvent: EV_NO_EVENT, *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):Next payload: ENCR, version: 2.0 Exchange type:CREATE_CHILD_SA, flags:RESPONDER MSG-RESPONSEMessage id: 3, length: 300 Payload contents: ENCR Next payload: SA, reserved: 0x0, length: 272 *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_BLD_MSG Event:EV_CHK_IKE_REKEY *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_BLD_MSG Event: EV_GEN_SKEYID *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):Generate skeyid *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_DONE Event:EV_ACTIVATE_NEW_SA *Nov 11 19:31:35.882: IKEv2:Store mib index ikev2 3, platform 62 *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_DONE Event: EV_UPDATE_CAC_STATS *Nov 11 19:31:35.882: IKEv2:New ikev2 sa request activated *Nov 11 19:31:35.882: IKEv2:Failed to decrement count for incoming negotiating *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState:CHILD_R_DONEEvent: EV_CHECK_DUPE *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_DONE Event: EV_OK *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: CHILD_R_DONE Event: EV_START_DEL_NEG_TMR *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):Action: Action_Null *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003 CurState: EXIT Event: EV_CHK_PENDING *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):Sent response with message id 3, Requests can be accepted from range 4 to 8 *Nov 11 19:31:35.882: IKEv2:(SA ID = 2):SM Trace-> SA: I_SPI=0C33DB40DBAAADE6 R_SPI=F14E2BBA78024DE3 (R) MsgID = 00000003CurState: EXITEvent: EV_NO_EVENT. N(Notify payload-optional). You can use IKEv2 as a virtual private network (VPN) tunneling protocol that supports automatic VPN reconnection. Router2 sends out the responder message to Router 1. Its a bug where the ZScaler dumps an IP address based on the config_exchange request sent by cEdge devices. Note. The vulnerability is due to incorrect handling of crafted IKEv2 SA-Init packets. This is the CREATE_CHILD_SA request. I'd be interested to hear if you have the same issue? Cisco recommends that you have knowledge of the packet exchange for IKEv2. All of the devices used in this document started with a cleared (default) configuration. For more information, refer toIKEv2 Packet Exchange and Protocol Level Debugging. This response packet contains: ISAKMP Header(SPI/ version/flags), IDr(responder's identity), AUTH payload, SAr2(initiates the SA-similar to the phase 2 transform set exchange in IKEv1), and TSi and TSr(Initiator and Responder Traffic selectors). Find answers to your questions by entering keywords or phrases in the Search bar above. No action taken. A Notify Payload might appear in a response message (usually specifying why a request was rejected), in an informational exchange (to report an error not in an IKE request), or in any other message to indicate sender capabilities or to modify the meaning of the request. #crypto ikev2 policy cisco. IOS IKEv2 Debugs for Site-to-Site VPN with PSKs Troubleshooting - Cisco This document describes Internet Key Exchange version 2 (IKEv2) debugs on Cisco IOS when a pre-shared key (PSK) is used. An attacker could exploit this vulnerability by sending crafted IKEv2 SA-Init . what i am missing here. New here? Client Related Configuration IPsec with IKEv2 simple lab - Cisco Any luck getting this to work? : crypto ikev2 profile default . Nonce Ni (optional): If the CHILD_SA is created as part of the initial exchange, a second KE payload and nonce must not be sent), KEi (Key-optional): The CREATE_CHILD_SA request might optionally contain a KE payload for an additional DH exchange to enable stronger guarantees of forward secrecy for the CHILD_SA. currently using 4.8, seems to have solved all issues. I think i have the problem with the Source Interface (i receive"IKEv2-ERROR:Address type not supported" in log). The first CHILD_SA is created for the proxy_ID pair that matches the trigger packet. The difference between IKEv1 and IKEv2 is that, in the latter, the Child SAs are created as part of AUTH exchange itself. IKEv2-ERROR:Address type 1622425149 not supported My assumption is that although the IPSEC is created on the service side, by sourcing the tunnel from the interface with a public IP address in VPN0, the cEdge would VRF jump to VPN0. E.g. Description (partial) Symptom: Garbage value (non-comprehensible) seen in the ikev2 error line "Address type 4132115430 not supported" Conditions: When ikev2 error debugging is turned on. IPSEC profile: this is phase2, we will create the transform set in here. 05:29 AM. Customers Also Viewed These Support Documents, https://www.cisco.com/c/en/us/support/docs/security/flexvpn/115907-config-flexvpn-wcca-00.html. It seems like it's not passing domain information. Sample configuration: Cisco ASA device (IKEv2/no BGP) Cisco recommends that you have knowledge of the packet exchange for IKEv2. Relevant Configuration:crypto ikev2 proposal PHASE1-prop encryption 3des aes-cbc-128 integrity sha1 group 2crypto ikev2 keyring KEYRNG peer peer1 address 10.0.0.2 255.255.255.0 hostname host1 pre-shared-key local cisco pre-shared-key remote cisco, *Nov 11 19:30:34.814: IKEv2:Got a packet from dispatcher *Nov 11 19:30:34.814: IKEv2:Processing an item off the pak queue *Nov 11 19:30:34.814: IKEv2:New ikev2 sa request admitted *Nov 11 19:30:34.814: IKEv2:Incrementing incoming negotiating sa count by one, *Nov 11 19:30:34.814: IKEv2:Next payload: SA, version: 2.0 Exchange type: IKE_SA_INIT, flags: INITIATOR Message id: 0, length: 344 Payload contents: SA Next payload: KE, reserved: 0x0, length: 56 last proposal: 0x0, reserved: 0x0, length: 52 Proposal: 1, Protocol id: IKE, SPI size: 0, #trans: 5 last transform: 0x3, reserved: 0x0: length: 8 type: 1, reserved: 0x0, id: 3DES last transform: 0x3, reserved: 0x0: length: 12 type: 1, reserved: 0x0, id: AES-CBC last transform: 0x3, reserved: 0x0: length: 8 type: 2, reserved: 0x0, id: SHA1 last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: SHA96 last transform: 0x0, reserved: 0x0: length: 8 type: 4, reserved: 0x0, id: DH_GROUP_1024_MODP/Group 2 KE Next payload: N, reserved: 0x0, length: 136 DH group: 2, Reserved: 0x0 N Next payload: VID, reserved: 0x0, length: 24 *Nov 11 19:30:34.814: IKEv2:Parse Vendor Specific Payload: CISCO-DELETE-REASON VID Next payload: VID, reserved: 0x0, length: 23 *Nov 11 19:30:34.814: IKEv2:Parse Vendor Specific Payload: (CUSTOM) VID Next payload: NOTIFY, reserved: 0x0, length: 21 *Nov 11 19:30:34.814: IKEv2:Parse Notify Payload: NAT_DETECTION_SOURCE_IP NOTIFY(NAT_DETECTION_SOURCE_IP) Next payload: NOTIFY, reserved: 0x0, length: 28 Security protocol id: IKE, spi size: 0, type: NAT_DETECTION_SOURCE_IP *Nov 11 19:30:34.814: IKEv2:Parse Notify Payload: NAT_DETECTION_DESTINATION_IP NOTIFY(NAT_DETECTION_DESTINATION_IP) Next payload: NONE, reserved: 0x0, length: 28 Security protocol id: IKE, spi size: 0, type: NAT_DETECTION_DESTINATION_IP, *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: IDLE Event:EV_RECV_INIT *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_INIT Event:EV_VERIFY_MSG *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_INIT Event:EV_INSERT_SA *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_INIT Event:EV_GET_IKE_POLICY *Nov 11 19:30:34.814: IKEv2:Adding Proposal default to toolkit policy *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_INIT Event:EV_PROC_MSG *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_INIT Event: EV_DETECT_NAT *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):Process NAT discovery notify *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):Processing nat detect src notify *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):Remote address matched *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):Processing nat detect dst notify *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):Local address matched *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):No NAT found *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_INIT Event: EV_CHK_CONFIG_MODE *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_BLD_INIT Event: EV_SET_POLICY *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):Setting configured policies *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_BLD_INIT Event: EV_CHK_AUTH4PKI *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_BLD_INIT Event: EV_PKI_SESH_OPEN *Nov 11 19:30:34.814: IKEv2:(SA ID = 1):Opening a PKI session *Nov 11 19:30:34.815: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_BLD_INIT Event:EV_GEN_DH_KEY *Nov 11 19:30:34.815: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_BLD_INIT Event: EV_NO_EVENT *Nov 11 19:30:34.815: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_BLD_INIT Event:EV_OK_RECD_DH_PUBKEY_RESP *Nov 11 19:30:34.815: IKEv2:(SA ID = 1):Action: Action_Null *Nov 11 19:30:34.815: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_BLD_INIT Event:EV_GEN_DH_SECRET *Nov 11 19:30:34.822: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_BLD_INIT Event: EV_NO_EVENT *Nov 11 19:30:34.822: IKEv2:%Getting preshared key by address 10.0.0.1 *Nov 11 19:30:34.822: IKEv2:Adding Proposal default to toolkit policy *Nov 11 19:30:34.822: IKEv2:(2): Choosing IKE profile IKEV2-SETUP *Nov 11 19:30:34.822: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_BLD_INIT Event: EV_OK_RECD_DH_SECRET_RESP *Nov 11 19:30:34.822: IKEv2:(SA ID = 1):Action: Action_Null *Nov 11 19:30:34.822: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_BLD_INIT Event:EV_GEN_SKEYID *Nov 11 19:30:34.822: IKEv2:(SA ID = 1):Generate skeyid *Nov 11 19:30:34.822: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_BLD_INIT Event: EV_GET_CONFIG_MODE *Nov 11 19:30:34.822: IKEv2:IKEv2 responder - no config data to send in IKE_SA_INIT exch *Nov 11 19:30:34.822: IKEv2:No config data to send to toolkit: *Nov 11 19:30:34.822: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000000 CurState: R_BLD_INIT Event: EV_BLD_MSG *Nov 11 19:30:34.822: IKEv2:Construct Vendor Specific Payload: DELETE-REASON *Nov 11 19:30:34.822: IKEv2:Construct Vendor Specific Payload: (CUSTOM) *Nov 11 19:30:34.822: IKEv2:Construct Notify Payload: NAT_DETECTION_SOURCE_IP *Nov 11 19:30:34.822: IKEv2:Construct Notify Payload: NAT_DETECTION_DESTINATION_IP *Nov 11 19:30:34.822: IKEv2:Construct Notify Payload: HTTP_CERT_LOOKUP_SUPPORTED.