If it guesses wrong, the CREATE_CHILD_SA exchange fails, and it will have to retry with a different KEi. Thank You. For more information, refer to IKEv2 Packet Exchange and Protocol Level Debugging. #proposal cisco. Cisco Bug: CSCvp93211 - Garbage value in IKEv2 error debug *Nov 11 19:30:34.835: IKEv2:KMI message 12 consumed. For a branch office VPN that uses IKEv1, the Phase 1 exchange can use Main Mode or Aggressive Mode. Update: This was a version error, using wrong version of anyconnect, this has now been resolved. Components Used The information in this document is based on these software and hardware versions: Internet Key Exchange Version 2 (IKEv2) Cisco IOS 15.1 (1)T or later cEdge supports standard IKE tunnels in 19.x. To a remote end configured with encryption domains i wasnt sucessfull. Options. : crypto ikev2 profile default . If the SA offers include different DH groups, KEi must be an element of the group the initiator expects the responder to accept. The mode determines the type and number of message exchanges that occur in this phase. I also had to mention the same ACL in the local policy for this to work. The address range specifies that all traffic to and from that range are tunnelled. We may get it in march release if everything will be on track. You cannot use PSK for authentication of a Remote Access FlexVPN, see this screenshot below from Cisco live presentation BRKSEX-2881. I shared this with TAC too. Following is the output of above router debug crypto ikev2: 189014: *Aug 8 14:01:22.145 Chicago: IKEv2:Received Packet [From 2.2.2.2:500/To 1.1.1.1:500/VRF i0:f0], Initiator SPI : 8A15E970577C6140 - Responder SPI : 0000000000000000 Message id: 0, SA KE N NOTIFY(REDIRECT_SUPPORTED) NOTIFY(NAT_DETECTION_SOURCE_IP) NOTIFY(NAT_DETECTION_DESTINATION_IP) NOTIFY(Unknown - 16430), 189015: *Aug 8 14:01:22.145 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Verify SA init message, 189016: *Aug 8 14:01:22.145 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Insert SA, 189017: *Aug 8 14:01:22.145 Chicago: IKEv2:Searching Policy with fvrf 0, local address 1.1.1.1, 189018: *Aug 8 14:01:22.145 Chicago: IKEv2:Found Policy 'ikev2policy', 189019: *Aug 8 14:01:22.145 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Processing IKE_SA_INIT message, 189020: *Aug 8 14:01:22.145 Chicago: IKEv2:(SA ID = 1):[IKEv2 -> PKI] Retrieve configured trustpoint(s), 189021: *Aug 8 14:01:22.145 Chicago: IKEv2:(SA ID = 1):[PKI -> IKEv2] Retrieved trustpoint(s): 'TP-self-signed-653483565', 189022: *Aug 8 14:01:22.145 Chicago: IKEv2:(SA ID = 1):[IKEv2 -> PKI] Get Public Key Hashes of trustpoints, 189023: *Aug 8 14:01:22.145 Chicago: IKEv2:(SA ID = 1):[PKI -> IKEv2] Getting of Public Key Hashes of trustpoints FAILED, 189024: *Aug 8 14:01:22.145 Chicago: IKEv2:Failed to retrieve Certificate Issuer list, 189025: *Aug 8 14:01:22.145 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):[IKEv2 -> Crypto Engine] Computing DH public key, DH Group 14, 189026: *Aug 8 14:01:22.145 Chicago: IKEv2:(SA ID = 1):[Crypto Engine -> IKEv2] DH key Computation PASSED, 189027: *Aug 8 14:01:22.145 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Request queued for computation of DH key, 189028: *Aug 8 14:01:22.149 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):[IKEv2 -> Crypto Engine] Computing DH secret key, DH Group 14, 189029: *Aug 8 14:01:22.149 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Request queued for computation of DH secret, 189030: *Aug 8 14:01:22.161 Chicago: IKEv2:(SA ID = 1):[Crypto Engine -> IKEv2] DH key Computation PASSED, 189031: *Aug 8 14:01:22.161 Chicago: IKEv2:(SA ID = 1):[IKEv2 -> Crypto Engine] Calculate SKEYSEED and create rekeyed IKEv2 SA, 189032: *Aug 8 14:01:22.161 Chicago: IKEv2:(SA ID = 1):[Crypto Engine -> IKEv2] SKEYSEED calculation and creation of rekeyed IKEv2 SA PASSED, 189033: *Aug 8 14:01:22.161 Chicago: IKEv2:IKEv2 responder - no config data to send in IKE_SA_INIT exch, 189034: *Aug 8 14:01:22.161 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Generating IKE_SA_INIT message. if my config was wrong then tunnel shouldn't come up when Cisco ASA sending traffic. New here? 03-12-2019 Has anyone been able to do this on a ISR4k? IPsec with IKEv2 simple lab - Cisco Bug Search Tool - Cisco The Notify Payload, is used to transmit informational data, such as error conditions and state transitions, to an IKE peer. 1 Accepted Solution. Finding Feature Information Prerequisites for Configuring Internet Key Exchange Version 2 Create an ACL in Policies > Local Policy > Access Control ListsPermit port 500I also have the Default Action as Accept in my POC.Copy the ACL name (CTRL C) youll need it for the next step. For more information, refer toIKEv2 Packet Exchange and Protocol Level Debugging. In my case even after adding the ACL entry there was another step which was needed to fix this tunnel. Uses certificates for the authentication mechanism. Help would really be appreciated. Could you please clarify, as I'm waiting for this feature being available for some months now. 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. I'll log a TAC case next. If it guesses wrong, the CREATE_CHILD_SA exchange fails, and it must retry with a different KEi. The CHILD_SA packet typically contains: Router 2 now builds the reply for the CHILD_SA exchange. Router 2 builds the response to IKE_AUTH packet that it received from Router 1. Router 2 receives and verifies the authentication data received from Router 1. This packet contains: ISAKMP Header(SPI/ version/flags), SAr1(cryptographic algorithm that IKE responder chooses), KEr(DH public Key value of the responder), and Responder Nonce. You cannot configure IKEv2 through the user interface. This mode is more secure, and uses three . Windows or MAC (native or AC) client can only use Certificates or EAP. The first CHILD_SA is created for the proxy_ID pair that matches the trigger packet. I'd like to configure a IPSEC tunnel to Zscaler, the interface should be sourced from VPN0 so that i can use the public IP address attached to my DIA circuit. IKEv2 Problems WatchGuard Community It contains: ISAKMP Header (SPI/version/flags), SAi1 (cryptographic algorithm that IKE initiator supports), KEi (DH public Key value of the initiator), and N (Initiator Nonce). 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). In addition, this document provides information on how to translate certain debug lines in a configuration. If the proposal is acceptable to the responder, it sends identical TS payloads back. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. The vulnerability is due to incorrect handling of crafted IKEv2 SA-Init packets. The address range specifies that all traffic to and from that range is tunneled. This section lists the configurations used in this document. Any luck getting this to work? Hi, made some more tests and my problem is the following, IPSec tunnel can be established if remote end is configured without any specific encryption domains for the communication and with a transport network within the tunnel (for routing purpose - like in GRE Tunnel). Has anyone ever created an exception list to bypass zscaler in certain situations and go out the DIA door instead? Router 1 receives the IKE_SA_INIT response packet from Router 2. Working output: #show crypto ikev2 profile IKEv2 profile: default Ref Count: 4 Match criteria: Fvrf: global Local address/interface: none Identities: none Certificate maps: mymap Local identity: none <----- Remote identity: none Conditions: FlexVPN No local identity configured, relaying on global default. Cisco recommends that you have knowledge of the packet exchange for IKEv2. IPSEC interface not available from VPN0 - Cisco Hi, can you please post the config that solved your problem. Beginner. 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. New here? *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. Router 1 initiates the CHILD_SA exchange. 0 Helpful Share Reply JW_UK Beginner In response to JW_UK Options 09-28-2019 03:19 AM A Notify Payload may 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.If this CREATE_CHILD_SA exchange is rekeying an existing SA other than the IKE_SA, the leading N payload of type REKEY_SA MUST identify the SA being rekeyed. Use the VPN Interface IPsec feature template to configure IPsec tunnels on Cisco IOS XE service VPNs that are being used for Internet Key Exchange (IKE) sessions. I've tried domain\user, [email protected] and just plain user. The sample configuration connects a Cisco ASA device to an Azure route-based VPN gateway. Phase 1: AES256, SHA384, DH14, SA 28800 Phase 2: AES256, SHA256, PFS2048, SA 3600 I'm getting the error: encryption failure: Ike version: ikev2 not supported for peer I'm new to checkpoint. My template for 'VPN Interface IPsec' looks like this: Then, this template is added under the Service VPN : I thought it was all working fine, however I now have a new problem.IKEv2 is working for Phase 1, but IPSEC is failing.For some reason the ISR4K is creating 16 SA's whilst Zscaler only support a maximum of 8 SA's, therefore the tunnel is currently unusable. Be aware the static route will only be withdrawn from the routing table if the Tunnel goes down. All rights reserved. IOS IKEv2 Debugs for Site-to-Site VPN with PSKs Troubleshooting - Cisco I had the same Firebox and RADIUS server working for IPSec MUVPN, but not for IKEv2. 2023 Cisco and/or its affiliates. As far as I'm aware that feature is not supported on cEdge platforms, you can only use IPsec tunnels on the Service Side VPN. How to configure a Cisco IOS router for IKEv2 and AnyConnect with - IFM Tunnel is up on the Responder. Initiator receives response from Responder. #crypto ikev2 policy cisco. A vulnerability in the Internet Key Exchange Version 2 (IKEv2) implementation in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent IKEv2 from establishing new security associations. Can you point specifically on the vManage how we can do that? #peer R3. In the IKEv1 Phase 1 settings, you can select one of these modes: Main Mode. Related Community Discussions View Bug Details in Bug Search Tool Why Is Login Required? Configure IPSec VPN Phase 1 Settings - WatchGuard Bug Details Include The link you shared is for a vEdge setup, the one I've found is for cEdge 16.12.x. Customers Also Viewed These Support Documents, https://www.cisco.com/c/en/us/support/docs/security/flexvpn/115907-config-flexvpn-wcca-00.html. Transport side Ike based IPsec is not available in cedge. 05-18-2021 12:04 PM. #address 10.0.0.2. Remote Type = 0. . All but the headers of all the messages that follow are encrypted and authenticated. You can only use PSK when the client is another FlexVPN hardware (router) client or Strongswan. 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. Accepted Solutions. IKEv2 Settings Policy - HQ-VPN Auth Type - Preshared Manual Key Key is set in both fields IPsec Tab: Crypto Map Type - Static IKEv2 Mode - Tunnel Transform Sets IKEv2 Proposals - SHA-256 Enable Reverse Route Injection- Checked Enable PFS - Checked Modulus Group - 19 Lifetime Duration - 28800 Lifetime Size - 4608000 Advanced Tab: For more information on the differences and an explanation of the packet exchange, refer toIKEv2 Packet Exchange and Protocol Level Debugging. When i run debug on Cisco ASA i found following, also when tunnel is up i am seeing following messaged in debugging, not sure what is going on. Find answers to your questions by entering keywords or phrases in the Search bar above. Can you also post the config for the VPN template. Template applied to Service VPN 1, Source interface from VPN 0 (Internet Interface with public IP to reach external Firewall via Internet). I think i have the problem with the Source Interface (i receive"IKEv2-ERROR:Address type not supported" in log). An attacker could exploit this vulnerability by sending crafted IKEv2 SA-Init . Note: In this output, unlike in IKEv1, the PFS DH group value appears as "PFS (Y/N): N, DH group: none" during the first tunnel negotiation, but, after a rekey occurs, the right values appear. They contain the source and destination address of the initiator and responder respectively for forwarding/receiving encrypted traffic. Tunnel is up on the Initiator and the status shows. No action taken. I'd be interested to hear if you have the same issue? Initiator building IKE_INIT_SA packet. 05:29 AM. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Router2 sends out the responder message to Router 1. Note. The information in this document is based on these software and hardware versions: The information in this document was created from the devices in a specific lab environment. IPSEC profile: this is phase2, we will create the transform set in here. The packet exchange in IKEv2 is radically different from packet exchange in IKEv1. You can use IKEv2 as a virtual private network (VPN) tunneling protocol that supports automatic VPN reconnection.