05-18-2021 12:04 PM. For more information, refer toIKEv2 Packet Exchange and Protocol Level Debugging. Has anyone been able to do this on a ISR4k? To a remote end configured with encryption domains i wasnt sucessfull. These parameters are identical to the one that was received from ASA1. Configure Phase 1 Settings For IKEv1. Configure IPSec VPN Phase 1 Settings - WatchGuard IKEv2 Packet Exchange and Protocol Level Debugging, Technical Support & Documentation - Cisco Systems, Router 1 receives a packet that matches the crypto acl for peer ASA 10.0.0.2. *Nov 11 19:30:34.835: IKEv2:No data to send in mode config set. This is reposted from the Networking Academy area since there were no replies. cEdge supports standard IKE tunnels in 19.x. INFO_R Event: EV_CHK_INFO_TYPE IKEv2-PROTO-5: (99): SM Trace-> SA: I . 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. In addition, this document provides information on how to translate certain debug lines in a configuration. You can configure IPsec on tunnels for VPN 1 through 65530, except for 512. https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/System-Interface/systems-interfaces-book/configure-interfaces.html. The documentation set for this product strives to use bias-free language. 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. Remote Access IKEv2 Auth exchange failed - Cisco 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). 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. The Notify Payload, is used to transmit informational data, such as error conditions and state transitions, to an IKE peer. At the moment,you can use service side ipsec in cedge. ASA IKEv2 Debugs for Remote Access VPN Troubleshooting - Cisco If it guesses wrong, the CREATE_CHILD_SA exchange fails, and it must retry with a different KEi. Cisco site-to-site VPN tunnel Failed to find a matching policy Refer toCisco Technical Tips Conventionsfor more information on document conventions. I followed the guide and created the IPSEC interface on the service side instead of VPN0, unfortunately I'm getting a IKEv2 failure: IKEv2:% Getting preshared key from profile keyring if-ipsec1-ikev2-keyringIKEv2:% Matched peer block 'if-ipsec1-ikev2-keyring-peer'IKEv2:(SESSION ID = 0,SA ID = 0):Searching Policy with fvrf 0, local address X.X.X.XIKEv2:(SESSION ID = 0,SA ID = 0):Found Policy 'policy1-global'IKEv2-ERROR:Address type 1622425149 not supported. The connection uses a custom IPsec/IKE policy with the UsePolicyBasedTrafficSelectors option, as described in this article.. Cisco recommends that you have knowledge of the packet exchange for IKEv2. : crypto ikev2 profile default . "You can create the IPsec tunnel in the transport VPN (VPN 0) and in any service VPN (VPN 1 through 65530, except for 512). They contain the source and destination address of the initiator and responder respectively for forwarding/receiving encrypted traffic. Router2 sends out the responder message to Router 1. Relevant Configuration:crypto ipsec transform-set TS esp-3des esp-sha-hmac crypto ipsec profile phse2-prof set transform-set TS set ikev2-profile IKEV2-SETUP, *Nov 11 19:30:34.831: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (I) MsgID = 00000000 CurState: I_BLD_AUTH Event:EV_GEN_AUTH *Nov 11 19:30:34.831: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (I) MsgID = 00000000 CurState: I_BLD_AUTH Event: EV_CHK_AUTH_TYPE *Nov 11 19:30:34.831: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (I) MsgID = 00000000 CurState: I_BLD_AUTH Event: EV_OK_AUTH_GEN *Nov 11 19:30:34.831: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (I) MsgID = 00000000 CurState: I_BLD_AUTH Event: EV_SEND_AUTH *Nov 11 19:30:34.831: IKEv2:Construct Vendor Specific Payload: CISCO-GRANITE *Nov 11 19:30:34.831: IKEv2:Construct Notify Payload: INITIAL_CONTACT *Nov 11 19:30:34.831: IKEv2:Construct Notify Payload: SET_WINDOW_SIZE *Nov 11 19:30:34.831: IKEv2:Construct Notify Payload: ESP_TFC_NO_SUPPORT *Nov 11 19:30:34.831: IKEv2:Construct Notify Payload: NON_FIRST_FRAGS Payload contents: VID Next payload: IDi, reserved: 0x0, length: 20 IDiNext payload: AUTH, reserved: 0x0, length: 12 Id type: IPv4 address, Reserved: 0x0 0x0 AUTHNext payload: CFG, reserved: 0x0, length: 28 Auth method PSK, reserved: 0x0, reserved 0x0 CFGNext payload: SA, reserved: 0x0, length: 309 cfg type: CFG_REQUEST, reserved: 0x0, reserved: 0x0, *Nov 11 19:30:34.831: SA Next payload:TSi, reserved: 0x0, length: 40 last proposal: 0x0, reserved: 0x0, length: 36 Proposal: 1, Protocol id: ESP, SPI size: 4, #trans: 3 last transform: 0x3, reserved: 0x0: length: 8 type: 1, reserved: 0x0, id: 3DES last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: SHA96 last transform: 0x0, reserved: 0x0: length: 8 type: 5, reserved: 0x0, id: Don't use ESN TSiNext payload: TSr, reserved: 0x0, length: 24 Num of TSs: 1, reserved 0x0, reserved 0x0 TS type: TS_IPV4_ADDR_RANGE, proto id: 0, length: 16 start port: 0, end port: 65535 start addr: 0.0.0.0, end addr: 255.255.255.255 TSrNext payload: NOTIFY, reserved: 0x0, length: 24 Num of TSs: 1, reserved 0x0, reserved 0x0 TS type: TS_IPV4_ADDR_RANGE, proto id: 0, length: 16 start port: 0, end port: 65535 start addr: 0.0.0.0, end addr: 255.255.255.255, NOTIFY(INITIAL_CONTACT) Next payload: NOTIFY, reserved: 0x0, length: 8 Security protocol id: IKE, spi size: 0, type: INITIAL_CONTACT NOTIFY(SET_WINDOW_SIZE) Next payload: NOTIFY, reserved: 0x0, length: 12 Security protocol id: IKE, spi size: 0, type: SET_WINDOW_SIZE NOTIFY(ESP_TFC_NO_SUPPORT) Next payload: NOTIFY, reserved: 0x0, length: 8 Security protocol id: IKE, spi size: 0, type: ESP_TFC_NO_SUPPORT NOTIFY(NON_FIRST_FRAGS) Next payload: NONE, reserved: 0x0, length: 8 Security protocol id: IKE, spi size: 0, type: NON_FIRST_FRAGS *Nov 11 19:30:34.832: IKEv2:(SA ID = 1):Next payload: ENCR, version: 2.0 Exchange type:IKE_AUTH, flags:INITIATORMessage id: 1, length: 556 Payload contents: ENCR Next payload: VID, reserved: 0x0, length: 528 *Nov 11 19:30:34.833: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (I) MsgID = 00000001CurState: I_WAIT_AUTHEvent: EV_NO_EVENT, *Nov 11 19:30:34.832: IKEv2:Got a packet from dispatcher *Nov 11 19:30:34.832: IKEv2:Processing an item off the pak queue *Nov 11 19:30:34.832: IKEv2:(SA ID = 1):Request has mess_id 1; expected 1 through 1 *Nov 11 19:30:34.832:IKEv2:(SA ID = 1):Next payload: ENCR, version: 2.0 Exchange type:IKE_AUTH, flags:INITIATORMessage id: 1, length: 556 Payload contents: *Nov 11 19:30:34.832: IKEv2:Parse Vendor Specific Payload: (CUSTOM) VID Next payload: IDi, reserved: 0x0, length: 20 IDiNext payload: AUTH, reserved: 0x0, length: 12 Id type: IPv4 address, Reserved: 0x0 0x0 AUTH Next payload: CFG, reserved: 0x0, length: 28 Auth method PSK, reserved: 0x0, reserved 0x0 CFG Next payload: SA, reserved: 0x0, length: 309 cfg type: CFG_REQUEST, reserved: 0x0, reserved: 0x0 *Nov 11 19:30:34.832: attrib type: internal IP4 DNS, length: 0 *Nov 11 19:30:34.832: attrib type: internal IP4 DNS, length: 0 *Nov 11 19:30:34.832: attrib type: internal IP4 NBNS, length: 0 *Nov 11 19:30:34.832: attrib type: internal IP4 NBNS, length: 0 *Nov 11 19:30:34.832: attrib type: internal IP4 subnet, length: 0 *Nov 11 19:30:34.832: attrib type: application version, length: 257 attrib type: Unknown - 28675, length: 0 *Nov 11 19:30:34.832: attrib type: Unknown - 28672, length: 0 *Nov 11 19:30:34.832: attrib type: Unknown - 28692, length: 0 *Nov 11 19:30:34.832: attrib type: Unknown - 28681, length: 0 *Nov 11 19:30:34.832: attrib type: Unknown - 28674, length: 0 *Nov 11 19:30:34.832:SANext payload: TSi, reserved: 0x0, length: 40 last proposal: 0x0, reserved: 0x0, length: 36 Proposal: 1, Protocol id: ESP, SPI size: 4, #trans: 3 last transform: 0x3, reserved: 0x0: length: 8 type: 1, reserved: 0x0, id: 3DES last transform: 0x3, reserved: 0x0: length: 8 type: 3, reserved: 0x0, id: SHA96 last transform: 0x0, reserved: 0x0: length: 8 type: 5, reserved: 0x0, id: Don't use ESN TSiNext payload: TSr, reserved: 0x0, length: 24 Num of TSs: 1, reserved 0x0, reserved 0x0 TS type: TS_IPV4_ADDR_RANGE, proto id: 0, length: 16 start port: 0, end port: 65535 start addr: 0.0.0.0, end addr: 255.255.255.255 TSr Next payload: NOTIFY, reserved: 0x0, length: 24 Num of TSs: 1, reserved 0x0, reserved 0x0 TS type: TS_IPV4_ADDR_RANGE, proto id: 0, length: 16 start port: 0, end port: 65535 start addr: 0.0.0.0, end addr: 255.255.255.255. 05:29 AM. Are you seeing encrypts and decrypts over your IPSEC tunnel? Hi, can you please post the config that solved your problem. For a branch office VPN that uses IKEv1, the Phase 1 exchange can use Main Mode or Aggressive Mode. Let me ask you something - what format do you enter user/domain information in the client? 189067: *Aug 8 14:01:22.433 Chicago: IKEv2:Config data recieved: 189068: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Config-type: Config-request, 189069: *Aug 8 14:01:22.433 Chicago: IKEv2:IKEv2 responder - unsupported attrib unknown in cfg-req, 189070: *Aug 8 14:01:22.433 Chicago: IKEv2:IKEv2 responder - unsupported attrib unknown in cfg-req, 189071: *Aug 8 14:01:22.433 Chicago: IKEv2:IKEv2 responder - unsupported attrib unknown in cfg-req, 189072: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Error in settig received config mode data, 189073: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Auth exchange failed, 189074: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):: Auth exchange failed, 189075: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Abort exchange, 189076: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Deleting SA, 189077: *Aug 8 14:01:25.429 Chicago: IKEv2:Couldn't find matching SA: Detected an invalid IKE SPI, 189078: *Aug 8 14:01:25.429 Chicago: IKEv2:(SESSION ID = 0,SA ID = 0):Received Packet [From 2.2.2.2:4500/To 1.1.1.1:4500/VRF i0:f0], 189079: *Aug 8 14:01:25.429 Chicago: IKEv2:: A supplied parameter is incorrect, 189080: *Aug 8 14:01:28.429 Chicago: IKEv2:Couldn't find matching SA: Detected an invalid IKE SPI, 189081: *Aug 8 14:01:28.429 Chicago: IKEv2:(SESSION ID = 0,SA ID = 0):Received Packet [From 2.2.2.2:4500/To 1.1.1.1:4500/VRF i0:f0], 189082: *Aug 8 14:01:28.429 Chicago: IKEv2:: A supplied parameter is incorrect, 189083: *Aug 8 14:01:31.433 Chicago: IKEv2:Couldn't find matching SA: Detected an invalid IKE SPI, 189084: *Aug 8 14:01:31.433 Chicago: IKEv2:(SESSION ID = 0,SA ID = 0):Received Packet [From 2.2.2.2:4500/To 1.1.1.1:4500/VRF i0:f0], 189085: *Aug 8 14:01:31.433 Chicago: IKEv2:: A supplied parameter is incorrect. We may get it in march release if everything will be on track. 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. Accepted Solutions. Router 2 builds the responder message for IKE_SA_INIT exchange, which is received by ASA1. IOS XE routers must source IPSEC interfaces from the Service side VPN (not VPN0), but also, it is necessary to add a inbound IPv4 ACL to the Interface in VPN0 to permit UDP 500 (IPSEC) and if using NAT UDP 4500 as well.After the tunnel is established you can add a IPv4 static route on the Service side with a next hop of the Tunnel interface to route traffic via the tunnel. Sample configuration: Cisco ASA device (IKEv2/no BGP) Finding Feature Information Prerequisites for Configuring Internet Key Exchange Version 2 Tunnel is up on the Responder. Customers Also Viewed These Support Documents, https://www.cisco.com/c/en/us/support/docs/security/flexvpn/115907-config-flexvpn-wcca-00.html. #proposal cisco. Thank You. IKEv2 allows the security association to remain unchanged despite changes in the underlying connection. Tunnel is up on the Initiator and the status shows. Transport side Ike based IPsec is not available in cedge. 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. Remote Type = 0. . Be aware the static route will only be withdrawn from the routing table if the Tunnel goes down. All traffic must be accepted and specific routing is needed to direct traffic into specific tunnels. *Nov 11 19:30:34.835: IKEv2:KMI message 12 consumed. I shared this with TAC too. 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. Router 1 initiates the CHILD_SA exchange. The CLI based workaround for it (on cEdge). 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. Template applied to Service VPN 1, Source interface from VPN 0 (Internet Interface with public IP to reach external Firewall via Internet). IPSEC profile: this is phase2, we will create the transform set in here. No action taken. Cisco Community Technology and Support Security VPN Remote Access IKEv2 Auth exchange failed 33016 5 2 Remote Access IKEv2 Auth exchange failed Go to solution mustafa.chapal Beginner 08-08-2018 01:52 PM - edited 03-12-2019 05:29 AM Hi, Doesn't work for me. description Cisco AnyConnect IKEv2 ip unnumbered GigabitEthernet0/0 tunnel mode ipsec ipv4 tunnel protection ipsec profile staff Take a break, you have now completed the main config on the router, and its time to move onto configuration relating to the client. Select the " Show Advanced Settings " option on the top left and make sure the enable box is checked. Communication over the IPSec Tunnel should be done via VPN1. The vulnerability is due to incorrect handling of crafted IKEv2 SA-Init packets. 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. In this document . Solved: IKEv2-ERROR:: Packet is a retransmission - Cisco This does present a bit of a problem for inteligent traffic steering. An attacker could exploit this vulnerability by sending crafted IKEv2 SA-Init . You can only use PSK when the client is another FlexVPN hardware (router) client or Strongswan. Palo Alto IP: 1.1.1.1 Cisco ASA IP: 2.2.2.2 Cisco ASA iKev2 and IPsec parameters: 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). It might be initiated by either end of the IKE_SA after the initial exchanges are completed. 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. These messages negotiate cryptographic algorithms, exchange nonces, and do a Diffie-Hellman exchange. The sample requires that ASA devices use the IKEv2 policy with access-list-based configurations, not VTI-based. If it guesses wrong, the CREATE_CHILD_SA exchange fails, and it will have to retry with a different KEi. Which Interface did you use? The difference between IKEv1 and IKEv2 is that, in the latter, the Child SAs are created as part of AUTH exchange itself. If your network is live, make sure that you understand the potential impact of any command. It's in roadmap. In my case even after adding the ACL entry there was another step which was needed to fix this tunnel. Do you had to apply some NAT config? Initiator receives response from Responder. Router 1 then inserts this SA into its SAD. 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). IPSEC interface not available from VPN0 - Cisco Consult your VPN device vendor specifications to verify that .
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