Same here. You wrote "had to change source interface to Service VPN". 08-08-2018 The CHILD_SA packet typically contains: Router 2 now builds the reply for the CHILD_SA exchange. I had the same Firebox and RADIUS server working for IPSec MUVPN, but not for IKEv2. 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. Customers Also Viewed These Support Documents, https://www.cisco.com/c/en/us/support/docs/security/flexvpn/115907-config-flexvpn-wcca-00.html. These parameters are identical to the one that was received from ASA1. 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 address range specifies that all traffic to and from that range are tunnelled. If the SA offers include different DH groups, KEi must be an element of the group the initiator expects the responder to accept. Initiates SA creation, *Nov 11 19:30:34.811: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=0000000000000000 (I) MsgID = 00000000 CurState: IDLE Event: EV_INIT_SA. No action taken. 189035: *Aug 8 14:01:22.161 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):IKE Proposal: 1, SPI size: 0 (initial negotiation), AES-CBC SHA256 SHA256 DH_GROUP_2048_MODP/Group 14, 189036: *Aug 8 14:01:22.161 Chicago: IKEv2:(SA ID = 1):[IKEv2 -> PKI] Retrieve configured trustpoint(s), 189037: *Aug 8 14:01:22.161 Chicago: IKEv2:(SA ID = 1):[PKI -> IKEv2] Retrieved trustpoint(s): 'TP-self-signed-653483565', 189038: *Aug 8 14:01:22.161 Chicago: IKEv2:(SA ID = 1):[IKEv2 -> PKI] Get Public Key Hashes of trustpoints, 189039: *Aug 8 14:01:22.161 Chicago: IKEv2:(SA ID = 1):[PKI -> IKEv2] Getting of Public Key Hashes of trustpoints FAILED, 189040: *Aug 8 14:01:22.161 Chicago: IKEv2:Failed to retrieve Certificate Issuer list, 189041: *Aug 8 14:01:22.161 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Sending Packet [To 2.2.2.2:500/From 1.1.1.1:500/VRF i0:f0], Initiator SPI : 8A15E970577C6140 - Responder SPI : 0550071FA9DFE718 Message id: 0, SA KE N VID VID NOTIFY(NAT_DETECTION_SOURCE_IP) NOTIFY(NAT_DETECTION_DESTINATION_IP), 189042: *Aug 8 14:01:22.161 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Completed SA init exchange, 189043: *Aug 8 14:01:22.161 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Starting timer (30 sec) to wait for auth message, 189044: *Aug 8 14:01:22.429 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Received Packet [From 2.2.2.2:4500/To 1.1.1.1:500/VRF i0:f0], Initiator SPI : 8A15E970577C6140 - Responder SPI : 0550071FA9DFE718 Message id: 1, IDi NOTIFY(INITIAL_CONTACT) NOTIFY(Unknown - 16396) IDr AUTH CFG NOTIFY(ESP_TFC_NO_SUPPORT) NOTIFY(NON_FIRST_FRAGS) SA TSi TSr, 189045: *Aug 8 14:01:22.429 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Stopping timer to wait for auth message, 189046: *Aug 8 14:01:22.429 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Checking NAT discovery, 189047: *Aug 8 14:01:22.429 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):NAT OUTSIDE found, 189048: *Aug 8 14:01:22.429 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):NAT detected float to init port 4500, resp port 4500, 189049: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Searching policy based on peer's identity '10.5.1.70' of type 'IPv4 address', 189050: *Aug 8 14:01:22.433 Chicago: IKEv2:found matching IKEv2 profile 'FlexVPN', 189051: *Aug 8 14:01:22.433 Chicago: IKEv2:% Getting preshared key from profile keyring keys, 189052: *Aug 8 14:01:22.433 Chicago: IKEv2:% Matched peer block 'DYNAMIC', 189053: *Aug 8 14:01:22.433 Chicago: IKEv2:Searching Policy with fvrf 0, local address 1.1.1.1, 189054: *Aug 8 14:01:22.433 Chicago: IKEv2:Found Policy 'ikev2policy', 189055: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Verify peer's policy, 189056: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Peer's policy verified, 189057: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Get peer's authentication method, 189058: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Peer's authentication method is 'PSK', 189059: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Get peer's preshared key for 10.5.1.70, 189060: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Verify peer's authentication data, 189061: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Use preshared key for id 10.5.1.70, key len 7, 189062: *Aug 8 14:01:22.433 Chicago: IKEv2:[IKEv2 -> Crypto Engine] Generate IKEv2 authentication data, 189063: *Aug 8 14:01:22.433 Chicago: IKEv2:[Crypto Engine -> IKEv2] IKEv2 authentication data generation PASSED, 189064: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Verification of peer's authenctication data PASSED, 189065: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Processing INITIAL_CONTACT, 189066: *Aug 8 14:01:22.433 Chicago: IKEv2:(SESSION ID = 8673,SA ID = 1):Received valid config mode data. 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. Same in every possible way. ", https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/Security/Security-Book/security-book_chapter_01.html?bookSearch=true#c_Configuring_IKE_Enabled_IPsec_Tunnels_12216.xml. I have a similar problem with an IPSec Tunnel to an external Firewall. Which Interface did you use? *Nov 11 19:30:34.841: IKEv2:Adding ident handle 0x80000002 associated with SPI 0x9506D414 for session 8 *Nov 11 19:30:34.841: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (I) MsgID = 00000001 CurState: AUTH_DONE Event: EV_OK_RECD_LOAD_IPSEC *Nov 11 19:30:34.841: IKEv2:(SA ID = 1):Action: Action_Null *Nov 11 19:30:34.841: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (I) MsgID = 00000001 CurState: AUTH_DONE Event: EV_START_ACCT *Nov 11 19:30:34.841: IKEv2:(SA ID = 1):Accounting not required *Nov 11 19:30:34.841: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (I) MsgID = 00000001 CurState: AUTH_DONE Event: EV_CHECK_DUPE *Nov 11 19:30:34.841: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (I) MsgID = 00000001 CurState:AUTH_DONEEvent: EV_CHK4_ROLE, *Nov 11 19:30:34.841: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (I) MsgID = 00000001 CurState:READYEvent: EV_CHK_IKE_ONLY *Nov 11 19:30:34.841: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (I) MsgID = 00000001 CurState: READY Event: EV_I_OK, *Nov 11 19:30:34.840: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000001 CurState:READYEvent: EV_R_OK *Nov 11 19:30:34.840: IKEv2:(SA ID = 1):SM Trace-> SA: I_SPI=F074D8BBD5A59F0B R_SPI=F94020DD8CB4B9C4 (R) MsgID = 00000001 CurState: READY Event: EV_NO_EVENT. The vulnerability is due to incorrect handling of crafted IKEv2 SA-Init packets. This is reposted from the Networking Academy area since there were no replies. Thank You. Router1 verifies and processes the response: (1) The initiator DH secret key is computed, and (2) the initiator skeyid is also generated. I opened an SR with TAC for the exact same reason. I've tried domain\user, [email protected] and just plain user. This module describes the Internet Key Exchange Version 2 (IKEv2) protocol. 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. The first CHILD_SA is created for the proxy_ID pair that matches the trigger packet. If it guesses wrong, the CREATE_CHILD_SA exchange fails, and it must retry with a different KEi. Components Used The information in this document is based on these software and hardware versions: Internet Key Exchange Version 2 (IKEv2) Can you also post the config for the VPN template. New here? Thanks again for this article. Windows or MAC (native or AC) client can only use Certificates or EAP. It might be initiated by either end of the IKE_SA after the initial exchanges are completed. Responder initiates SA creation for that peer. Has anyone ever created an exception list to bypass zscaler in certain situations and go out the DIA door instead? You can use IKEv2 as a virtual private network (VPN) tunneling protocol that supports automatic VPN reconnection. #pre-shared-key cisco1234. Responder verifies and processes the IKE_INIT message: (1) Chooses crypto suite from those offered by the initiator, (2) computes its own DH secret key, and (3) it computes a skeyid value, from which all keys can be derived for this IKE_SA. Can you point specifically on the vManage how we can do that? IPSEC profile: this is phase2, we will create the transform set in here. Looks like its working after I added the ACL to the outside interface. Hi, can you please post the config that solved your problem. It's in roadmap. I think i have the problem with the Source Interface (i receive"IKEv2-ERROR:Address type not supported" in log). The link you shared is for a vEdge setup, the one I've found is for cEdge 16.12.x. If this CREATE_CHILD_SA exchange is not rekeying an existing SA, the N payload MUST be omitted. This document describes Internet Key Exchange version 2 (IKEv2) debugs on Cisco IOS when a pre-shared key (PSK) is used. Let me ask you something - what format do you enter user/domain information in the client? This exchange consists of a single request/response pair and was referred to as a phase 2 exchange in IKEv1. The problem is that a 'VPN Interface IPSEC' is not available: https://www.zscaler.com/resources/solution-briefs/partner-viptela-cisco-sd-wan-deployment.pdf. In this document . 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. In addition, this document provides information on how to translate certain debug lines in a configuration. 05-18-2021 12:04 PM. Router 2 receives and verifies the authentication data received from Router 1. I shared this with TAC too. The connection uses a custom IPsec/IKE policy with the UsePolicyBasedTrafficSelectors option, as described in this article.. E.g. IKEv2 Payload Types Transform Type Values IKEv2 Transform Attribute Types Transform Type 1 - Encryption Algorithm Transform IDs Transform Type 2 - Pseudorandom Function Transform IDs Transform Type 3 - Integrity Algorithm Transform IDs Transform Type 4 - Key Exchange Method Transform IDs Transform Type 5 - Extended Sequence Numbers Transform IDs At the moment,you can use service side ipsec in cedge. This is the CREATE_CHILD_SA request. This mode is more secure, and uses three . 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. For more information on the differences and an explanation of the packet exchange, refer toIKEv2 Packet Exchange and Protocol Level Debugging. this is due to 4.9 a lot of hash/cryptography where removed! Thanks. All rights reserved. Help would really be appreciated. Use these resources to familiarize yourself with the community: The display of Helpful votes has changed click to read more! 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. Has anyone been able to do this on a ISR4k? Update: This was a version error, using wrong version of anyconnect, this has now been resolved. Router 2 builds the responder message for IKE_SA_INIT exchange, which is received by ASA1. If the proposal is acceptable to the responder, it sends identical TS payloads back. New here? Learn more about how Cisco is using Inclusive Language. Local Address = 0.0.0.0. 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).