Hi, I keep having issues with my IPSec sts VPN. Always have a No proposal chosen message on the Phase 2 proposal. And then P2 proposal fails due to timeout. I read that it could be IPSec crypto settings or proxy ID that don't match. Proxy IDs are OK because when I put non-existing network, I don't
If you have an “NO PROPOSAL CHOSEN” error, check that the “Phase 2” encryption algorithms are the same on each side of the VPN Tunnel. Check “Phase 1” algorithms if you have this: 115911 Default (SA CNXVPN1-P1) SEND phase 1 Main Mode [SA][VID] 115911 Default RECV Informational [NOTIFY] with NO_PROPOSAL_CHOSEN error Select the New Phase 2 Proposal icon adjacent to the Proposal drop-down list. In the Phase 2 Proposal dialog box, below Force Key Expiration, you can select to force keys to expire and renegotiate based on time or amount of data passing through the VPN tunnel. Change the value 128,000 Kilobytes to 8192 Kilobytes. With this new value, a new key Aug 06, 2019 · In this case, the initiator receives a message that the responder could not find a suitable proposal (“received NO_PROPOSAL_CHOSEN”), and from the responder logs it is obvious this was due to the sites being set for different encryption types, AES 128 on one side and AES 256 on the other. 2. There is a comms error, check there’s no router with firewall capabilities in the link. 3. I’ve seen this on a VPN from a VMware Edge Gateway, that had PFS (perfect forward secrecy) enabled, and the ASA did not. Also see: Cisco ASA VPN to Cisco Router “MM_WAIT_MSG3” MM_WAIT_MSG5. Make sure the Pre-Shared Keys Match When connecting as a Meraki Client VPN, it only supports protocols that have been removed from the Strongswan default protocol negotiation list (because the SWEET32 birthday attack is possible against some of these protocols) so you have to specify them explicitly (as you have).
It this particular scenario there was no routing issues and ISAKMP was enabled on the outside so at this point you need to start with basics. That being said with NO_PROPOSAL_CHOSEN it might mean we have a mismatch somewhere on phase 1 of our VPN tunnel. Verifying your policy proposals for IKEv1 and matching it with your peer is your next step.
No Proposal Chosen / IPSec with USG 40W. picture 1 - local setup: picture 2 - IKE log: Picture 3 VPN gateway: #3 local network to vpn connection next hop tunnel vpn connection It this particular scenario there was no routing issues and ISAKMP was enabled on the outside so at this point you need to start with basics. That being said with NO_PROPOSAL_CHOSEN it might mean we have a mismatch somewhere on phase 1 of our VPN tunnel. Verifying your policy proposals for IKEv1 and matching it with your peer is your next step. 02/28/06 14:36 iked[129]: Received NO_PROPOSAL_CHOSEN message, mess_id=0xE80A9A98 For my VPN configuration via my firewall, I have the local network setup as 199 Often, IPSec VPN Phase-1 fails to come up, even when all the proposals are the same on both sides of the tunnel. Even the tunnel gateways are reachable. On configuring ike traceoptions by using the following command:
May 23, 2016 · "No Proposal Chosen' message. Check VPN IKE diagnostic log messages on the remote gateway endpoint for more information." However, when I check the Vyatta's logs, I get the following: "May 23 08:39:41 teefw01 pluto[6464]: "peer-104.xxx.xxx.xxx-tunnel-1" #302: sending notification NO_PROPOSAL_CHOSEN to 104.xxx.xxx.xxx:500
Jul 1 12:22:47 fwba01 kmd[2550]: KMD_VPN_PV_PHASE1: IKE Phase-1 Failure: No proposal chosen [spi=(null), src_ip=80.94.48.251, dst_ip=81.161.60.203] Jul 1 12:22:47 fwba01 kmd[2550]: IKE negotiation failed with error: No proposal chosen. If there are any other IPSec VPN clients running on the computer, quit them all and restart the Zyxel IPSec VPN Client. Contact tech support @ 800-255-4101 option 5. Available Monday-Friday from 8AM-5PM PT. Submit a support request form here. No proposal chosen Phase 1 Algorithms mismatch 3. msg: notification NO-PROPOSAL-CHOSEN received in informational exchange (repeats 5 times) Cycle repeats for 5-20 minutes, then tunnel establishes p2 again just fine. I've confirmed that both phase 1 and phase 2 match on each end. Coworkers looked too! But we're still getting this behavior. Current settings: p1: 3DES/SHA1/DH2/Lifetime 28800