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Wednesday, May 25, 2016

Troubleshooting kmd: IKE negotiation failed with error: No proposal chosen.

Summary (Message): 

> show log kmd-logs | match x.x.x.x
where x.x.x.x is the remote ike gateway IP address

kmd[1624]: IKE negotiation failed with error: No proposal chosen.

Problem or Goal:

Phase 2 of my IPsec tunnel was "DOWN", Phase 1 was "UP", tunnel interface was admin "UP" but protocol "DOWN"

Cause (Meaning):

The Junos device did not accept any of the IKE Phase 2 proposals that the specified IKE peer sent.

Solution (Action):

Verify the local Phase 2 VPN configuration elements.
The Phase 2 proposal elements include the following:


  • Authentication algorithm
  • Encryption algorithm
  • Lifetime kilobytes
  • Lifetime seconds
  • Protocol
  • Perfect Forward Secrecy


Either change the local configuration to accept at least one of the remote peer’s Phase 2 proposals, or contact the remote peer’s admin and arrange for the IKE configurations at both ends of the tunnel to use at least one mutually acceptable Phase 2 proposal.

References:

  1. How to analyze IKE Phase 2 VPN status messages


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