VPN tunnel between Fortigate and Corente Services Gateway fails in phase1 (IKE)

(Doc ID 2308440.1)

Last updated on SEPTEMBER 25, 2017

Applies to:

Corente Cloud Services Exchange - Version 9.4 and later
Information in this document applies to any platform.

Symptoms

1) An alert similar to this will be available in appNet Manager (ANM):
The secure tunnel between [CSG] and [FortiGate] is DOWN (IPsec Phase1 ISAKMP SA Failed).
2) This condition could become available on a previously working connection with no alteration to either end of the tunnel.

Cause

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