Last updated on DECEMBER 13, 2016
Applies to:Corente Cloud Services Exchange - Version 9.4 and later
Information in this document applies to any platform.
The VPN configuration is CSG with GRE tunnel and has set a partner with a Juniper SRX240H2 (JunOS12). It works well when there are 2 subnets (10.0.0.0/16, 10.1.0.0/16) set on the 3rd-party VPN device in App Network Manager. No packet lost for Oracle Compute Cloud instances to ping customer's on-premise devices through CSG e.g. 10.0.x.x/16.
But when adding any one or more subnets to the 3rd-party VPN device in App Network Manager (e.g. 10.0.0.0/16, 10.1.0.0/16 and 10.3.0.0/16, save and then start). The same ping to 10.0.x.x/16 starts loss packet to up to 80%. The issue is not related to any x of 10.x.0.0/16 subnet added (we tried every x in 0 to 12). Anytime when the quantity of subnet set down back to 2 (no matter what the 2 subnet are), the packet loss stopped (no matter what IP pinged).
Another symptom is that the SAs are being instructed to tear down on the CSG every 5 seconds in /var/log/secure.
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