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From "Will Stevens (JIRA)" <>
Subject [jira] [Commented] (CLOUDSTACK-10010) Some S2S VPN configurations fail to establish a connection
Date Thu, 20 Jul 2017 19:48:00 GMT


Will Stevens commented on CLOUDSTACK-10010:

Work in progress of a fix for this is here:

> Some S2S VPN configurations fail to establish a connection
> ----------------------------------------------------------
>                 Key: CLOUDSTACK-10010
>                 URL:
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Virtual Router
>    Affects Versions:
>            Reporter: Will Stevens
> I am not sure if a regression was introduced with this PR #2062, but we have found issues
with this configuration now that we have it in production.
> The core of this change is to change the S2S VPN config from {{auto=start}} to {{auto=route}}.
Read more about this setting here:
> We found there to be issues when using {{auto=start}} for both sides of the connection
as there was problem negotiating the connection. Instead the {{auto=route}} config will only
establish a connection once there is an attempt to send traffic over the connection. In order
to attempt to open the connection as soon as the VPN connection is configured, a ping to the
other side of the connection has been added to establish the connection.

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