The following diagram represents the tunnel between two Neutron routers that are constructed from the IPSec site connections created in the previous section:
Neutron automatically generates an
ipsec.conf VPN configuration file according to the settings defined by the user. The configuration files can be found on the network node in the
/var/lib/neutron/ipsec/<router_id>/etc/ directory that corresponds to the individual Neutron router. In this demonstration, the controller node is also the network node.
The following configuration files correspond to the
WEST routers, respectively:
# Configuration for EastRouterVPNService ...