This release does not require that you have
a symmetric network path for the traffic returning from the data
center or headquarters location by way of a service connection.
By default, existing deployments require symmetric network paths.
This release allows you to specify Backbone Routing options
to disable symmetric routing if you have sites with multiple service
connections. If you enable these capabilities in your deployment,
you should determine the impact of any service connection routing
changes before you enable asymmetric routing.