=item cust_svc
Returns the cust_svc associated with this router, if any. This should be
the service that I<provides connectivity to the router>, not any service
connected I<through> the router.
=item cust_svc
Returns the cust_svc associated with this router, if any. This should be
the service that I<provides connectivity to the router>, not any service
connected I<through> the router.