When a service name is applied to any service context, the name and service ID association is registered with the system. A service name cannot be assigned to more than one service ID.
Special consideration is provided to a service name that is assigned to a VPLS service that has the configure service vpls allow-ip-int-bind command enabled. If a name is applied to the VPLS service while the flag is set, the system scans the existing IES and VPRN services for an IP interface that is bound to the specified service name. If an IP interface is found, the IP interface is attached to the VPLS service associated with the name. Only one interface can be bound to the specified name.
If the allow-ip-int-bind command is not enabled on the VPLS service, the system does not attempt to resolve the VPLS service name to an IP interface. The corresponding IP interface is bound and becomes operational up as soon as the allow-ip-int-bind flag is configured on the VPLS. There is no need to toggle the shutdown/no shutdown command.
If an IP interface is not currently bound to the service name used by the VPLS service, no action is taken at the time of the service name assignment.