Indicates the VLAN-based bind-route-nd function.
Options:
1. enable(1) -indicates that the bind-route-nd function is enabled.
2. disable(2) -indicates that the bind-route-nd function is disabled.
This leaf is optional for creating a VLAN service profile.
The bind-route-nd function in the global mode can be set in
hwIpDslamIpv6BindRouteAndNdSwitch of HUAWEI-IPDSLAM-SECURITY-MIB.
The final status of the bind-route-nd function is determined by its
global-level switch and VLAN-level switch. The bind-route-nd function
of a VLAN is enabled only when the switches at both levels are enabled.