Slot number. h3cTunnelInetConfigSlot, h3cTunnelInetConfigSubSlot
and h3cTunnelInetConfigTunnNum descirbe a tunnel interface.
For Example, interface tunnel 0/0/25 would be configured as:
h3cTunnelInetConfigSlot 0
h3cTunnelInetConfigSubSlot 0
h3cTunnelInetConfigTunnNum 25