The value of vRtrMplsTpTunnelIdMax specifies the end
range of tunnel ids reserved for MPLS-TP LSPs.
This variable must be set along with vRtrMplsTpTunnelIdMin
to indicate the range of tunnel ids reserved for MPLS-TP LSPs.
A value of 0 indicates that tunnel ids are not reserved for
MPLS-TP LSPs.