The value of tmnxMcPathBwPlcyPathLimit overrides the default path limit
for each of the three ingress multicast paths into the switch fabric.
The default value of tmnxMcPathBwPlcyPathLimit is the default value of
path limit for the primary path. The default value of
tmnxMcPathBwPlcyPathLimit for the secondary and ancillary path is 1500
and 5000 respectively.