The value of tmnxMcPathBwPlcyT2PathCbs specifies committed buffer
size(CBS). The value of tmnxMcPathBwPlcyT2PathCbs overrides the default
CBS for each individual path's queue. The default value of
tmnxMcPathBwPlcyT2PathCbs is the default value of primary path's queue.
The default value of tmnxMcPathBwPlcyT2PathCbs for the secondary path
is 3000.