Coordinates routerIndex and usdRouterVrfIndex value allocation for
entries in the usdRouterTable and usdRouterVrfTable, respectively.
A GET of this object returns the next available routerIndex value to be
used to create an entry in the associated router table; or zero, if no
valid routerIndex value is available. This object also returns a value
of zero when it is the lexicographic successor of a varbind presented in
an SNMP GETNEXT or GETBULK request, for which circumstance it is assumed
that routerIndex allocation is unintended.
Successive GETs will typically return different values, thus avoiding
collisions among cooperating management clients seeking to create table
entries simultaneously.