The value of vRtrVprnType specifies how traffic is routed.
regular (1) - All traffic is routed to all
destinations.
hub (2) - Network traffic is routed only to
the access side. Access traffic is
routed to all destinations.
spoke (3) - Networks traffic is routed to all
destinations. Access traffic is
routed only to the network side.
subscriberSplitHorizon (4) - Subscriber-interface traffic is
routed only to the network side.
All other traffic is routed to
all destinations.
This object cannot be modified if vRtrType is not 'vprn'.