This table lists the RP Set sent by the Elected BSR in the
Bootstrap Messages(BSM) or the RP Set sent by the Mapping Agent
in case of Auto-RP. It also contains the static entries in
vRtrPimNgStGrptoRPTable. The router uses this table to calculate
the group-to-RP mappings.
This table was obsoleted in release 7.0. It is replaced with the
vRtrPimNgRPSetInetTable to support ipv6 address.