The value of tBgpPeerNgAdvertiseLdpPrefix specifies whether all the
activated LDP FEC prefixes will be sent to remote BGP peer to suppport
stitching of an LDP FEC to a BGP labeled route.
When the value is set to 'true', activated LDP FEC prefixes will be
sent to remote BGP peer. When the value is set to 'false', activated
LDP FEC prefixes will not be sent to remote BGP peer.
An 'inconsistentValue' error is returned if this object is set to
non-default value when tBgpPeerNgAdvLabelAddrFamily is set to 'none'.